13187102720

Names of 13187102720

• Cardinal: 13187102720 can be written as Thirteen billion, one hundred eighty-seven million, one hundred two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.318710272 × 10¹⁰

Factors of 13187102720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 414

Divisors of 13187102720

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 44 55 58 64 80 88 110 116 121 128 145 160 176 220 232 242 256 290 319 320 352 367 440 464 484 512 580 605 638 640 704 734 880 928 968 1024 1160 1210 1276 1280 1408 1468 1595 1760 1835 1856 1936 2048 2320 2420 2552 2560 2816 2936 3190 3509 3520 3670 3712 3872 4037 4640 4840 5104 5120 5632 5872 6380 7018 7040 7340 7424 7744 8074 9280 9680 10208 10240 10643 11264 11744 12760 14036 14080 14680 14848 15488 16148 17545 18560 19360 20185 20416 21286 22528 23488 25520 28072 28160 29360 29696 30976 32296 35090 37120 38720 40370 40832 42572 44407 46976 51040 53215 56144 56320 58720 59392 61952 64592 70180 74240 77440 80740 81664 85144 88814 93952 102080 106430 112288 112640 117073 117440 123904 129184 140360 148480 154880 161480 163328 170288 177628 187904 204160 212860 222035 224576 234146 234880 247808 258368 280720 296960 309760 322960 326656 340576 355256 375808 408320 425720 444070 449152 468292 469760 516736 561440 585365 619520 645920 653312 681152 710512 751616 816640 851440 888140 898304 936584 939520 1033472 1122880 1170730 1239040 1287803 1291840 1362304 1421024 1633280 1702880 1776280 1796608 1873168 1879040 2066944 2245760 2341460 2575606 2583680 2724608 2842048 3266560 3405760 3552560 3593216 3746336 3758080 4133888 4491520 4682920 5151212 5167360 5449216 5684096 6439015 6811520 7105120 7186432 7492672 8267776 8983040 9365840 10302424 10334720 10898432 11368192 12878030 13623040 14210240 14985344 17966080 18731680 20604848 20669440 21796864 22736384 25756060 27246080 28420480 29970688 35932160 37463360 41209696 41338880 45472768 51512120 54492160 56840960 59941376 74926720 82419392 90945536 103024240 108984320 113681920 119882752 149853440 164838784 206048480 227363840 239765504 299706880 329677568 412096960 454727680 599413760 659355136 824193920 1198827520 1318710272 1648387840 2637420544 3296775680 6593551360 13187102720
• Sum of all divisors σ(n): 36076622400
• Sum of proper divisors (its aliquot sum) s(n): 22889519680
• 13187102720 is an abundant number, because the sum of its proper divisors (22889519680) is greater than itself. Its abundance is 9702416960

Bases of 13187102720

• Binary: 1100010010000000110011100000000000₂
• Hexadecimal: 0x312033800
• Base-36: 6239DKW

Squares and roots of 13187102720

• 13187102720 squared (13187102720²) is 173899678147831398400
• 13187102720 cubed (13187102720³) is 2293232918710391995942043648000
• The square root of 13187102720 is 114835.1110070435
• The cube root of 13187102720 is 2362.5615393019

Scales and comparisons

• 13,187,102,720 seconds is equal to 419 years, 16 weeks, 12 hours, 5 minutes, 20 seconds.
• To count from 1 to 13,187,102,720 would take you about eight hundred thirty-eight 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 13187102720 cubic inches would be around 196.9 feet tall.

Recreational maths with 13187102720

• 13187102720 backwards is 02720178131
• 13187102720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13187102720's digits is 32
• More coming soon!