20818736620

Names of 20818736620

• Cardinal: 20818736620 can be written as Twenty billion, eight hundred eighteen million, seven hundred thirty-six thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.081873662 × 10¹⁰

Factors of 20818736620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 39381

Divisors of 20818736620

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 127 190 209 220 254 380 418 508 635 836 1045 1270 1397 2090 2413 2540 2794 4180 4826 5588 6985 9652 12065 13970 24130 26543 27940 39217 48260 53086 78434 106172 132715 156868 196085 265430 392170 431387 530860 745123 784340 862774 1490246 1725548 2156935 2980492 3725615 4313870 4980559 7451230 8196353 8627740 9961118 14902460 16392706 19922236 24902795 32785412 40981765 49805590 54786149 81963530 94630621 99611180 109572298 163927060 189261242 219144596 273930745 378522484 473153105 547861490 946306210 1040936831 1095722980 1892612420 2081873662 4163747324 5204684155 10409368310 20818736620
• Sum of all divisors σ(n): 50600632320
• Sum of proper divisors (its aliquot sum) s(n): 29781895700
• 20818736620 is an abundant number, because the sum of its proper divisors (29781895700) is greater than itself. Its abundance is 8963159080

Bases of 20818736620

• Binary: 10011011000111001001011010111101100₂
• Hexadecimal: 0x4D8E4B5EC
• Base-36: 9KAXRZG

Squares and roots of 20818736620

• 20818736620 squared (20818736620²) is 433419794452929024400
• 20818736620 cubed (20818736620³) is 9023252546610066346537153528000
• The square root of 20818736620 is 144286.9939391627
• The cube root of 20818736620 is 2750.9632601291

Scales and comparisons

• 20,818,736,620 seconds is equal to 661 years, 50 weeks, 3 days, 14 hours, 23 minutes, 40 seconds.
• To count from 1 to 20,818,736,620 would take you about one thousand, three hundred twenty-three 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 20818736620 cubic inches would be around 229.2 feet tall.

Recreational maths with 20818736620

• 20818736620 backwards is 02663781802
• The number of decimal digits it has is: 11
• The sum of 20818736620's digits is 43
• More coming soon!