71861420988

Names of 71861420988

• Cardinal: 71861420988 can be written as Seventy-one billion, eight hundred sixty-one million, four hundred twenty thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 7.1861420988 × 10¹⁰

Factors of 71861420988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 78

Divisors of 71861420988

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 47 49 57 63 76 84 94 98 114 126 133 141 147 171 188 196 228 252 266 282 294 329 342 343 361 399 423 441 532 564 588 658 684 686 722 798 846 882 893 931 987 1029 1083 1197 1316 1372 1444 1596 1692 1764 1786 1862 1974 2058 2166 2303 2394 2401 2527 2679 2793 2961 3087 3249 3572 3724 3948 4116 4332 4606 4788 4802 5054 5358 5586 5922 6174 6251 6498 6517 6909 7203 7581 8037 8379 9212 9604 10108 10716 11172 11844 12348 12502 12996 13034 13818 14406 15162 16074 16121 16758 16807 16967 17689 18753 19551 20727 21609 22743 25004 26068 27636 28812 30324 32148 32242 33516 33614 33934 35378 37506 39102 41454 43218 43757 45486 45619 48363 50421 50901 53067 56259 58653 64484 67228 67868 70756 75012 78204 82908 86436 87514 90972 91238 96726 100842 101802 106134 112518 112847 117306 117649 118769 123823 131271 136857 145089 151263 152703 159201 175028 182476 193452 201684 203604 212268 225036 225694 234612 235298 237538 247646 262542 273714 290178 302526 305406 306299 318402 319333 338541 352947 356307 371469 393813 410571 451388 470596 475076 495292 525084 547428 580356 605052 610812 612598 636804 638666 677082 705894 712614 742938 787626 789929 821142 831383 866761 918897 957999 1015623 1058841 1068921 1114407 1225196 1277332 1354164 1411788 1425228 1485876 1575252 1579858 1642284 1662766 1733522 1837794 1915998 2031246 2117682 2137842 2144093 2228814 2235331 2369787 2494149 2600283 2756691 2873997 3159716 3325532 3467044 3675588 3831996 4062492 4235364 4275684 4288186 4457628 4470662 4739574 4988298 5200566 5513382 5529503 5747994 5819681 6067327 6432279 6705993 7109361 7482447 7800849 8576372 8941324 9479148 9976596 10401132 11026764 11059006 11495988 11639362 12134654 12864558 13411986 14218722 14964894 15008651 15601698 16588509 17459043 18201981 19296837 20117979 22118012 23278724 24269308 25729116 26823972 28437444 29929788 30017302 31203396 33177018 34918086 36403962 38593674 40235958 40737767 42471289 45025953 49765527 52377129 54605943 60034604 66354036 69836172 72807924 77187348 80471916 81475534 84942578 90051906 99531054 104754258 105060557 109211886 122213301 127413867 135077859 162951068 169885156 180103812 199062108 209508516 210121114 218423772 244426602 254827734 270155718 285164369 315181671 366639903 382241601 420242228 488853204 509655468 540311436 570328738 630363342 733279806 764483202 855493107 945545013 1140657476 1260726684 1466559612 1528966404 1710986214 1891090026 1996150583 2566479321 3421972428 3782180052 3992301166 5132958642 5988451749 7984602332 10265917284 11976903498 17965355247 23953806996 35930710494 71861420988
• Sum of all divisors σ(n): 228424197456
• Sum of proper divisors (its aliquot sum) s(n): 156562776468
• 71861420988 is an abundant number, because the sum of its proper divisors (156562776468) is greater than itself. Its abundance is 84701355480

Bases of 71861420988

• Binary: 1000010111011010001100100001110111100₂
• Hexadecimal: 0x10BB4643BC
• Base-36: X0GFNB0

Squares and roots of 71861420988

• 71861420988 squared (71861420988²) is 5164063826414566896144
• 71861420988 cubed (71861420988³) is 371096964638879346339492457870272
• The square root of 71861420988 is 268069.8061848817
• The cube root of 71861420988 is 4157.4968952213

Scales and comparisons

• 71,861,420,988 seconds is equal to 2,284 years, 50 weeks, 3 days, 9 hours, 49 minutes, 48 seconds.
• To count from 1 to 71,861,420,988 would take you about four thousand, five hundred sixty-nine 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 71861420988 cubic inches would be around 346.5 feet tall.

Recreational maths with 71861420988

• 71861420988 backwards is 88902416817
• The number of decimal digits it has is: 11
• The sum of 71861420988's digits is 54
• More coming soon!