121538421018624

Names of 121538421018624

• Cardinal: 121538421018624 can be written as One hundred twenty-one trillion, five hundred thirty-eight billion, four hundred twenty-one million, eighteen thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 1.21538421018624 × 10¹⁴

Factors of 121538421018624

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 33178

Divisors of 121538421018624

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 107 128 192 214 256 321 384 428 512 642 768 856 1024 1284 1536 1712 2048 2568 3072 3083 3424 4096 5136 6144 6166 6848 9249 10272 12288 12332 13696 18498 20544 24664 27392 29983 36996 41088 49328 54784 59966 73992 82176 89949 98656 109568 119932 147984 164352 179898 197312 219136 239864 295968 328704 329881 359796 394624 438272 479728 591936 657408 659762 719592 789248 959456 989643 1183872 1314816 1319524 1439184 1578496 1918912 1979286 2367744 2639048 2878368 3156992 3208181 3837824 3958572 4735488 5278096 5756736 6313984 6416362 7675648 7917144 9470976 9624543 10556192 11513472 12627968 12832724 15351296 15834288 18941952 19249086 21112384 23026944 25665448 30702592 31668576 37883904 38498172 42224768 46053888 51330896 61405184 63337152 76996344 84449536 92107776 92437589 102661792 122810368 126674304 153992688 168899072 184215552 184875178 205323584 253348608 277312767 307985376 337798144 368431104 369750356 410647168 506697216 554625534 615970752 675596288 739500712 821294336 1013394432 1109251068 1231941504 1351192576 1479001424 1642588672 2026788864 2218502136 2463883008 2958002848 3285177344 4053577728 4437004272 4927766016 5916005696 6570354688 8874008544 9855532032 9890822023 11832011392 13140709376 17748017088 19711064064 19781644046 23664022784 29672466069 35496034176 39422128128 39563288092 47328045568 59344932138 70992068352 79126576184 94656091136 118689864276 141984136704 158253152368 189312182272 237379728552 283968273408 316506304736 378624364544 474759457104 567936546816 633012609472 949518914208 1135873093632 1266025218944 1899037828416 2532050437888 3798075656832 5064100875776 7596151313664 10128201751552 15192302627328 20256403503104 30384605254656 40512807006208 60769210509312 121538421018624
• Sum of all divisors σ(n): 327208525903872
• Sum of proper divisors (its aliquot sum) s(n): 205670104885248
• 121538421018624 is an abundant number, because the sum of its proper divisors (205670104885248) is greater than itself. Its abundance is 84131683866624

Bases of 121538421018624

• Binary: 11011101000100111011110011010010101000000000000₂
• Hexadecimal: 0x6E89DE695000
• Base-36: 172XZ9UFPC

Squares and roots of 121538421018624

• 121538421018624 squared (121538421018624²) is 14771587783700304105754853376
• 121538421018624 cubed (121538421018624³) is 1795315455168930549116896356071137685274624
• The square root of 121538421018624 is 11024446.5175637729
• The cube root of 121538421018624 is 49534.1288996055

Scales and comparisons

• 121,538,421,018,624 seconds is equal to 3,864,545 years, 43 weeks, 6 days, 17 hours, 10 minutes, 24 seconds.
• To count from 1 to 121,538,421,018,624 would take you about nine million, six hundred sixty-one thousand, three hundred sixty-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 121538421018624 cubic inches would be around 4127.8 feet tall.

Recreational maths with 121538421018624

• 121538421018624 backwards is 426810124835121
• 121538421018624 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121538421018624's digits is 48
• More coming soon!