121408642255872

Names of 121408642255872

• Cardinal: 121408642255872 can be written as One hundred twenty-one trillion, four hundred eight billion, six hundred forty-two million, two hundred fifty-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.21408642255872 × 10¹⁴

Factors of 121408642255872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3325

Divisors of 121408642255872

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 61 64 96 122 128 183 192 244 256 366 384 488 512 732 768 976 1024 1464 1536 1952 2928 3072 3259 3721 3904 5856 6518 7442 7808 9777 11163 11712 13036 14884 15616 19554 22326 23424 26072 29768 31232 39108 44652 46848 52144 59536 62464 78216 89304 93696 104288 119072 156432 178608 187392 198799 208576 238144 312864 357216 397598 417152 476288 596397 625728 714432 795196 834304 952576 1192794 1251456 1428864 1590392 1668608 1905152 2385588 2502912 2857728 3180784 3337216 3810304 4771176 5005824 5715456 6361568 9542352 10011648 10621081 11430912 12126739 12723136 19084704 21242162 24253478 25446272 31863243 36380217 38169408 42484324 48506956 50892544 63726486 72760434 76338816 84968648 97013912 101785088 127452972 145520868 152677632 169937296 194027824 203570176 254905944 291041736 305355264 339874592 388055648 509811888 582083472 610710528 647885941 679749184 776111296 1019623776 1164166944 1295771882 1359498368 1552222592 1943657823 2039247552 2328333888 2591543764 2718996736 3104445184 3887315646 4078495104 4656667776 5183087528 5437993472 6208890368 7774631292 8156990208 9313335552 10366175056 10875986944 12417780736 15549262584 16313980416 18626671104 20732350112 31098525168 32627960832 37253342208 39521042401 41464700224 62197050336 79042084802 82929400448 118563127203 124394100672 158084169604 165858800896 237126254406 248788201344 316168339208 331717601792 474252508812 497576402688 632336678416 663435203584 948505017624 995152805376 1264673356832 1897010035248 1990305610752 2529346713664 3794020070496 5058693427328 7588040140992 10117386854656 15176080281984 20234773709312 30352160563968 40469547418624 60704321127936 121408642255872
• Sum of all divisors σ(n): 329091129840564
• Sum of proper divisors (its aliquot sum) s(n): 207682487584692
• 121408642255872 is an abundant number, because the sum of its proper divisors (207682487584692) is greater than itself. Its abundance is 86273845328820

Bases of 121408642255872

• Binary: 11011100110101110100110111111101000110000000000₂
• Hexadecimal: 0x6E6BA6FE8C00
• Base-36: 171ACYX5HC

Squares and roots of 121408642255872

• 121408642255872 squared (121408642255872²) is 14740058414414308157118480384
• 121408642255872 cubed (121408642255872³) is 1789570478866282605338295193303298340814848
• The square root of 121408642255872 is 11018558.9918043277
• The cube root of 121408642255872 is 49516.4917678595

Scales and comparisons

• 121,408,642,255,872 seconds is equal to 3,860,419 years, 14 weeks, 4 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 121,408,642,255,872 would take you about nine million, six hundred fifty-one thousand and forty-eight 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 121408642255872 cubic inches would be around 4126.4 feet tall.

Recreational maths with 121408642255872

• 121408642255872 backwards is 278552246804121
• The number of decimal digits it has is: 15
• The sum of 121408642255872's digits is 57
• More coming soon!