18631642420569456

Names of 18631642420569456

• Cardinal: 18631642420569456 can be written as Eighteen quadrillion, six hundred thirty-one trillion, six hundred forty-two billion, four hundred twenty million, five hundred sixty-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8631642420569456 × 10¹⁶

Factors of 18631642420569456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7538

Divisors of 18631642420569456

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 283 372 496 558 566 744 849 1116 1132 1488 1698 2232 2264 2547 3396 4464 4528 5094 6792 7219 8773 10188 13584 14438 17546 20376 21657 26319 28876 35092 40752 43314 52638 57752 64971 70184 78957 80089 86628 105276 115504 129942 140368 157914 160178 173256 210552 223789 240267 259884 315828 320356 346512 421104 447578 480534 519768 631656 640712 671367 720801 895156 961068 1039536 1263312 1281424 1342734 1441602 1790312 1922136 2014101 2042977 2482759 2685468 2883204 3580624 3844272 4028202 4085954 4965518 5370936 5766408 6128931 7448277 8056404 8171908 9931036 10741872 11532816 12257862 14896554 16112808 16343816 18386793 19862072 22344831 24515724 29793108 32225616 32687632 36773586 39724144 44689662 49031448 52113961 59586216 63332287 73547172 89379324 98062896 104227922 119172432 126664574 147094344 156341883 178758648 189996861 208455844 253329148 294188688 312683766 357517296 379993722 416911688 469025649 506658296 569990583 578162491 625367532 759987444 833823376 938051298 1013316592 1139981166 1156324982 1250735064 1519974888 1615532791 1734487473 1876102596 2279962332 2312649964 2501470128 3039949776 3231065582 3468974946 3752205192 4559924664 4625299928 4846598373 5203462419 6462131164 6937949892 7504410384 9119849328 9250599856 9693196746 10406924838 12924262328 13875899784 14539795119 14748250963 17923037221 19386393492 20813849676 25848524656 27751799568 29079590238 29496501926 35846074442 38772786984 41627699352 44244752889 53769111663 58159180476 58993003852 71692148884 77545573968 83255398704 88489505778 107538223326 116318360952 117986007704 132734258667 143384297768 161307334989 176979011556 215076446652 232636721904 235972015408 265468517334 286768595536 322614669978 353958023112 430152893304 457195779853 530937034668 645229339956 707916046224 860305786608 914391559706 1061874069336 1290458679912 1371587339559 1828783119412 2123748138672 2580917359824 2743174679118 3657566238824 4114762018677 4173755022529 5486349358236 7315132477648 8229524037354 8347510045058 10972698716472 12521265067587 16459048074708 16695020090116 21945397432944 25042530135174 32918096149416 33390040180232 37563795202761 50085060270348 65836192298832 66780080360464 75127590405522 100170120540696 129386405698399 150255180811044 200340241081392 258772811396798 300510361622088 388159217095197 517545622793596 601020723244176 776318434190394 1035091245587192 1164477651285591 1552636868380788 2070182491174384 2328955302571182 3105273736761576 4657910605142364 6210547473523152 9315821210284728 18631642420569456
• Sum of all divisors σ(n): 54023093735895648
• Sum of proper divisors (its aliquot sum) s(n): 35391451315326192
• 18631642420569456 is an abundant number, because the sum of its proper divisors (35391451315326192) is greater than itself. Its abundance is 16759808894756736

Bases of 18631642420569456

• Binary: 1000010001100010110000101001100000011110110010101110000₂
• Hexadecimal: 0x4231614C0F6570
• Base-36: 53GD6D6GE40

Squares and roots of 18631642420569456

• 18631642420569456 squared (18631642420569456²) is 347138099287963257532171320135936
• 18631642420569456 cubed (18631642420569456³) is 6467752936489467897905914087733345495284449570816
• The square root of 18631642420569456 is 136497774.4161766763
• The cube root of 18631642420569456 is 265104.4677497961

Scales and comparisons

• 18,631,642,420,569,456 seconds is equal to 592,428,597 years, 27 weeks, 7 hours, 57 minutes, 36 seconds.
• To count from 1 to 18,631,642,420,569,456 would take you about one billion, seven hundred seventy-seven million, two hundred eighty-five thousand, seven hundred ninety-two 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 18631642420569456 cubic inches would be around 22092 feet tall.

Recreational maths with 18631642420569456

• 18631642420569456 backwards is 65496502424613681
• 18631642420569456 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18631642420569456's digits is 72
• More coming soon!