642659831424

Names of 642659831424

• Cardinal: 642659831424 can be written as Six hundred forty-two billion, six hundred fifty-nine million, eight hundred thirty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 6.42659831424 × 10¹¹

Factors of 642659831424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 8240

Divisors of 642659831424

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 64 72 78 93 96 104 117 124 128 144 156 169 186 192 208 234 248 279 288 312 338 372 384 403 416 468 496 507 558 576 624 676 744 806 832 936 992 1014 1116 1152 1209 1248 1352 1488 1521 1612 1664 1872 1984 2028 2197 2232 2418 2496 2704 2976 3042 3224 3627 3744 3968 4056 4394 4464 4836 4992 5239 5408 5952 6084 6448 6591 7254 7488 8112 8191 8788 8928 9672 10478 10816 11904 12168 12896 13182 14508 14976 15717 16224 16382 17576 17856 19344 19773 20956 21632 24336 24573 25792 26364 29016 31434 32448 32764 35152 35712 38688 39546 41912 47151 48672 49146 51584 52728 58032 62868 64896 65528 68107 70304 73719 77376 79092 83824 94302 97344 98292 105456 106483 116064 125736 131056 136214 140608 147438 154752 158184 167648 188604 194688 196584 204321 210912 212966 232128 251472 253921 262112 272428 281216 294876 316368 319449 335296 377208 393168 408642 421824 425932 464256 502944 507842 524224 544856 589752 612963 632736 638898 670592 754416 761763 786336 817284 843648 851864 958347 1005888 1015684 1048448 1089712 1179504 1225926 1265472 1277796 1384279 1508832 1523526 1572672 1634568 1703728 1916694 2011776 2031368 2179424 2285289 2359008 2451852 2530944 2555592 2768558 3017664 3047052 3145344 3269136 3300973 3407456 3833388 4062736 4152837 4358848 4570578 4718016 4903704 5111184 5537116 6035328 6094104 6538272 6601946 6814912 7666776 8125472 8305674 8717696 9141156 9436032 9807408 9902919 10222368 11074232 12188208 12458511 13076544 13203892 13629824 15333552 16250944 16611348 17995627 18282312 19614816 19805838 20444736 22148464 24376416 24917022 26153088 26407784 29708757 30667104 32501888 33222696 35991254 36564624 39229632 39611676 40889472 42912649 44296928 48752832 49834044 52815568 53986881 59417514 61334208 66445392 71982508 73129248 78459264 79223352 85825298 88593856 97505664 99668088 105631136 107973762 118835028 122668416 128737947 132890784 143965016 146258496 158446704 161960643 171650596 177187712 199336176 211262272 215947524 237670056 257475894 265781568 287930032 292516992 316893408 323921286 343301192 386213841 398672352 422524544 431895048 475340112 514951788 531563136 557864437 575860064 633786816 647842572 686602384 772427682 797344704 863790096 950680224 1029903576 1115728874 1151720128 1267573632 1295685144 1373204768 1544855364 1594689408 1673593311 1727580192 1901360448 2059807152 2231457748 2303440256 2591370288 2746409536 3089710728 3347186622 3455160384 3802720896 4119614304 4462915496 5020779933 5182740576 5492819072 6179421456 6694373244 6910320768 8239228608 8925830992 10041559866 10365481152 12358842912 13388746488 16478457216 17851661984 20083119732 20730962304 24717685824 26777492976 35703323968 40166239464 49435371648 53554985952 71406647936 80332478928 107109971904 160664957856 214219943808 321329915712 642659831424
• Sum of all divisors σ(n): 2068237516800
• Sum of proper divisors (its aliquot sum) s(n): 1425577685376
• 642659831424 is an abundant number, because the sum of its proper divisors (1425577685376) is greater than itself. Its abundance is 782917853952

Bases of 642659831424

• Binary: 1001010110100001100000101100111010000000₂
• Hexadecimal: 0x95A182CE80
• Base-36: 878F2JK0

Squares and roots of 642659831424

• 642659831424 squared (642659831424²) is 413011658925924097867776
• 642659831424 cubed (642659831424³) is 265426003101480965639124202001793024
• The square root of 642659831424 is 801660.6709973989
• The cube root of 642659831424 is 8629.6606618643

Scales and comparisons

• 642,659,831,424 seconds is equal to 20,434 years, 30 weeks, 6 days, 11 hours, 50 minutes, 24 seconds.
• To count from 1 to 642,659,831,424 would take you about forty thousand, eight hundred sixty-nine 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 642659831424 cubic inches would be around 719.1 feet tall.

Recreational maths with 642659831424

• 642659831424 backwards is 424138956246
• The number of decimal digits it has is: 12
• The sum of 642659831424's digits is 54
• More coming soon!