12720105216

Names of 12720105216

• Cardinal: 12720105216 can be written as Twelve billion, seven hundred twenty million, one hundred five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.2720105216 × 10¹⁰

Factors of 12720105216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 132

Divisors of 12720105216

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 81 84 91 96 98 104 107 108 112 117 126 128 144 147 156 162 168 182 189 192 196 208 214 216 224 234 243 252 256 273 288 294 312 321 324 336 351 364 378 384 392 416 428 432 441 448 468 486 504 546 567 576 588 624 637 642 648 672 702 728 729 749 756 768 784 819 832 856 864 882 896 936 963 972 1008 1053 1092 1134 1152 1176 1248 1274 1284 1296 1323 1344 1391 1404 1456 1458 1498 1512 1568 1638 1664 1701 1712 1728 1764 1792 1872 1911 1926 1944 2016 2106 2184 2247 2268 2304 2352 2457 2496 2548 2568 2592 2646 2688 2782 2808 2889 2912 2916 2996 3024 3136 3159 3276 3328 3402 3424 3456 3528 3744 3822 3852 3888 3969 4032 4173 4212 4368 4494 4536 4704 4914 4992 5096 5103 5136 5184 5243 5292 5376 5564 5616 5733 5778 5824 5832 5992 6048 6272 6318 6552 6741 6804 6848 6912 7056 7371 7488 7644 7704 7776 7938 8064 8346 8424 8667 8736 8988 9072 9408 9477 9737 9828 9984 10192 10206 10272 10368 10486 10584 11128 11232 11466 11556 11648 11664 11907 11984 12096 12519 12544 12636 13104 13482 13608 13696 14112 14742 14976 15288 15408 15552 15729 15876 16128 16692 16848 17199 17334 17472 17976 18144 18816 18954 19474 19656 20223 20384 20412 20544 20736 20972 21168 22113 22256 22464 22932 23112 23296 23328 23814 23968 24192 25038 25272 26001 26208 26964 27216 27392 28224 29211 29484 29952 30576 30816 31104 31458 31752 33384 33696 34398 34668 34944 35721 35952 36288 37557 37632 37908 38948 39312 40446 40768 40824 41088 41944 42336 44226 44512 44928 45864 46224 46656 47187 47628 47936 48384 50076 50544 51597 52002 52416 53928 54432 56448 58422 58968 60669 61152 61632 62208 62916 63504 66339 66768 67392 68159 68796 69336 69888 71442 71904 72576 75114 75816 77896 78003 78624 80892 81536 81648 82176 83888 84672 87633 88452 89024 89856 91728 92448 93312 94374 95256 95872 100152 101088 103194 104004 104832 107856 108864 112671 112896 116844 117936 121338 122304 123264 125832 127008 132678 133536 134784 136318 137592 138672 141561 142884 143808 145152 150228 151632 154791 155792 156006 157248 161784 163072 163296 167776 169344 175266 176904 178048 182007 183456 184896 186624 188748 190512 191744 200304 202176 204477 206388 208008 209664 215712 217728 225342 233688 235872 242676 244608 246528 251664 254016 262899 265356 267072 269568 272636 275184 277344 283122 285768 287616 300456 303264 309582 311584 312012 314496 323568 326592 335552 338013 338688 350532 353808 356096 364014 366912 369792 377496 381024 400608 404352 408954 412776 416016 424683 431424 435456 450684 464373 467376 471744 485352 489216 503328 508032 525798 530712 534144 545272 546021 550368 554688 566244 571536 575232 600912 606528 613431 619164 623168 624024 628992 647136 653184 671104 676026 701064 707616 728028 733824 739584 754992 762048 788697 801216 808704 817908 825552 832032 849366 862848 901368 928746 934752 943488 970704 1006656 1014039 1016064 1051596 1061424 1068288 1090544 1092042 1100736 1109376 1132488 1143072 1201824 1213056 1226862 1238328 1246336 1248048 1274049 1294272 1306368 1342208 1352052 1402128 1415232 1456056 1467648 1509984 1524096 1577394 1602432 1635816 1651104 1664064 1698732 1725696 1802736 1840293 1857492 1869504 1886976 1941408 2013312 2028078 2103192 2122848 2181088 2184084 2201472 2218752 2264976 2286144 2366091 2403648 2426112 2453724 2476656 2492672 2496096 2548098 2588544 2704104 2804256 2830464 2912112 3019968 3048192 3154788 3204864 3271632 3302208 3328128 3397464 3605472 3680586 3714984 3739008 3822147 3882816 4026624 4056156 4206384 4245696 4362176 4368168 4402944 4529952 4572288 4732182 4807296 4907448 4953312 4992192 5096196 5177088 5408208 5520879 5608512 5660928 5824224 6039936 6309576 6543264 6604416 6656256 6794928 7098273 7210944 7361172 7429968 7478016 7644294 7765632 8112312 8412768 8491392 8724352 8736336 9059904 9144576 9464364 9614592 9814896 9906624 9984384 10192392 10816416 11041758 11217024 11648448 12079872 12619152 13086528 13208832 13589856 14196546 14421888 14722344 14859936 15288588 15531264 16224624 16562637 16825536 16982784 17448704 17472672 18119808 18928728 19629792 19813248 19968768 20384784 21632832 22083516 22434048 23296896 25238304 26173056 27179712 28393092 28843776 29444688 29719872 30577176 32449248 33125274 33651072 34945344 36239616 37857456 39259584 39626496 40769568 43265664 44167032 46593792 49687911 50476608 52346112 54359424 56786184 58889376 59439744 61154352 64898496 66250548 67302144 69890688 75714912 78519168 81539136 86531328 88334064 99375822 100953216 108718848 113572368 117778752 118879488 122308704 129796992 132501096 139781376 151429824 157038336 163078272 176668128 198751644 201906432 227144736 235557504 244617408 259593984 265002192 302859648 326156544 353336256 397503288 454289472 471115008 489234816 530004384 605719296 706672512 795006576 908578944 978469632 1060008768 1413345024 1590013152 1817157888 2120017536 3180026304 4240035072 6360052608 12720105216
• Sum of all divisors σ(n): 48135746232
• Sum of proper divisors (its aliquot sum) s(n): 35415641016
• 12720105216 is an abundant number, because the sum of its proper divisors (35415641016) is greater than itself. Its abundance is 22695535800

Bases of 12720105216

• Binary: 1011110110001011010110011100000000₂
• Hexadecimal: 0x2F62D6700
• Base-36: 5UD8000

Squares and roots of 12720105216

• 12720105216 squared (12720105216²) is 161801076706110406656
• 12720105216 cubed (12720105216³) is 2058126719763811082776866717696
• The square root of 12720105216 is 112783.4438913797
• The cube root of 12720105216 is 2334.3370757085

Scales and comparisons

• 12,720,105,216 seconds is equal to 404 years, 23 weeks, 6 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 12,720,105,216 would take you about eight hundred 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 12720105216 cubic inches would be around 194.5 feet tall.

Recreational maths with 12720105216

• 12720105216 backwards is 61250102721
• 12720105216 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12720105216's digits is 27
• More coming soon!