72131780448

Names of 72131780448

• Cardinal: 72131780448 can be written as Seventy-two billion, one hundred thirty-one million, seven hundred eighty thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 7.2131780448 × 10¹⁰

Factors of 72131780448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 104

Divisors of 72131780448

• Number of divisors d(n): 720
• 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 72 78 79 81 84 91 96 98 104 108 112 117 126 144 147 156 158 162 168 182 189 196 208 216 224 234 237 252 273 288 294 312 316 324 336 343 351 364 378 392 416 432 441 468 474 504 546 553 567 588 624 632 637 648 672 686 702 711 728 756 784 819 864 882 936 948 1008 1027 1029 1053 1092 1106 1134 1176 1248 1264 1274 1296 1323 1372 1404 1422 1456 1512 1568 1638 1659 1764 1872 1896 1911 2016 2054 2058 2106 2133 2184 2212 2268 2352 2457 2528 2548 2592 2646 2744 2808 2844 2912 3024 3081 3087 3276 3318 3528 3744 3792 3822 3871 3969 4108 4116 4212 4266 4368 4424 4459 4536 4704 4914 4977 5096 5292 5488 5616 5688 5733 6048 6162 6174 6241 6399 6552 6636 7056 7189 7371 7584 7644 7742 7938 8216 8232 8424 8532 8736 8848 8918 9072 9243 9261 9828 9954 10192 10584 10976 11232 11376 11466 11613 12324 12348 12482 12798 13104 13272 13377 14112 14378 14742 14931 15288 15484 15876 16432 16464 16848 17064 17199 17696 17836 18144 18486 18522 18723 19656 19908 20384 21168 21567 22752 22932 23226 24648 24696 24964 25596 26208 26544 26754 27097 27729 27783 28756 29484 29862 30576 30968 31752 32864 32928 33696 34128 34398 34839 35672 36972 37044 37446 39312 39816 40131 42336 43134 43687 44793 45864 46452 49296 49392 49928 50323 51192 51597 53088 53508 54194 55458 55566 56169 57512 58968 59724 61152 61936 63504 64701 68256 68796 69678 71344 73944 74088 74892 78624 79632 80262 81133 81291 83187 86268 87374 89586 91728 92904 98592 98784 99856 100646 102384 103194 104517 107016 108388 110916 111132 112338 115024 117936 119448 120393 123872 127008 129402 131061 137592 139356 142688 147888 148176 149784 150969 159264 160524 162266 162582 166374 168507 172536 174748 179172 183456 185808 194103 199712 201292 204768 206388 209034 214032 216776 221832 222264 224676 230048 235872 238896 240786 243399 243873 258804 262122 275184 278712 295776 296352 299568 301938 305809 313551 321048 324532 325164 332748 337014 345072 349496 352261 358344 361179 371616 388206 393183 402584 412776 418068 428064 433552 443664 444528 449352 452907 477792 481572 486798 487746 505521 517608 524244 550368 557424 567931 582309 599136 603876 611618 627102 642096 649064 650328 665496 674028 690144 698992 704522 716688 722358 730197 731619 776412 786366 805168 825552 836136 867104 887328 889056 898704 905814 917427 963144 973596 975492 1011042 1035216 1048488 1056783 1114848 1135862 1164618 1179549 1207752 1223236 1254204 1284192 1298128 1300656 1330992 1348056 1358721 1397984 1409044 1433376 1444716 1460394 1463238 1552824 1572732 1610336 1651104 1672272 1703793 1797408 1811628 1834854 1926288 1947192 1950984 2022084 2070432 2096976 2113566 2140663 2190591 2194857 2271724 2329236 2359098 2415504 2446472 2508408 2596256 2601312 2661984 2696112 2717442 2752281 2818088 2889432 2920788 2926476 3105648 3145464 3170349 3344544 3407586 3538647 3623256 3669708 3852576 3894384 3901968 3975517 4044168 4076163 4193952 4227132 4281326 4381182 4389714 4543448 4658472 4718196 4831008 4892944 5016816 5111379 5392224 5434884 5504562 5636176 5778864 5841576 5852952 6211296 6290928 6340698 6421989 6571773 6815172 7077294 7246512 7339416 7788768 7803936 7951034 8088336 8152326 8256843 8454264 8562652 8762364 8779428 9086896 9316944 9436392 9511047 9785888 10033632 10222758 10869768 11009124 11272352 11557728 11683152 11705904 11926551 12581856 12681396 12843978 13143546 13630344 14154588 14493024 14678832 15334137 15902068 16176672 16304652 16513686 16908528 17125304 17524728 17558856 18173792 18633888 18872784 19022094 19265967 20445516 21739536 22018248 23366304 23411808 23853102 24770529 25362792 25687956 26287092 27260688 27828619 28309176 28533141 29357664 30668274 31804136 32609304 33027372 33817056 34250608 35049456 35117712 35779653 37745568 38044188 38531934 40891032 43479072 44036496 46002411 47706204 49541058 50725584 51375912 52574184 54521376 55657238 56618352 57066282 57797901 61336548 63608272 65218608 66054744 68501216 70098912 70235424 71559306 76088376 77063868 81782064 83485857 88072992 92004822 95412408 99082116 101451168 102751824 105148368 107338959 111314476 113236704 114132564 115595802 122673096 127216544 130437216 132109488 143118612 152176752 154127736 163564128 166971714 173393703 184009644 190824816 198164232 205503648 210296736 214677918 222628952 228265128 231191604 245346192 250457571 264218976 286237224 304353504 308255472 322016877 333943428 346787406 368019288 381649632 396328464 429355836 445257904 456530256 462383208 490692384 500915142 572474448 616510944 644033754 667886856 693574812 736038576 751372713 792656928 858711672 890515808 913060512 924766416 1001830284 1144948896 1288067508 1335773712 1387149624 1472077152 1502745426 1717423344 1849532832 2003660568 2254118139 2576135016 2671547424 2774299248 3005490852 3434846688 4007321136 4508236278 5152270032 5548598496 6010981704 8014642272 9016472556 10304540064 12021963408 18032945112 24043926816 36065890224 72131780448
• Sum of all divisors σ(n): 269835904800
• Sum of proper divisors (its aliquot sum) s(n): 197704124352
• 72131780448 is an abundant number, because the sum of its proper divisors (197704124352) is greater than itself. Its abundance is 125572343904

Bases of 72131780448

• Binary: 1000011001011011000111001111101100000₂
• Hexadecimal: 0x10CB639F60
• Base-36: X4XEE00

Squares and roots of 72131780448

• 72131780448 squared (72131780448²) is 5202993750598475080704
• 72131780448 cubed (72131780448³) is 375301202890485273124940009275392
• The square root of 72131780448 is 268573.6034088235
• The cube root of 72131780448 is 4162.7041952905

Scales and comparisons

• 72,131,780,448 seconds is equal to 2,293 years, 29 weeks, 3 days, 13 hours, 40 minutes, 48 seconds.
• To count from 1 to 72,131,780,448 would take you about four thousand, five hundred eighty-seven 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 72131780448 cubic inches would be around 346.9 feet tall.

Recreational maths with 72131780448

• 72131780448 backwards is 84408713127
• The number of decimal digits it has is: 11
• The sum of 72131780448's digits is 45
• More coming soon!