16391913912

Names of 16391913912

• Cardinal: 16391913912 can be written as Sixteen billion, three hundred ninety-one million, nine hundred thirteen thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.6391913912 × 10¹⁰

Factors of 16391913912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 232654

Divisors of 16391913912

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 89 99 132 178 198 264 267 356 396 534 712 792 801 979 1068 1602 1958 2136 2937 3204 3916 5874 6408 7832 8811 11748 17622 23496 35244 70488 232549 465098 697647 930196 1395294 1860392 2092941 2558039 2790588 4185882 5116078 5581176 7674117 8371764 10232156 15348234 16743528 20464312 20696861 23022351 30696468 41393722 46044702 61392936 62090583 82787444 92089404 124181166 165574888 184178808 186271749 227665471 248362332 372543498 455330942 496724664 682996413 745086996 910661884 1365992826 1490173992 1821323768 2048989239 2731985652 4097978478 5463971304 8195956956 16391913912
• Sum of all divisors σ(n): 48975030000
• Sum of proper divisors (its aliquot sum) s(n): 32583116088
• 16391913912 is an abundant number, because the sum of its proper divisors (32583116088) is greater than itself. Its abundance is 16191202176

Bases of 16391913912

• Binary: 1111010001000010001100000110111000₂
• Hexadecimal: 0x3D108C1B8
• Base-36: 7J3BLQ0

Squares and roots of 16391913912

• 16391913912 squared (16391913912²) is 268694841698419143744
• 16391913912 cubed (16391913912³) is 4404422713718954470744401366528
• The square root of 16391913912 is 128030.9099866123
• The cube root of 16391913912 is 2540.2505545715

Scales and comparisons

• 16,391,913,912 seconds is equal to 521 years, 11 weeks, 5 hours, 25 minutes, 12 seconds.
• To count from 1 to 16,391,913,912 would take you about one thousand and forty-two 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 16391913912 cubic inches would be around 211.7 feet tall.

Recreational maths with 16391913912

• 16391913912 backwards is 21931919361
• The number of decimal digits it has is: 11
• The sum of 16391913912's digits is 45
• More coming soon!