18406891944

Names of 18406891944

• Cardinal: 18406891944 can be written as Eighteen billion, four hundred six million, eight hundred ninety-one thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8406891944 × 10¹⁰

Factors of 18406891944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 106

Divisors of 18406891944

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 41 42 49 53 56 63 72 82 84 98 106 123 126 147 159 164 168 196 212 246 252 287 294 318 328 343 369 371 392 424 441 477 492 504 574 588 636 686 738 742 861 882 954 984 1029 1113 1148 1176 1272 1372 1476 1484 1722 1764 1908 2009 2058 2173 2226 2296 2401 2583 2597 2744 2952 2968 3087 3339 3444 3528 3816 4018 4116 4346 4452 4802 5166 5194 6027 6174 6519 6678 6888 7203 7791 8036 8232 8692 8904 9604 10332 10388 12054 12348 13038 13356 14063 14406 15211 15582 16072 16807 17384 18081 18179 19208 19557 20664 20776 21609 23373 24108 24696 26076 26712 28126 28812 30422 31164 33614 36162 36358 39114 42189 43218 45633 46746 48216 50421 52152 54537 56252 57624 60844 62328 67228 72324 72716 78228 84378 86436 91266 93492 98441 100842 106477 109074 112504 117649 121688 126567 127253 134456 136899 144648 145432 151263 156456 163611 168756 172872 182532 186984 196882 201684 212954 218148 235298 253134 254506 273798 295323 302526 319431 327222 337512 352947 365064 381759 393764 403368 425908 436296 470596 506268 509012 547596 590646 605052 638862 654444 689087 705894 745339 763518 787528 851816 885969 890771 941192 958293 1012536 1018024 1058841 1095192 1145277 1181292 1210104 1277724 1308888 1378174 1411788 1490678 1527036 1771938 1781542 1916586 2067261 2117682 2236017 2290554 2362584 2555448 2672313 2756348 2823576 2981356 3054072 3543876 3563084 3833172 4134522 4235364 4472034 4581108 4823609 5217373 5344626 5512696 5962712 6201783 6235397 6708051 7087752 7126168 7666344 8016939 8269044 8470728 8944068 9162216 9647218 10434746 10689252 12403566 12470794 13416102 14470827 15652119 16033878 16538088 17888136 18706191 19294436 20869492 21378504 24807132 24941588 26832204 28941654 31304238 32067756 36521611 37412382 38588872 41738984 43412481 46956357 49614264 49883176 53664408 56118573 57883308 62608476 64135512 73043222 74824764 86824962 93912714 109564833 112237146 115766616 125216952 146086444 149649528 173649924 187825428 219129666 224474292 255651277 292172888 328694499 347299848 375650856 438259332 448948584 511302554 657388998 766953831 876518664 1022605108 1314777996 1533907662 2045210216 2300861493 2629555992 3067815324 4601722986 6135630648 9203445972 18406891944
• Sum of all divisors σ(n): 60703280820
• Sum of proper divisors (its aliquot sum) s(n): 42296388876
• 18406891944 is an abundant number, because the sum of its proper divisors (42296388876) is greater than itself. Its abundance is 23889496932

Bases of 18406891944

• Binary: 10001001001001000101110000110101000₂
• Hexadecimal: 0x44922E1A8
• Base-36: 8GEZKQ0

Squares and roots of 18406891944

• 18406891944 squared (18406891944²) is 338813671038092099136
• 18406891944 cubed (18406891944³) is 6236506631948123576716487760384
• The square root of 18406891944 is 135672.0013267291
• The cube root of 18406891944 is 2640.3418186881

Scales and comparisons

• 18,406,891,944 seconds is equal to 585 years, 14 weeks, 4 days, 17 hours, 32 minutes, 24 seconds.
• To count from 1 to 18,406,891,944 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 18406891944 cubic inches would be around 220 feet tall.

Recreational maths with 18406891944

• 18406891944 backwards is 44919860481
• The number of decimal digits it has is: 11
• The sum of 18406891944's digits is 54
• More coming soon!