72490861872

Names of 72490861872

• Cardinal: 72490861872 can be written as Seventy-two billion, four hundred ninety million, eight hundred sixty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 7.2490861872 × 10¹⁰

Factors of 72490861872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 468

Divisors of 72490861872

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 33 36 39 44 48 52 54 66 72 78 81 88 99 104 108 117 121 132 143 144 156 162 176 198 208 216 234 242 243 264 286 297 312 324 351 363 396 429 432 439 468 484 486 528 572 594 624 648 702 726 729 792 858 878 891 936 968 972 1053 1089 1144 1188 1287 1296 1317 1404 1452 1458 1573 1584 1716 1756 1782 1872 1936 1944 2106 2178 2187 2288 2376 2574 2634 2673 2808 2904 2916 3146 3159 3267 3432 3512 3564 3861 3888 3951 4212 4356 4374 4719 4752 4829 5148 5268 5346 5616 5707 5808 5832 6292 6318 6534 6561 6864 7024 7128 7722 7902 8019 8424 8712 8748 9438 9477 9658 9801 10296 10536 10692 11414 11583 11664 11853 12584 12636 13068 13122 14157 14256 14487 15444 15804 16038 16848 17121 17424 17496 18876 18954 19316 19602 20592 21072 21384 22828 23166 23706 24057 25168 25272 26136 26244 28314 28431 28974 29403 30888 31608 32076 34242 34749 34992 35559 37752 37908 38632 39204 42471 42768 43461 45656 46332 47412 48114 50544 51363 52272 52488 53119 56628 56862 57948 58806 61776 62777 63216 64152 68484 69498 71118 72171 75504 75816 77264 78408 84942 85293 86922 88209 91312 92664 94824 96228 102726 104247 104976 106238 106677 113256 113724 115896 117612 125554 127413 128304 130383 136968 138996 142236 144342 151632 154089 156816 159357 169884 170586 173844 176418 185328 188331 189648 192456 205452 208494 212476 213354 226512 227448 231792 235224 251108 254826 260766 264627 273936 277992 284472 288684 308178 312741 318714 320031 339768 341172 347688 352836 376662 382239 384912 391149 410904 416988 424952 426708 454896 462267 470448 478071 502216 509652 521532 529254 555984 564993 568944 577368 616356 625482 637428 640062 679536 682344 690547 695376 705672 753324 764478 782298 793881 821808 833976 849904 853416 924534 938223 956142 960093 1004432 1019304 1043064 1058508 1129986 1146717 1154736 1173447 1232712 1250964 1274856 1280124 1364688 1381094 1386801 1411344 1434213 1506648 1528956 1564596 1587762 1667952 1694979 1706832 1849068 1876446 1912284 1920186 2038608 2071641 2086128 2117016 2259972 2293434 2346894 2465424 2501928 2549712 2560248 2762188 2773602 2868426 2880279 3013296 3057912 3129192 3175524 3389958 3440151 3520341 3698136 3752892 3824568 3840372 4143282 4160403 4234032 4302639 4519944 4586868 4693788 5003856 5084937 5120496 5524376 5547204 5736852 5760558 6115824 6214923 6258384 6351048 6779916 6880302 7040682 7396272 7505784 7649136 7680744 8286564 8320806 8605278 9039888 9173736 9387576 10169874 10320453 10561023 11048752 11094408 11473704 11521116 12429846 12481209 12702096 12907917 13559832 13760604 14081364 15011568 15254811 15361488 16573128 16641612 17210556 18347472 18644769 18775152 20339748 20640906 21122046 22188816 22947408 23042232 24859692 24962418 25815834 27119664 27521208 28162728 30509622 31683069 33146256 33283224 34421112 37289538 37443627 38723751 40679496 41281812 42244092 45764433 46084464 49719384 49924836 51631668 55042416 55934307 56325456 61019244 63366138 66566448 68842224 74579076 74887254 77447502 81358992 82563624 84488184 91528866 99438768 99849672 103263336 111868614 116171253 122038488 126732276 137293299 149158152 149774508 154895004 165127248 167802921 168976368 183057732 199699344 206526672 223737228 232342506 244076976 253464552 274586598 298316304 299549016 309790008 335605842 348513759 366115464 411879897 447474456 464685012 503408763 506929104 549173196 599098032 619580016 671211684 697027518 732230928 823759794 894948912 929370024 1006817526 1098346392 1342423368 1394055036 1510226289 1647519588 1858740048 2013635052 2196692784 2684846736 2788110072 3020452578 3295039176 4027270104 4530678867 5576220144 6040905156 6590078352 8054540208 9061357734 12081810312 18122715468 24163620624 36245430936 72490861872
• Sum of all divisors σ(n): 249938568880
• Sum of proper divisors (its aliquot sum) s(n): 177447707008
• 72490861872 is an abundant number, because the sum of its proper divisors (177447707008) is greater than itself. Its abundance is 104956845136

Bases of 72490861872

• Binary: 1000011100000110010101100010100110000₂
• Hexadecimal: 0x10E0CAC530
• Base-36: XAV6R00

Squares and roots of 72490861872

• 72490861872 squared (72490861872²) is 5254925054945383344384
• 72490861872 cubed (72490861872³) is 380934046305757794521829950926848
• The square root of 72490861872 is 269241.2707442899
• The cube root of 72490861872 is 4169.6002598029

Scales and comparisons

• 72,490,861,872 seconds is equal to 2,304 years, 51 weeks, 1 day, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 72,490,861,872 would take you about four thousand, six hundred 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 72490861872 cubic inches would be around 347.5 feet tall.

Recreational maths with 72490861872

• 72490861872 backwards is 27816809427
• 72490861872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72490861872's digits is 54
• More coming soon!