12981217788

Names of 12981217788

• Cardinal: 12981217788 can be written as Twelve billion, nine hundred eighty-one million, two hundred seventeen thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2981217788 × 10¹⁰

Factors of 12981217788

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 101

Divisors of 12981217788

• Number of divisors d(n): 600
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 37 41 42 44 49 54 63 66 74 77 81 82 84 98 99 108 111 123 126 132 147 148 154 162 164 189 196 198 222 231 246 252 259 287 294 297 308 324 333 343 369 378 396 407 441 444 451 462 492 518 539 567 574 588 594 666 686 693 738 756 777 814 861 882 891 902 924 999 1029 1036 1078 1107 1134 1148 1188 1221 1323 1332 1353 1372 1386 1476 1517 1554 1617 1628 1722 1764 1782 1804 1813 1998 2009 2058 2079 2156 2214 2268 2331 2401 2442 2583 2646 2706 2772 2849 2997 3034 3087 3108 3157 3234 3321 3444 3564 3626 3663 3773 3969 3996 4018 4059 4116 4158 4428 4551 4662 4802 4851 4884 5166 5292 5412 5439 5698 5994 6027 6068 6174 6237 6314 6468 6642 6993 7203 7252 7326 7546 7749 7938 8036 8118 8316 8547 9102 9261 9324 9471 9604 9702 10332 10619 10878 10989 11319 11396 11988 12054 12177 12348 12474 12628 12691 13284 13653 13986 14063 14406 14553 14652 15092 15498 15876 16236 16317 16687 17094 18081 18204 18522 18942 19404 19943 20979 21238 21609 21756 21978 22099 22638 23247 24108 24354 24948 25382 25641 26411 27306 27783 27972 28126 28413 28812 29106 30996 31857 32634 32967 33374 33957 34188 36162 36531 37044 37884 38073 39886 40959 41958 42189 42476 43218 43659 43956 44198 45276 46494 48708 48951 50061 50764 51282 52822 54243 54612 55566 56252 56826 58212 59829 63714 64827 65268 65934 66297 66748 67914 72324 73062 74333 76146 76923 79233 79772 81918 83916 84378 85239 86436 87318 88396 88837 92988 95571 97902 98441 100122 101871 102564 105644 108486 111132 113652 114219 116809 119658 122877 126567 127428 129654 131868 132594 135828 139601 146124 146853 148666 150183 152292 153846 154693 158466 162729 163836 168756 170478 174636 177674 179487 191142 194481 195804 196882 198891 200244 203742 216972 222999 228438 230769 233618 237699 239316 245754 253134 255717 259308 265188 266511 279202 286713 293706 295323 297332 300366 305613 307692 309386 316932 325458 340956 342657 350427 355348 358974 379701 382284 388962 393764 397782 407484 418803 445998 450549 456876 461538 464079 467236 475398 491508 506268 511434 520331 533022 538461 558404 573426 587412 590646 596673 600732 611226 618772 650916 668997 685314 700854 713097 717948 759402 777924 795564 799533 817663 837606 860139 885969 891996 901098 923076 928158 950796 977207 1022868 1027971 1040662 1051281 1066044 1076922 1082851 1139103 1146852 1181292 1193346 1222452 1256409 1337994 1351647 1370628 1392237 1401708 1426194 1518804 1560993 1599066 1615383 1635326 1675212 1720278 1771938 1790019 1802196 1856316 1954414 2006991 2055942 2081324 2102562 2139291 2153844 2165702 2278206 2386692 2398599 2452989 2512818 2657907 2675988 2703294 2784474 2852388 2931621 3121986 3153843 3198132 3230766 3248553 3270652 3440556 3543876 3580038 3642317 3769227 3908828 4013982 4111884 4176711 4205124 4278582 4331404 4556412 4682979 4797198 4905978 5025636 5315814 5406588 5568948 5723641 5863242 6020973 6243972 6307686 6461532 6497106 7160076 7195797 7284634 7358967 7538454 7973721 8027964 8353422 8557164 8794863 9365958 9461529 9594396 9745659 9811956 10631628 10926951 11307681 11447282 11726484 12041946 12530133 12615372 12994212 14048937 14391594 14569268 14717934 15076908 15947442 16706844 17170923 17589726 18731916 18923058 19491318 21853902 22076901 22615362 22894564 24083892 25060266 26384589 28097874 28783188 29236977 29435868 31894884 32780853 34341846 35179452 37846116 38982636 40065487 42146811 43707804 44153802 45230724 50120532 51512769 52769178 56195748 58473954 65561706 66230703 68683692 79153767 80130974 84293622 87710931 88307604 98342559 103025538 105538356 116947908 120196461 131123412 132461406 154538307 158307534 160261948 168587244 175421862 196685118 206051076 240392922 264922812 295027677 309076614 316615068 350843724 360589383 393370236 463614921 480785844 590055354 618153228 721178766 927229842 1081768149 1180110708 1442357532 1854459684 2163536298 3245304447 4327072596 6490608894 12981217788
• Sum of all divisors σ(n): 45437104944
• Sum of proper divisors (its aliquot sum) s(n): 32455887156
• 12981217788 is an abundant number, because the sum of its proper divisors (32455887156) is greater than itself. Its abundance is 19474669368

Bases of 12981217788

• Binary: 1100000101101111011010100111111100₂
• Hexadecimal: 0x305BDA9FC
• Base-36: 5YOOJR0

Squares and roots of 12981217788

• 12981217788 squared (12981217788²) is 168512015259487612944
• 12981217788 cubed (12981217788³) is 2187491169978188036914311847872
• The square root of 12981217788 is 113935.1472900263
• The cube root of 12981217788 is 2350.2017504773

Scales and comparisons

• 12,981,217,788 seconds is equal to 412 years, 39 weeks, 4 days, 13 hours, 49 minutes, 48 seconds.
• To count from 1 to 12,981,217,788 would take you about eight hundred twenty-five 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 12981217788 cubic inches would be around 195.9 feet tall.

Recreational maths with 12981217788

• 12981217788 backwards is 88771218921
• 12981217788 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12981217788's digits is 54
• More coming soon!