78013423215

Names of 78013423215

• Cardinal: 78013423215 can be written as Seventy-eight billion, thirteen million, four hundred twenty-three thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 7.8013423215 × 10¹⁰

Factors of 78013423215

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3993

Divisors of 78013423215

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 9 13 15 17 21 27 35 39 45 51 63 65 85 91 97 105 117 119 135 153 189 195 221 255 273 291 315 351 357 455 459 485 585 595 663 679 765 819 873 945 1071 1105 1261 1365 1455 1547 1649 1755 1785 1989 2037 2295 2457 2619 3213 3315 3395 3783 3851 4095 4365 4641 4947 5355 5967 6111 6305 7735 8245 8827 9945 10185 11349 11543 11553 12285 13095 13923 14841 16065 18333 18915 19255 21437 23205 24735 26481 26957 29835 30555 34047 34629 34659 41769 44135 44523 50063 56745 57715 57765 64311 65467 69615 74205 79443 80871 91665 103887 103977 107185 132405 134785 150059 150189 170235 173145 173295 192933 196401 208845 222615 238329 242613 250315 311661 321555 327335 350441 373547 397215 404355 450177 450567 458269 519435 519885 578799 589203 727839 750295 750945 851071 964665 982005 1051323 1120641 1191645 1213065 1350531 1351701 1374807 1558305 1752205 1767609 1867735 2250885 2252835 2291345 2553213 2614829 2893995 2946015 3153969 3361923 3639195 4051593 4124421 4255355 4856111 5256615 5603205 5957497 6350299 6752655 6758505 6874035 7659639 7844487 8838045 9461907 10085769 12373263 12766065 13074145 14568333 15769845 16809615 17872491 19050897 20257965 20622105 22978917 23533461 24280555 29787485 31751495 33992777 38298195 39222435 43704999 44452093 47309535 50428845 53617473 57152691 61866315 70600383 72841665 82553887 89362455 95254485 101978331 114894585 117667305 131114997 133356279 160852419 169963885 171458073 218524995 222260465 247661661 268087365 285763455 305934993 353001915 400068837 412769435 509891655 577877209 655574985 666781395 742984983 804262095 857290365 917804979 1200206511 1238308305 1529674965 1733631627 2000344185 2228954949 2889386045 3714924915 4589024895 5200894881 6001032555 8668158135 11144774745 15602684643 26004474405 78013423215
• Sum of all divisors σ(n): 182647664640
• Sum of proper divisors (its aliquot sum) s(n): 104634241425
• 78013423215 is an abundant number, because the sum of its proper divisors (104634241425) is greater than itself. Its abundance is 26620818210

Bases of 78013423215

• Binary: 1001000101001111101100101111001101111₂
• Hexadecimal: 0x1229F65E6F
• Base-36: ZU76ELR

Squares and roots of 78013423215

• 78013423215 squared (78013423215²) is 6086094201722700936225
• 78013423215 cubed (78013423215³) is 474797042685350650210597649463375
• The square root of 78013423215 is 279308.8312513587
• The cube root of 78013423215 is 4272.9037651441

Scales and comparisons

• 78,013,423,215 seconds is equal to 2,480 years, 30 weeks, 3 days, 3 hours, 20 minutes, 15 seconds.
• To count from 1 to 78,013,423,215 would take you about four thousand, nine hundred sixty-one 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 78013423215 cubic inches would be around 356.1 feet tall.

Recreational maths with 78013423215

• 78013423215 backwards is 51232431087
• The number of decimal digits it has is: 11
• The sum of 78013423215's digits is 36
• More coming soon!