18311494530

Names of 18311494530

• Cardinal: 18311494530 can be written as Eighteen billion, three hundred eleven million, four hundred ninety-four thousand, five hundred thirty.

Scientific notation

• Scientific notation: 1.831149453 × 10¹⁰

Factors of 18311494530

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 351

Divisors of 18311494530

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 43 49 57 70 79 86 95 98 105 114 129 133 147 158 190 193 210 215 237 245 258 266 285 294 301 386 395 399 430 474 490 553 570 579 602 645 665 735 790 798 817 903 931 965 1106 1158 1185 1290 1330 1351 1470 1501 1505 1634 1659 1806 1862 1930 1995 2107 2370 2451 2702 2765 2793 2895 3002 3010 3318 3397 3667 3871 3990 4053 4085 4214 4503 4515 4655 4902 5530 5586 5719 5790 6321 6755 6794 7334 7505 7742 8106 8170 8295 8299 9006 9030 9310 9457 10191 10507 10535 11001 11438 11613 12255 12642 13510 13965 15010 15247 16590 16598 16985 17157 18335 18914 19355 20265 20382 21014 21070 22002 22515 23226 23779 24510 24897 25669 27930 28371 28595 30494 31521 31605 33970 34314 36670 38710 40033 40530 41495 45030 45741 47285 47558 49794 50955 51338 52535 55005 56742 57190 58065 58093 63042 63210 64543 71337 73549 76235 77007 80066 82990 85785 91482 94570 101910 105070 106729 110010 116130 116186 118895 120099 124485 128345 129086 141855 142674 147098 152470 154014 157605 157681 166453 171570 174279 179683 193629 200165 213458 220647 228705 237790 240198 248970 256690 283710 289693 290465 315210 315362 320187 322715 332906 348558 356685 359366 367745 385035 387258 400330 406651 441294 451801 457410 473043 499359 533645 539049 579386 580930 600495 640374 645430 655621 713370 735490 747103 770070 788405 813302 832265 869079 871395 898415 903602 946086 968145 998718 1067290 1078098 1103235 1103767 1200990 1219953 1311242 1355403 1448465 1494206 1576810 1600935 1664530 1738158 1742790 1796830 1936290 1966863 2027851 2033255 2206470 2207534 2241309 2259005 2365215 2439906 2496795 2695245 2710806 2896930 3162607 3201870 3278105 3311301 3735515 3933726 4055702 4066510 4345395 4482618 4518010 4589347 4730430 4993590 5390490 5518835 6083553 6099765 6325214 6556210 6622602 6777015 7471030 7726369 8690790 9178694 9487821 9834315 10139255 11037670 11206545 12167106 12199530 12456799 13554030 13768041 14194957 15452738 15813035 16556505 18975642 19668630 20278510 22413090 22946735 23179107 24913598 27536082 28389914 30417765 31626070 32125429 33113010 37370397 38631845 42584871 45893470 46358214 47439105 60835530 62283995 64250858 68840205 70974785 74740794 77263690 85169742 87197593 94878210 96376287 115895535 124567990 137680410 141949570 160627145 174395186 186851985 192752574 212924355 231791070 261592779 321254290 373703970 425848710 435987965 481881435 523185558 610383151 871975930 963762870 1220766302 1307963895 1831149453 2615927790 3051915755 3662298906 6103831510 9155747265 18311494530
• Sum of all divisors σ(n): 56050790400
• Sum of proper divisors (its aliquot sum) s(n): 37739295870
• 18311494530 is an abundant number, because the sum of its proper divisors (37739295870) is greater than itself. Its abundance is 19427801340

Bases of 18311494530

• Binary: 10001000011011100110011101110000010₂
• Hexadecimal: 0x443733B82
• Base-36: 8EU6VLU

Squares and roots of 18311494530

• 18311494530 squared (18311494530²) is 335310831922219920900
• 18311494530 cubed (18311494530³) is 6140042464593479467017382677000
• The square root of 18311494530 is 135319.9709207773
• The cube root of 18311494530 is 2635.7725486161

Scales and comparisons

• 18,311,494,530 seconds is equal to 582 years, 12 weeks, 6 days, 14 hours, 15 minutes, 30 seconds.
• To count from 1 to 18,311,494,530 would take you about one thousand, one hundred sixty-four 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 18311494530 cubic inches would be around 219.6 feet tall.

Recreational maths with 18311494530

• 18311494530 backwards is 03549411381
• The number of decimal digits it has is: 11
• The sum of 18311494530's digits is 39
• More coming soon!