121664122818057728

Names of 121664122818057728

• Cardinal: 121664122818057728 can be written as One hundred twenty-one quadrillion, six hundred sixty-four trillion, one hundred twenty-two billion, eight hundred eighteen million, fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21664122818057728 × 10¹⁷

Factors of 121664122818057728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2718

Divisors of 121664122818057728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 23 32 46 64 92 128 184 256 368 512 529 736 1058 1472 2116 2693 2944 4232 5386 5888 8464 10772 11776 12167 16928 21544 24334 33856 43088 48668 61939 67712 86176 97336 123878 135424 172352 194672 247756 270848 344704 389344 495512 689408 778688 991024 1378816 1424597 1557376 1982048 2849194 3114752 3964096 5698388 6229504 7252249 7928192 11396776 14504498 15856384 22793552 29008996 31712768 32765731 45587104 58017992 65531462 91174208 116035984 131062924 166801727 182348416 232071968 262125848 333603454 364696832 464143936 524251696 667206908 729393664 928287872 1048503392 1334413816 1856575744 2097006784 2668827632 3713151488 3836439721 4194013568 5337655264 7672879442 8388027136 10675310528 15345758884 16776054272 21350621056 30691517768 42701242112 61383035536 85402484224 88238113583 122766071072 176476227166 245532142144 352952454332 491064284288 705904908664 982128568576 1411809817328 1964257137152 2823619634656 5647239269312 11294478538624 22588957077248 45177914154496
• Sum of all divisors σ(n): 121713350284987312
• Sum of proper divisors (its aliquot sum) s(n): 49227466929584
• 121664122818057728 is a deficient number, because the sum of its proper divisors (49227466929584) is less than itself. Its deficiency is 121614895351128144

Bases of 121664122818057728

• Binary: 110110000001111001110000000000110011110101101011000000000₂
• Hexadecimal: 0x1B03CE0067AD600
• Base-36: X9YBYFFB4E8

Squares and roots of 121664122818057728

• 121664122818057728 squared (121664122818057728²) is 14802158781087435114088078340521984
• 121664122818057728 cubed (121664122818057728³) is 1800891663914613380339132420745138364191472565092352
• The square root of 121664122818057728 is 348803845.7615651461
• 121664122818057728 is a perfect cube number. Its cube root is 495512

Scales and comparisons

• 121,664,122,818,057,728 seconds is equal to 3,868,542,773 years, 40 weeks, 1 day, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 121,664,122,818,057,728 would take you about eleven billion, six hundred five million, six hundred twenty-eight thousand, three hundred twenty-one 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 121664122818057728 cubic inches would be around 41292.7 feet tall.

Recreational maths with 121664122818057728

• 121664122818057728 backwards is 827750818221466121
• The number of decimal digits it has is: 18
• The sum of 121664122818057728's digits is 71
• More coming soon!