15997514680

Names of 15997514680

• Cardinal: 15997514680 can be written as Fifteen billion, nine hundred ninety-seven million, five hundred fourteen thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.599751468 × 10¹⁰

Factors of 15997514680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 37132

Divisors of 15997514680

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1609 3218 6436 8045 11263 12872 16090 22526 32180 35509 45052 56315 64360 71018 90104 112630 142036 177545 225260 248563 284072 355090 450520 497126 710180 994252 1242815 1420360 1988504 2485630 4971260 9942520 57133981 114267962 228535924 285669905 399937867 457071848 571339810 799875734 1142679620 1599751468 1999689335 2285359240 3199502936 3999378670 7998757340 15997514680
• Sum of all divisors σ(n): 41163192000
• Sum of proper divisors (its aliquot sum) s(n): 25165677320
• 15997514680 is an abundant number, because the sum of its proper divisors (25165677320) is greater than itself. Its abundance is 9168162640

Bases of 15997514680

• Binary: 1110111001100001101011001110111000₂
• Hexadecimal: 0x3B986B3B8
• Base-36: 7CKI9BS

Squares and roots of 15997514680

• 15997514680 squared (15997514680²) is 255920475936815502400
• 15997514680 cubed (15997514680³) is 4094091570711792752095575232000
• The square root of 15997514680 is 126481.2819353125
• The cube root of 15997514680 is 2519.7116219093

Scales and comparisons

• 15,997,514,680 seconds is equal to 508 years, 34 weeks, 6 days, 10 hours, 4 minutes, 40 seconds.
• To count from 1 to 15,997,514,680 would take you about one thousand and seventeen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 15997514680 cubic inches would be around 210 feet tall.

Recreational maths with 15997514680

• 15997514680 backwards is 08641579951
• The number of decimal digits it has is: 11
• The sum of 15997514680's digits is 55
• More coming soon!