21378092603456736

Names of 21378092603456736

• Cardinal: 21378092603456736 can be written as Twenty-one quadrillion, three hundred seventy-eight trillion, ninety-two billion, six hundred three million, four hundred fifty-six thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1378092603456736 × 10¹⁶

Factors of 21378092603456736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3256423

Divisors of 21378092603456736

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 3256411 6512822 9769233 13025644 19538466 22794877 26051288 29307699 39076932 45589754 52102576 58615398 68384631 78153864 91179508 104205152 117230796 136769262 156307728 182359016 205153893 234461592 273538524 312615456 364718032 410307786 468923184 547077048 729436064 820615572 937846368 1094154096 1641231144 2188308192 3282462288 6564924576 10604212600921 21208425201842 31812637802763 42416850403684 63625275605526 74229488206447 84833700807368 95437913408289 127250551211052 148458976412894 169667401614736 190875826816578 222688464619341 254501102422104 296917952825788 339334803229472 381751653633156 445376929238682 509002204844208 593835905651576 668065393858023 763503307266312 890753858477364 1018004409688416 1187671811303152 1336130787716046 1527006614532624 1781507716954728 2375343622606304 2672261575432092 3054013229065248 3563015433909456 5344523150864184 7126030867818912 10689046301728368 21378092603456736
• Sum of all divisors σ(n): 69478822297245816
• Sum of proper divisors (its aliquot sum) s(n): 48100729693789080
• 21378092603456736 is an abundant number, because the sum of its proper divisors (48100729693789080) is greater than itself. Its abundance is 26722637090332344

Bases of 21378092603456736

• Binary: 1001011111100110100001100001111100110101011110011100000₂
• Hexadecimal: 0x4BF3430F9ABCE0
• Base-36: 5UHWG5U3QW0

Squares and roots of 21378092603456736

• 21378092603456736 squared (21378092603456736²) is 457022843361971604615456223773696
• 21378092603456736 cubed (21378092603456736³) is 9770276667287331597511498819732408217392190816256
• The square root of 21378092603456736 is 146212491.2702630069
• The cube root of 21378092603456736 is 277538.3388999057

Scales and comparisons

• 21,378,092,603,456,736 seconds is equal to 679,757,218 years, 2 days, 19 hours, 45 minutes, 36 seconds.
• To count from 1 to 21,378,092,603,456,736 would take you about two billion, thirty-nine million, two hundred seventy-one thousand, six hundred fifty-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 21378092603456736 cubic inches would be around 23128.2 feet tall.

Recreational maths with 21378092603456736

• 21378092603456736 backwards is 63765430629087312
• 21378092603456736 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21378092603456736's digits is 72
• More coming soon!