20400819478272

Names of 20400819478272

• Cardinal: 20400819478272 can be written as Twenty trillion, four hundred billion, eight hundred nineteen million, four hundred seventy-eight thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 2.0400819478272 × 10¹³

Factors of 20400819478272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9213899

Divisors of 20400819478272

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 256 279 288 372 384 496 558 576 744 768 961 992 1116 1152 1488 1922 1984 2232 2304 2883 2976 3844 3968 4464 5766 5952 7688 7936 8649 8928 11532 11904 15376 17298 17856 23064 23808 30752 34596 35712 46128 61504 69192 71424 92256 123008 138384 184512 246016 276768 369024 553536 738048 1107072 2214144 9213863 18427726 27641589 36855452 55283178 73710904 82924767 110566356 147421808 165849534 221132712 285629753 294843616 331699068 442265424 571259506 589687232 663398136 856889259 884530848 1142519012 1179374464 1326796272 1713778518 1769061696 2285038024 2358748928 2570667777 2653592544 3427557036 3538123392 4570076048 5141335554 5307185088 6855114072 7076246784 8854522343 9140152096 10282671108 10614370176 13710228144 17709044686 18280304192 20565342216 21228740352 26563567029 27420456288 35418089372 36560608384 41130684432 53127134058 54840912576 70836178744 73121216768 79690701087 82261368864 106254268116 109681825152 141672357488 159381402174 164522737728 212508536232 219363650304 283344714976 318762804348 329045475456 425017072464 566689429952 637525608696 658090950912 850034144928 1133378859904 1275051217392 1700068289856 2266757719808 2550102434784 3400136579712 5100204869568 6800273159424 10200409739136 20400819478272
• Sum of all divisors σ(n): 60779244662136
• Sum of proper divisors (its aliquot sum) s(n): 40378425183864
• 20400819478272 is an abundant number, because the sum of its proper divisors (40378425183864) is greater than itself. Its abundance is 19977605705592

Bases of 20400819478272

• Binary: 100101000110111101111100110010001111100000000₂
• Hexadecimal: 0x128DEF991F00
• Base-36: 78C096M80

Squares and roots of 20400819478272

• 20400819478272 squared (20400819478272²) is 416193435385042238280105984
• 20400819478272 cubed (20400819478272³) is 8490687143332108738982234867103745179648
• The square root of 20400819478272 is 4516726.6331129673
• The cube root of 20400819478272 is 27324.3100282441

Scales and comparisons

• 20,400,819,478,272 seconds is equal to 648,682 years, 49 weeks, 4 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 20,400,819,478,272 would take you about one million, six hundred twenty-one thousand, seven hundred 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 20400819478272 cubic inches would be around 2277 feet tall.

Recreational maths with 20400819478272

• 20400819478272 backwards is 27287491800402
• The number of decimal digits it has is: 14
• The sum of 20400819478272's digits is 54
• More coming soon!