980,728
980,728 is a composite number, even.
980,728 (nine hundred eighty thousand seven hundred twenty-eight) is an even 6-digit number. It is a composite number with 32 divisors, and factors as 2³ × 7 × 83 × 211. Its proper divisors sum to 1,156,232, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0xEF6F8.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 34
- Digit product
- 0
- Digital root
- 7
- Palindrome
- No
- Bit width
- 20 bits
- Reversed
- 827,089
- Square (n²)
- 961,827,409,984
- Cube (n³)
- 943,291,072,138,788,352
- Divisor count
- 32
- σ(n) — sum of divisors
- 2,136,960
- φ(n) — Euler's totient
- 413,280
- Sum of prime factors
- 307
Primality
Prime factorization: 2 3 × 7 × 83 × 211
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√980,728 = [990; (3, 6, 1, 1, 11, 1, 11, 1, 1, 6, 3, 1980)]
Period length 12 — the block in parentheses repeats forever.
Representations
- In words
- nine hundred eighty thousand seven hundred twenty-eight
- Ordinal
- 980728th
- Binary
- 11101111011011111000
- Octal
- 3573370
- Hexadecimal
- 0xEF6F8
- Base64
- Dvb4
- One's complement
- 4,293,986,567 (32-bit)
- Scientific notation
- 9.80728 × 10⁵
- As a duration
- 980,728 s = 11 days, 8 hours, 25 minutes, 28 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓆐𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓂍𓍢𓍢𓍢𓍢𓍢𓍢𓍢𓎆𓎆𓏺𓏺𓏺𓏺𓏺𓏺𓏺𓏺
- Greek (Milesian)
- ͵ϡπψκηʹ
- Chinese
- 九十八萬零七百二十八
- Chinese (financial)
- 玖拾捌萬零柒佰貳拾捌
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 980728, here are decompositions:
- 11 + 980717 = 980728
- 17 + 980711 = 980728
- 41 + 980687 = 980728
- 107 + 980621 = 980728
- 137 + 980591 = 980728
- 149 + 980579 = 980728
- 179 + 980549 = 980728
- 239 + 980489 = 980728
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.14.246.248.
- Address
- 0.14.246.248
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.14.246.248
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 980,728 and was likely granted around 1910.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
The digit sequence 980728 first appears in π at position 824,800 of the decimal expansion (the 824,800ordinal-suffix:th digit after the integer 3).
Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.