642323185518420

Names of 642323185518420

• Cardinal: 642323185518420 can be written as Six hundred forty-two trillion, three hundred twenty-three billion, one hundred eighty-five million, five hundred eighteen thousand, four hundred twenty.

Scientific notation

• Scientific notation: 6.4232318551842 × 10¹⁴

Factors of 642323185518420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 93

Divisors of 642323185518420

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 28 30 35 36 42 45 46 53 60 63 69 70 84 90 92 105 106 115 126 138 140 159 161 180 207 210 212 230 252 265 276 315 318 322 345 371 414 420 460 477 483 530 630 636 644 690 742 795 805 828 954 966 1035 1060 1113 1219 1260 1380 1449 1484 1590 1610 1855 1908 1932 2070 2226 2385 2415 2438 2809 2898 3180 3220 3339 3657 3710 4140 4452 4770 4830 4876 5565 5618 5796 6095 6678 7245 7314 7420 8427 8533 9540 9660 10971 11130 11236 12190 13356 14045 14490 14628 16695 16854 17066 18285 19663 21942 22260 24380 25281 25599 28090 28980 33390 33708 34132 36570 39326 42135 42665 43884 50562 51198 54855 56180 58989 64607 66780 73140 76797 78652 84270 85330 98315 101124 102396 109710 117978 126405 127995 129214 148877 153594 168540 170660 176967 193821 196630 219420 235956 252810 255990 258428 294945 297754 307188 323035 353934 383985 387642 393260 446631 452249 505620 511980 581463 589890 595508 646070 707868 744385 767970 775284 884835 893262 904498 969105 1042139 1162926 1179780 1292140 1339893 1356747 1488770 1535940 1769670 1786524 1808996 1938210 2084278 2233155 2261245 2325852 2679786 2713494 2907315 2977540 3126417 3424171 3539340 3876420 4070241 4168556 4466310 4522490 5210695 5359572 5426988 5814630 6252834 6699465 6783735 6848342 7890481 8140482 8932620 9044980 9379251 10272513 10421390 11629260 12505668 13398930 13567470 13696684 15632085 15780962 16280964 17120855 18758502 20351205 20545026 20842780 23671443 23969197 26797860 27134940 30817539 31264170 31561924 34241710 37517004 39452405 40702410 41090052 46896255 47342886 47938394 51362565 55233367 61635078 62528340 68483420 71014329 71907591 78904810 81404820 93792510 94685772 95876788 102725130 110466734 118357215 119845985 123270156 142028658 143815182 154087695 157809620 165700101 181481063 187585020 205450260 215722773 220933468 236714430 239691970 276166835 284057316 287630364 308175390 331400202 355071645 359537955 362962126 418195493 431445546 473428860 479383940 497100303 544443189 552333670 616350780 662800404 710143290 719075910 725924252 828500505 836390986 862891092 907405315 994200606 1078613865 1088886378 1104667340 1254586479 1270367441 1420286580 1438151820 1633329567 1657001010 1672781972 1814810630 1988401212 2090977465 2157227730 2177772756 2485501515 2509172958 2540734882 2722215945 2927368451 3266659134 3314002020 3629621260 3763759437 3811102323 4181954930 4314455460 4971003030 5018345916 5081469764 5444431890 5854736902 6272932395 6351837205 6533318268 7527518874 7622204646 8166647835 8363909860 8782105353 9618496339 9942006060 10888863780 11433306969 11709473804 12545864790 12703674410 14636842255 15055037748 15244409292 16333295670 17564210706 18818797185 19055511615 19236992678 22164361129 22866613938 25091729580 25407348820 26346316059 28855489017 29273684510 32666591340 35128421412 37637594370 38111023230 38473985356 43910526765 44328722258 45733227876 48092481695 52692632118 57166534845 57710978034 58547369020 66493083387 67329474373 75275188740 76222046460 86566467051 87821053530 88657444516 96184963390 105385264236 110821805645 114333069690 115421956068 131731580295 132986166774 134658948746 144277445085 155150527903 173132934102 175642107060 192369926780 199479250161 201988423119 221643611290 228666139380 263463160590 265972333548 269317897492 288554890170 310301055806 332465416935 336647371865 346265868204 398958500322 403976846238 432832335255 443287222580 465451583709 509780305967 526926321180 577109780340 605965269357 620602111612 664930833870 673294743730 775752639515 797917000644 807953692476 865664670510 930903167418 997396250805 1009942115595 1019560611934 1211930538714 1329861667740 1346589487460 1396354751127 1529340917901 1551505279030 1731329341020 1861806334836 1994792501610 2019884231190 2039121223868 2327257918545 2423861077428 2548901529835 2792709502254 3029826346785 3058681835802 3103010558060 3568462141769 3989585003220 4039768462380 4588022753703 4654515837090 5097803059670 5585419004508 6059652693570 6117363671604 6981773755635 7136924283538 7646704589505 9176045507406 9309031674180 10195606119340 10705386425307 12119305387140 13963547511270 14273848567076 15293409179010 17842310708845 18352091014812 21410772850614 22940113768515 27927095022540 30586818358020 32116159275921 35684621417690 42821545701228 45880227537030 53526932126535 64232318551842 71369242835380 91760455074060 107053864253070 128464637103684 160580796379605 214107728506140 321161592759210 642323185518420
• Sum of all divisors σ(n): 2368217657909376
• Sum of proper divisors (its aliquot sum) s(n): 1725894472390956
• 642323185518420 is an abundant number, because the sum of its proper divisors (1725894472390956) is greater than itself. Its abundance is 1083571286872536

Bases of 642323185518420

• Binary: 10010010000011000010000101010011011100011101010100₂
• Hexadecimal: 0x24830854DC754
• Base-36: 6BON74D4D0

Squares and roots of 642323185518420

• 642323185518420 squared (642323185518420²) is 412579074654530596404159296400
• 642323185518420 cubed (642323185518420³) is 265009105510340111244670898298851296439688000
• The square root of 642323185518420 is 25344095.6737150121
• The cube root of 642323185518420 is 86281.5356733693
• Being both a perfect square and a perfect cube, 642323185518420 is also a perfect sixth number.

Scales and comparisons

• 642,323,185,518,420 seconds is equal to 20,423,890 years, 24 weeks, 16 hours, 27 minutes.
• To count from 1 to 642,323,185,518,420 would take you about fifty-one million, fifty-nine thousand, seven hundred twenty-six 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 642323185518420 cubic inches would be around 7190.1 feet tall.

Recreational maths with 642323185518420

• 642323185518420 backwards is 024815581323246
• The number of decimal digits it has is: 15
• The sum of 642323185518420's digits is 54
• More coming soon!