18639390136896

Names of 18639390136896

• Cardinal: 18639390136896 can be written as Eighteen trillion, six hundred thirty-nine billion, three hundred ninety million, one hundred thirty-six thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.8639390136896 × 10¹³

Factors of 18639390136896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1049

Divisors of 18639390136896

• Number of divisors d(n): 315
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 64 72 81 96 108 122 144 162 183 192 216 244 288 324 366 432 488 549 576 648 732 864 976 983 1098 1296 1464 1647 1728 1952 1966 2196 2592 2928 2949 3294 3721 3904 3932 4392 4941 5184 5856 5898 6588 7442 7864 8784 8847 9882 11163 11712 11796 13176 14884 15728 17568 17694 19764 22326 23592 26352 26541 29768 31456 33489 35136 35388 39528 44652 47184 52704 53082 59536 59963 62912 66978 70776 79056 79623 89304 94368 100467 105408 106164 119072 119926 133956 141552 158112 159246 178608 179889 188736 200934 212328 238144 239852 267912 283104 301401 316224 318492 357216 359778 401868 424656 479704 535824 539667 566208 602802 636984 714432 719556 803736 849312 959408 966289 1071648 1079334 1205604 1273968 1439112 1607472 1619001 1698624 1918816 1932578 2143296 2158668 2411208 2547936 2878224 2898867 3214944 3238002 3657743 3837632 3865156 4317336 4822416 4857003 5095872 5756448 5797734 6429888 6476004 7315486 7730312 8634672 8696601 9644832 9714006 10973229 11512896 11595468 12952008 14630972 15460624 17269344 17393202 19289664 19428012 21946458 23190936 25904016 26089803 29261944 30921248 32919687 34538688 34786404 38856024 43892916 46381872 51808032 52179606 58523888 58943629 61842496 65839374 69572808 77712048 78269409 87785832 92763744 98759061 103616064 104359212 117047776 117887258 131678748 139145616 155424096 156538818 175571664 176830887 185527488 197518122 208718424 234095552 235774516 263357496 278291232 296277183 310848192 313077636 351143328 353661774 395036244 417436848 471549032 526714992 530492661 556582464 592554366 626155272 702286656 707323548 790072488 834873696 943098064 1053429984 1060985322 1185108732 1252310544 1414647096 1580144976 1591477983 1669747392 1886196128 2106859968 2121970644 2370217464 2504621088 2829294192 3160289952 3182955966 3595561369 3772392256 4243941288 4740434928 4774433949 5009242176 5658588384 6320579904 6365911932 7191122738 8487882576 9480869856 9548867898 10786684107 11317176768 12731823864 14382245476 16975765152 18961739712 19097735796 21573368214 25463647728 28764490952 32360052321 33951530304 38195471592 43146736428 50927295456 57528981904 64720104642 76390943184 86293472856 97080156963 101854590912 115057963808 129440209284 152781886368 172586945712 194160313926 230115927616 258880418568 291240470889 305563772736 345173891424 388320627852 517760837136 582480941778 690347782848 776641255704 1035521674272 1164961883556 1553282511408 2071043348544 2329923767112 3106565022816 4659847534224 6213130045632 9319695068448 18639390136896
• Sum of all divisors σ(n): 56230830494553
• Sum of proper divisors (its aliquot sum) s(n): 37591440357657
• 18639390136896 is an abundant number, because the sum of its proper divisors (37591440357657) is greater than itself. Its abundance is 18952050220761

Bases of 18639390136896

• Binary: 100001111001111010010001110100101101001000000₂
• Hexadecimal: 0x10F3D23A5A40
• Base-36: 6LUTFMS00

Squares and roots of 18639390136896

• 18639390136896 squared (18639390136896²) is 347426864675415885620514816
• 18639390136896 cubed (18639390136896³) is 6475824874723648170881900734108236251136
• 18639390136896 is a perfect square number. Its square root is 4317336
• The cube root of 18639390136896 is 26514.1209359033

Scales and comparisons

• 18,639,390,136,896 seconds is equal to 592,674 years, 49 weeks, 3 days, 3 hours, 21 minutes, 36 seconds.
• To count from 1 to 18,639,390,136,896 would take you about one million, four hundred eighty-one thousand, six hundred eighty-seven 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 18639390136896 cubic inches would be around 2209.5 feet tall.

Recreational maths with 18639390136896

• 18639390136896 backwards is 69863109393681
• 18639390136896 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18639390136896's digits is 72
• More coming soon!