231218645904

Names of 231218645904

• Cardinal: 231218645904 can be written as Two hundred thirty-one billion, two hundred eighteen million, six hundred forty-five thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.31218645904 × 10¹¹

Factors of 231218645904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 61

Divisors of 231218645904

• Number of divisors d(n): 375
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 36 37 38 48 54 57 72 74 76 81 108 111 114 144 148 152 162 171 216 222 228 296 304 324 333 342 361 432 444 456 513 592 648 666 684 703 722 888 912 999 1026 1083 1296 1332 1368 1369 1406 1444 1539 1776 1998 2052 2109 2166 2664 2736 2738 2812 2888 2997 3078 3249 3996 4104 4107 4218 4332 5328 5476 5624 5776 5994 6156 6327 6498 6859 7992 8208 8214 8436 8664 9747 10952 11248 11988 12312 12321 12654 12996 13357 13718 15984 16428 16872 17328 18981 19494 20577 21904 23976 24624 24642 25308 25992 26011 26714 27436 29241 32856 33744 36963 37962 38988 40071 41154 47952 49284 50616 51984 52022 53428 54872 56943 58482 61731 65712 73926 75924 77976 78033 80142 82308 98568 101232 104044 106856 109744 110889 113886 116964 120213 123462 130321 147852 151848 155952 156066 160284 164616 185193 197136 208088 213712 221778 227772 233928 234099 240426 246924 253783 260642 295704 303696 312132 320568 329232 360639 370386 390963 416176 443556 455544 467856 468198 480852 493848 494209 507566 521284 555579 591408 624264 641136 702297 721278 740772 761349 781926 887112 911088 936396 961704 987696 988418 1015132 1042568 1081917 1111158 1172889 1248528 1404594 1442556 1481544 1482627 1522698 1563852 1774224 1872792 1923408 1976836 2030264 2085136 2106891 2163834 2222316 2284047 2345778 2809188 2885112 2963088 2965254 3045396 3127704 3518667 3745584 3953672 4060528 4213782 4327668 4444632 4447881 4568094 4691556 4821877 5618376 5770224 5930508 6090792 6255408 6852141 7037334 7907344 8427564 8655336 8889264 8895762 9136188 9383112 9389971 9643754 10556001 11236752 11861016 12181584 13343643 13704282 14074668 14465631 16855128 17310672 17791524 18272376 18766224 18779942 19287508 20556423 21112002 23722032 26687286 27408564 28149336 28169913 28931262 33710256 35583048 36544752 37559884 38575016 40030929 41112846 42224004 43396893 53374572 54817128 56298672 56339826 57862524 71166096 75119768 77150032 80061858 82225692 84448008 84509739 86793786 106749144 109634256 112679652 115725048 130190679 150239536 160123716 164451384 168896016 169019478 173587572 178409449 213498288 225359304 231450096 253529217 260381358 320247432 328902768 338038956 347175144 356818898 390572037 450718608 507058434 520762716 535228347 640494864 676077912 694350288 713637796 760587651 781144074 1014116868 1041525432 1070456694 1352155824 1427275592 1521175302 1562288148 1605685041 2028233736 2083050864 2140913388 2854551184 3042350604 3124576296 3211370082 4056467472 4281826776 4817055123 6084701208 6249152592 6422740164 8563653552 9634110246 12169402416 12845480328 14451165369 19268220492 25690960656 28902330738 38536440984 57804661476 77072881968 115609322952 231218645904
• Sum of all divisors σ(n): 725999774577
• Sum of proper divisors (its aliquot sum) s(n): 494781128673
• 231218645904 is an abundant number, because the sum of its proper divisors (494781128673) is greater than itself. Its abundance is 263562482769

Bases of 231218645904

• Binary: 11010111010101101101001000101110010000₂
• Hexadecimal: 0x35D5B48B90
• Base-36: 2Y7XM100

Squares and roots of 231218645904

• 231218645904 squared (231218645904²) is 53462062213679335977216
• 231218645904 cubed (231218645904³) is 12361425632282340770317754115723264
• 231218645904 is a perfect square number. Its square root is 480852
• The cube root of 231218645904 is 6137.7277107075

Scales and comparisons

• 231,218,645,904 seconds is equal to 7,352 years, 1 week, 6 days, 17 hours, 38 minutes, 24 seconds.
• To count from 1 to 231,218,645,904 would take you about fourteen thousand, seven hundred 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 231218645904 cubic inches would be around 511.5 feet tall.

Recreational maths with 231218645904

• 231218645904 backwards is 409546812132
• The number of decimal digits it has is: 12
• The sum of 231218645904's digits is 45
• More coming soon!