30521791872

Names of 30521791872

• Cardinal: 30521791872 can be written as Thirty billion, five hundred twenty-one million, seven hundred ninety-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.0521791872 × 10¹⁰

Factors of 30521791872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 589

Divisors of 30521791872

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 64 66 72 78 88 96 99 104 108 117 128 132 143 144 151 156 176 192 198 208 216 234 264 286 288 297 302 312 351 352 384 396 409 416 429 432 453 468 528 572 576 594 604 624 702 704 792 818 832 858 864 906 936 1056 1144 1152 1188 1208 1227 1248 1287 1359 1404 1408 1584 1636 1661 1664 1716 1728 1812 1872 1963 2112 2288 2376 2416 2454 2496 2574 2718 2808 3168 3272 3322 3432 3456 3624 3681 3744 3861 3926 4077 4224 4499 4576 4752 4832 4908 4983 4992 5148 5317 5436 5616 5889 6336 6544 6644 6864 7248 7362 7488 7722 7852 8154 8998 9152 9504 9664 9816 9966 10296 10634 10872 11043 11232 11778 12672 13088 13288 13497 13728 14496 14724 14949 14976 15444 15704 15951 16308 17667 17996 18304 19008 19328 19632 19932 20592 21268 21593 21744 22086 22464 23556 26176 26576 26994 27456 28992 29448 29898 30888 31408 31902 32616 35334 35992 38016 39264 39864 40491 41184 42536 43186 43488 44172 44847 44928 47112 47853 52352 53001 53152 53988 54912 57984 58487 58896 59796 61759 61776 62816 63804 64779 65232 70668 71984 78528 79728 80982 82368 85072 86372 86976 88344 89694 94224 95706 106002 106304 107976 116974 117792 119592 121473 123518 123552 125632 127608 129558 130464 141336 143559 143968 157056 159456 161964 164736 170144 172744 173952 175461 176688 179388 185277 188448 191412 194337 212004 212608 215952 233948 235584 239184 242946 247036 247104 251264 255216 259116 260928 282672 287118 287936 318912 323928 340288 345488 350922 353376 358776 370554 376896 382824 388674 424008 431904 467896 471168 478368 485892 494072 494208 510432 518232 521856 526383 555831 565344 574236 575872 583011 637824 647856 679349 680576 690976 701844 706752 717552 741108 753792 765648 777348 802867 848016 863808 935792 956736 971784 988144 1020864 1036464 1052766 1111662 1130688 1148472 1166022 1295712 1358698 1381952 1403688 1413504 1435104 1482216 1531296 1554696 1579149 1605734 1667493 1696032 1727616 1871584 1913472 1943568 1976288 2038047 2041728 2072928 2105532 2223324 2261376 2296944 2332044 2408601 2591424 2717396 2763904 2807376 2870208 2964432 3062592 3109392 3158298 3211468 3334986 3392064 3743168 3887136 3952576 4076094 4145856 4211064 4446648 4593888 4664088 4817202 5182848 5434792 5614752 5740416 5928864 6114141 6125184 6218784 6316596 6422936 6669972 6784128 7225803 7486336 7774272 7905152 8152188 8291712 8422128 8831537 8893296 9187776 9328176 9634404 10869584 11229504 11857728 12228282 12437568 12633192 12845872 13339944 14451606 15548544 16304376 16844256 17663074 17786592 18342423 18375552 18656352 19268808 21677409 21739168 22459008 23715456 24456564 24875136 25266384 25691744 26494611 26679888 28903212 32608752 33688512 35326148 35573184 36684846 37312704 38537616 43354818 43478336 48913128 50532768 51383488 52989222 53359776 57806424 65217504 67377024 70652296 71146368 73369692 74625408 77075232 79483833 86709636 86956672 97826256 101065536 102766976 105978444 106719552 115612848 130435008 141304592 146739384 154150464 158967666 173419272 195652512 202131072 211956888 213439104 231225696 238451499 260870016 282609184 293478768 308300928 317935332 346838544 391305024 423913776 462451392 476902998 565218368 586957536 635870664 693677088 782610048 847827552 924902784 953805996 1130436736 1173915072 1271741328 1387354176 1695655104 1907611992 2347830144 2543482656 2774708352 3391310208 3815223984 5086965312 7630447968 10173930624 15260895936 30521791872
• Sum of all divisors σ(n): 106791552000
• Sum of proper divisors (its aliquot sum) s(n): 76269760128
• 30521791872 is an abundant number, because the sum of its proper divisors (76269760128) is greater than itself. Its abundance is 45747968256

Bases of 30521791872

• Binary: 11100011011001111011001010110000000₂
• Hexadecimal: 0x71B3D9580
• Base-36: E0RVXC0

Squares and roots of 30521791872

• 30521791872 squared (30521791872²) is 931579779077685264384
• 30521791872 cubed (30521791872³) is 28433484129172849759049742286848
• The square root of 30521791872 is 174704.8707735419
• The cube root of 30521791872 is 3125.1438226117

Scales and comparisons

• 30,521,791,872 seconds is equal to 970 years, 25 weeks, 6 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 30,521,791,872 would take you about one thousand, nine hundred forty 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 30521791872 cubic inches would be around 260.4 feet tall.

Recreational maths with 30521791872

• 30521791872 backwards is 27819712503
• The number of decimal digits it has is: 11
• The sum of 30521791872's digits is 45
• More coming soon!