130721662720

Names of 130721662720

• Cardinal: 130721662720 can be written as One hundred thirty billion, seven hundred twenty-one million, six hundred sixty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3072166272 × 10¹¹

Factors of 130721662720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 295

Divisors of 130721662720

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 277 320 352 440 484 554 605 640 704 880 968 1108 1210 1280 1331 1385 1408 1760 1936 2216 2420 2662 2770 2816 3047 3520 3872 4432 4840 5324 5540 6094 6655 7040 7744 8864 9680 10648 11080 12188 13310 14080 15235 15488 17728 19360 21296 22160 24376 26620 30470 30976 33517 35456 38720 42592 44320 48752 53240 60940 67034 70912 76729 77440 85184 88640 97504 106480 121880 134068 153458 154880 167585 170368 177280 195008 212960 243760 268136 306916 335170 340736 354560 368687 383645 390016 425920 487520 536272 613832 670340 737374 767290 780032 844019 851840 975040 1072544 1227664 1340680 1474748 1534580 1688038 1703680 1843435 1950080 2145088 2455328 2681360 2949496 3069160 3376076 3686870 3900160 4220095 4290176 4910656 5362720 5898992 6138320 6752152 7373740 8440190 8580352 9284209 9821312 10725440 11797984 12276640 13504304 14747480 16880380 18568418 19642624 21450880 23595968 24553280 27008608 29494960 33760760 37136836 42901760 46421045 47191936 49106560 54017216 58989920 67521520 74273672 92842090 94383872 98213120 102126299 108034432 117979840 135043040 148547344 185684180 204252598 216068864 235959680 270086080 297094688 371368360 408505196 471919360 510631495 540172160 594189376 742736720 817010392 1021262990 1080344320 1188378752 1485473440 1634020784 2042525980 2376757504 2970946880 3268041568 4085051960 5941893760 6536083136 8170103920 11883787520 13072166272 16340207840 26144332544 32680415680 65360831360 130721662720
• Sum of all divisors σ(n): 345655468368
• Sum of proper divisors (its aliquot sum) s(n): 214933805648
• 130721662720 is an abundant number, because the sum of its proper divisors (214933805648) is greater than itself. Its abundance is 84212142928

Bases of 130721662720

• Binary: 1111001101111100111100100011100000000₂
• Hexadecimal: 0x1E6F9E4700
• Base-36: 1O1WAWHS

Squares and roots of 130721662720

• 130721662720 squared (130721662720²) is 17088153104281437798400
• 130721662720 cubed (130721662720³) is 2233791786605599099839104155648000
• The square root of 130721662720 is 361554.5086428879
• The cube root of 130721662720 is 5075.1535649779

Scales and comparisons

• 130,721,662,720 seconds is equal to 4,156 years, 28 weeks, 2 days, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 130,721,662,720 would take you about eight thousand, three hundred thirteen 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 130721662720 cubic inches would be around 422.9 feet tall.

Recreational maths with 130721662720

• 130721662720 backwards is 027266127031
• The number of decimal digits it has is: 12
• The sum of 130721662720's digits is 37
• More coming soon!