72449421968

Names of 72449421968

• Cardinal: 72449421968 can be written as Seventy-two billion, four hundred forty-nine million, four hundred twenty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2449421968 × 10¹⁰

Factors of 72449421968

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 926

Divisors of 72449421968

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 19 22 28 31 34 38 44 49 56 62 68 76 77 88 98 112 119 124 133 136 152 154 176 187 196 209 217 238 248 266 272 304 308 323 341 374 392 418 434 476 496 527 532 539 589 616 646 682 748 784 833 836 839 868 931 952 1054 1064 1078 1178 1232 1292 1309 1364 1463 1496 1519 1666 1672 1678 1736 1862 1904 2108 2128 2156 2261 2356 2387 2584 2618 2728 2926 2992 3038 3332 3344 3356 3472 3553 3689 3724 4123 4216 4312 4522 4712 4774 5168 5236 5456 5797 5852 5873 6076 6479 6664 6712 7106 7378 7448 8246 8432 8624 9044 9163 9229 9424 9548 10013 10241 10472 11594 11704 11746 12152 12958 13328 13424 14212 14263 14756 14896 15827 15941 16492 16709 18088 18326 18458 19096 20026 20482 20944 23188 23408 23492 24304 24871 25823 25916 26009 28424 28526 28861 29512 31654 31882 32984 33418 36176 36652 36916 38192 40052 40579 40964 41111 45353 46376 46984 49742 51646 51832 52018 56848 57052 57722 59024 63308 63764 64603 65968 66836 70091 73304 73832 80104 81158 81928 82222 90706 92752 93968 99484 99841 103292 103664 104036 110143 111587 114104 115444 126616 127528 129206 133672 140182 146608 147664 156893 160208 162316 163856 164444 174097 175351 181412 182063 198968 199682 206584 208072 220286 223174 228208 230888 253232 255056 258412 267344 270997 280364 284053 286099 313786 317471 324632 328888 348194 350702 362824 364126 397936 399364 413168 416144 440572 442153 446348 452221 461776 490637 494171 516824 541994 560728 568106 572198 627572 634942 649264 657776 696388 698887 701404 725648 728252 771001 781109 798728 881144 884306 892696 904442 981274 988342 1033648 1083988 1098251 1121456 1136212 1144396 1227457 1255144 1269884 1274441 1392776 1397774 1402808 1456504 1542002 1562218 1597456 1762288 1768612 1785392 1808884 1896979 1962548 1976684 2002693 2167976 2196502 2272424 2288792 2454914 2510288 2539768 2548882 2785552 2795548 2805616 2913008 2980967 3084004 3095071 3124436 3459197 3537224 3617768 3793958 3925096 3953368 4005386 4335952 4393004 4544848 4577584 4863683 4909828 5079536 5097764 5397007 5435881 5591096 5961934 6168008 6190142 6248872 6918394 7074448 7235536 7587916 7687757 7850192 7906736 8010772 8400907 8592199 8786008 9727366 9819656 10195528 10794014 10871762 11182192 11923868 12336016 12380284 12497744 13278853 13836788 14018851 15175832 15375514 16021544 16801814 17184398 17572016 19454732 19639312 20391056 20866769 21588028 21665497 21743524 23847736 24214379 24760568 26557706 27673576 28037702 30351664 30751028 32043088 33603628 34045781 34368796 38051167 38909464 41733538 43176056 43330994 43487048 47695472 48428758 49521136 53115412 55347152 56075404 58806349 61502056 67207256 68091562 68737592 76102334 77818928 83467076 86352112 86661988 86974096 92409977 96857516 106230824 112150808 117612698 123004112 134414512 136183124 137475184 146067383 152204668 166934152 173323976 184819954 193715032 212461648 224301616 235225396 238320467 266358169 272366248 292134766 304409336 333868304 346647952 369639908 387430064 411644443 470450792 476640934 532716338 544732496 584269532 608818672 646869839 739279816 823288886 940901584 953281868 1065432676 1168539064 1293739678 1478559632 1646577772 1906563736 2130865352 2337078128 2587479356 3293155544 3813127472 4261730704 4528088873 5174958712 6586311088 9056177746 10349917424 18112355492 36224710984 72449421968
• Sum of all divisors σ(n): 205186867200
• Sum of proper divisors (its aliquot sum) s(n): 132737445232
• 72449421968 is an abundant number, because the sum of its proper divisors (132737445232) is greater than itself. Its abundance is 60288023264

Bases of 72449421968

• Binary: 1000011011110010100100111001010010000₂
• Hexadecimal: 0x10DE527290
• Base-36: XA6IJRK

Squares and roots of 72449421968

• 72449421968 squared (72449421968²) is 5248918743497320993024
• 72449421968 cubed (72449421968³) is 380281128923381764701140560351232
• The square root of 72449421968 is 269164.3029229545
• The cube root of 72449421968 is 4168.8055813861

Scales and comparisons

• 72,449,421,968 seconds is equal to 2,303 years, 34 weeks, 4 days, 23 hours, 26 minutes, 8 seconds.
• To count from 1 to 72,449,421,968 would take you about four thousand, six hundred 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 72449421968 cubic inches would be around 347.4 feet tall.

Recreational maths with 72449421968

• 72449421968 backwards is 86912494427
• 72449421968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72449421968's digits is 56
• More coming soon!