21076704768

Names of 21076704768

• Cardinal: 21076704768 can be written as Twenty-one billion, seventy-six million, seven hundred four thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1076704768 × 10¹⁰

Factors of 21076704768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 280049

Divisors of 21076704768

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 256 294 336 384 392 448 512 588 672 768 784 896 1176 1344 1536 1568 1792 2352 2688 3136 3584 4704 5376 6272 9408 10752 12544 18816 25088 37632 75264 280037 560074 840111 1120148 1680222 1960259 2240296 3360444 3920518 4480592 5880777 6720888 7841036 8961184 11761554 13441776 13721813 15682072 17922368 23523108 26883552 27443626 31364144 35844736 41165439 47046216 53767104 54887252 62728288 71689472 82330878 94092432 107534208 109774504 125456576 143378944 164661756 188184864 215068416 219549008 250913152 329323512 376369728 430136832 439098016 501826304 658647024 752739456 878196032 1003652608 1317294048 1505478912 1756392064 2634588096 3010957824 3512784128 5269176192 7025568256 10538352384 21076704768
• Sum of all divisors σ(n): 65317183272
• Sum of proper divisors (its aliquot sum) s(n): 44240478504
• 21076704768 is an abundant number, because the sum of its proper divisors (44240478504) is greater than itself. Its abundance is 23163773736

Bases of 21076704768

• Binary: 10011101000010001001111111000000000₂
• Hexadecimal: 0x4E844FE00
• Base-36: 9OKIXHC

Squares and roots of 21076704768

• 21076704768 squared (21076704768²) is 444227483877433933824
• 21076704768 cubed (21076704768³) is 9362851527516154920633297272832
• The square root of 21076704768 is 145178.1828237289
• The cube root of 21076704768 is 2762.2791843537

Scales and comparisons

• 21,076,704,768 seconds is equal to 670 years, 9 weeks, 8 hours, 12 minutes, 48 seconds.
• To count from 1 to 21,076,704,768 would take you about one thousand, three hundred forty 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 21076704768 cubic inches would be around 230.2 feet tall.

Recreational maths with 21076704768

• 21076704768 backwards is 86740767012
• 21076704768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21076704768's digits is 48
• More coming soon!