13881978432

Names of 13881978432

• Cardinal: 13881978432 can be written as Thirteen billion, eight hundred eighty-one million, nine hundred seventy-eight thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.3881978432 × 10¹⁰

Factors of 13881978432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 163

Divisors of 13881978432

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 151 168 192 224 252 288 302 336 448 453 504 576 604 672 906 1008 1057 1208 1344 1359 1812 2016 2114 2416 2718 3171 3624 4032 4228 4832 5436 6342 7248 8456 9513 9664 10872 12684 14496 16912 19026 21744 22801 25368 28992 33824 38052 43488 45602 50736 67648 68403 76104 86976 91204 101472 136806 152208 159607 182408 202944 205209 273612 304416 319214 364816 410418 478821 547224 608832 638428 729632 820836 957642 1094448 1276856 1436463 1459264 1641672 1915284 2188896 2553712 2872926 3283344 3442951 3830568 4377792 5107424 5745852 6566688 6885902 7661136 10214848 10328853 11491704 13133376 13771804 15322272 20657706 22983408 24100657 27543608 30644544 30986559 41315412 45966816 48201314 55087216 61973118 72301971 82630824 91933632 96402628 110174432 123946236 144603942 165261648 192805256 216905913 220348864 247892472 289207884 330523296 385610512 433811826 495784944 578415768 661046592 771221024 867623652 991569888 1156831536 1542442048 1735247304 1983139776 2313663072 3470494608 4627326144 6940989216 13881978432
• Sum of all divisors σ(n): 45777660032
• Sum of proper divisors (its aliquot sum) s(n): 31895681600
• 13881978432 is an abundant number, because the sum of its proper divisors (31895681600) is greater than itself. Its abundance is 18013703168

Bases of 13881978432

• Binary: 1100111011011011100010111001000000₂
• Hexadecimal: 0x33B6E2E40
• Base-36: 6DKYZ40

Squares and roots of 13881978432

• 13881978432 squared (13881978432²) is 192709325186513178624
• 13881978432 cubed (13881978432³) is 2675186695884450322942131437568
• The square root of 13881978432 is 117821.8079644003
• The cube root of 13881978432 is 2403.3505535695

Scales and comparisons

• 13,881,978,432 seconds is equal to 441 years, 21 weeks, 1 hour, 7 minutes, 12 seconds.
• To count from 1 to 13,881,978,432 would take you about eight hundred eighty-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 13881978432 cubic inches would be around 200.3 feet tall.

Recreational maths with 13881978432

• 13881978432 backwards is 23487918831
• The number of decimal digits it has is: 11
• The sum of 13881978432's digits is 54
• More coming soon!