18409232820

Names of 18409232820

• Cardinal: 18409232820 can be written as Eighteen billion, four hundred nine million, two hundred thirty-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.840923282 × 10¹⁰

Factors of 18409232820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 730

Divisors of 18409232820

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 31 33 44 55 60 62 66 93 110 121 124 132 155 157 165 186 220 242 310 314 330 341 363 372 465 471 484 521 605 620 628 660 682 726 785 930 942 1023 1042 1210 1364 1452 1563 1570 1705 1727 1815 1860 1884 2046 2084 2355 2420 2605 3126 3140 3410 3454 3630 3751 4092 4710 4867 5115 5181 5210 5731 6252 6820 6908 7260 7502 7815 8635 9420 9734 10230 10362 10420 11253 11462 14601 15004 15630 16151 17193 17270 18755 18997 19468 20460 20724 22506 22924 24335 25905 28655 29202 31260 32302 34386 34540 37510 37994 45012 48453 48670 51810 53537 56265 56991 57310 58404 63041 64604 68772 73005 75020 75988 80755 81797 85965 94985 96906 97340 103620 107074 112530 113982 114620 126082 146010 160611 161510 163594 171930 177661 189123 189970 193812 214148 225060 227964 242265 245391 252164 267685 284955 292020 315205 321222 323020 327188 343860 355322 378246 379940 408985 484530 490782 532983 535370 569910 588907 630410 642444 710644 756492 803055 817970 888305 899767 945615 969060 981564 1065966 1070740 1139820 1177814 1226955 1260820 1606110 1635940 1766721 1776610 1799534 1891230 1954271 2131932 2355628 2453910 2535707 2664915 2699301 2944535 3212220 3533442 3553220 3599068 3782460 3908542 4498835 4907820 5071414 5329830 5398602 5862813 5889070 7066884 7607121 7817084 8833605 8997670 9771355 9897437 10142828 10659660 10797204 11725626 11778140 12678535 13496505 15214242 17667210 17995340 19542710 19794874 23451252 25357070 26993010 27892777 29314065 29692311 30428484 35334420 38035605 39085420 39589748 49487185 50714140 53986020 55785554 58628130 59384622 76071210 83678331 98974370 111571108 117256260 118769244 139463885 148461555 152142420 167356662 197948740 278927770 296923110 306820547 334713324 418391655 557855540 593846220 613641094 836783310 920461641 1227282188 1534102735 1673566620 1840923282 3068205470 3681846564 4602308205 6136410940 9204616410 18409232820
• Sum of all divisors σ(n): 58970999808
• Sum of proper divisors (its aliquot sum) s(n): 40561766988
• 18409232820 is an abundant number, because the sum of its proper divisors (40561766988) is greater than itself. Its abundance is 22152534168

Bases of 18409232820

• Binary: 10001001001010001101001100110110100₂
• Hexadecimal: 0x4494699B4
• Base-36: 8GGDQYC

Squares and roots of 18409232820

• 18409232820 squared (18409232820²) is 338899853020965152400
• 18409232820 cubed (18409232820³) is 6238886296926727831638381768000
• The square root of 18409232820 is 135680.6280203625
• The cube root of 18409232820 is 2640.4537414547

Scales and comparisons

• 18,409,232,820 seconds is equal to 585 years, 18 weeks, 3 days, 19 hours, 47 minutes.
• To count from 1 to 18,409,232,820 would take you about one thousand, one hundred seventy 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 18409232820 cubic inches would be around 220 feet tall.

Recreational maths with 18409232820

• 18409232820 backwards is 02823290481
• The number of decimal digits it has is: 11
• The sum of 18409232820's digits is 39
• More coming soon!