18127296990

Names of 18127296990

• Cardinal: 18127296990 can be written as Eighteen billion, one hundred twenty-seven million, two hundred ninety-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.812729699 × 10¹⁰

Factors of 18127296990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 375

Divisors of 18127296990

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 47 54 55 66 81 90 94 99 110 135 141 162 165 198 235 243 270 282 297 307 330 405 423 470 486 495 517 594 614 705 810 846 891 921 990 1034 1215 1269 1410 1485 1535 1551 1782 1842 2115 2209 2430 2538 2585 2673 2763 2970 3070 3102 3377 3807 4230 4418 4455 4605 4653 5170 5346 5526 6345 6627 6754 7614 7755 8289 8910 9210 9306 10131 11045 11421 12690 13254 13365 13815 13959 14429 15510 16578 16885 19035 19881 20262 22090 22842 23265 24299 24867 26730 27630 27918 28858 30393 33135 33770 38070 39762 41445 41877 43287 46530 48598 49734 50655 57105 59643 60786 66270 69795 72145 72897 74601 82890 83754 86574 91179 99405 101310 114210 119286 121495 124335 125631 129861 139590 144290 145794 149202 151965 158719 178929 182358 198810 209385 216435 218691 242990 248670 251262 259722 273537 298215 303930 317438 357858 364485 373005 389583 418770 432870 437382 455895 476157 536787 547074 596430 628155 649305 656073 678163 728970 746010 779166 793595 820611 894645 911790 952314 1073574 1093455 1168749 1256310 1298610 1312146 1356326 1367685 1428471 1587190 1641222 1789290 1947915 1968219 2034489 2186910 2337498 2380785 2683935 2735370 2856942 3280365 3390815 3506247 3895830 3936438 4068978 4103055 4285413 4761570 5367870 5843745 5904657 6103467 6560730 6781630 7012494 7142355 7459793 8206110 8570826 9841095 10172445 11687490 11809314 12206934 12856239 14284710 14919586 17531235 18310401 19682190 20344890 21427065 22379379 25712478 29523285 30517335 35062470 36620802 37298965 38568717 42854130 44758758 54931203 59046570 61034670 64281195 67138137 74597930 77137434 91552005 109862406 111896895 128562390 134276274 164793609 183104010 192843585 201414411 223793790 274656015 329587218 335690685 385687170 402828822 549312030 604243233 671381370 823968045 1007072055 1208486466 1647936090 1812729699 2014144110 3021216165 3625459398 6042432330 9063648495 18127296990
• Sum of all divisors σ(n): 54655945344
• Sum of proper divisors (its aliquot sum) s(n): 36528648354
• 18127296990 is an abundant number, because the sum of its proper divisors (36528648354) is greater than itself. Its abundance is 18401351364

Bases of 18127296990

• Binary: 10000111000011110001001100111011110₂
• Hexadecimal: 0x4387899DE
• Base-36: 8BSIVVI

Squares and roots of 18127296990

• 18127296990 squared (18127296990²) is 328598896163663060100
• 18127296990 cubed (18127296990³) is 5956609781344891936724919099000
• The square root of 18127296990 is 134637.6507147981
• The cube root of 18127296990 is 2626.9048965137

Scales and comparisons

• 18,127,296,990 seconds is equal to 576 years, 20 weeks, 2 days, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 18,127,296,990 would take you about one thousand, one hundred fifty-two 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 18127296990 cubic inches would be around 218.9 feet tall.

Recreational maths with 18127296990

• 18127296990 backwards is 09969272181
• 18127296990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18127296990's digits is 54
• More coming soon!