21299128032

Names of 21299128032

• Cardinal: 21299128032 can be written as Twenty-one billion, two hundred ninety-nine million, one hundred twenty-eight thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1299128032 × 10¹⁰

Factors of 21299128032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 16537

Divisors of 21299128032

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 78 84 91 96 104 112 149 156 168 182 208 224 273 298 312 336 364 416 447 546 596 624 672 728 894 1043 1092 1192 1248 1456 1788 1937 2086 2184 2384 2912 3129 3576 3874 4172 4368 4768 5811 6258 7152 7748 8344 8736 11622 12516 13559 14304 15496 16363 16688 23244 25032 27118 30992 32726 33376 40677 46488 49089 50064 54236 61984 65452 81354 92976 98178 100128 108472 114541 130904 162708 185952 196356 212719 216944 229082 261808 325416 343623 392712 425438 433888 458164 523616 638157 650832 687246 785424 850876 916328 1276314 1301664 1374492 1489033 1570848 1701752 1832656 2438087 2552628 2748984 2978066 3403504 3665312 4467099 4876174 5105256 5497968 5956132 6807008 7314261 8934198 9752348 10210512 10995936 11912264 14628522 17066609 17868396 19504696 20421024 23824528 29257044 31695131 34133218 35736792 39009392 47649056 51199827 58514088 63390262 68266436 71473584 78018784 95085393 102399654 117028176 126780524 136532872 142947168 190170786 204799308 221865917 234056352 253561048 273065744 380341572 409598616 443731834 507122096 546131488 665597751 760683144 819197232 887463668 1014244192 1331195502 1521366288 1638394464 1774927336 2662391004 3042732576 3549854672 5324782008 7099709344 10649564016 21299128032
• Sum of all divisors σ(n): 69278630400
• Sum of proper divisors (its aliquot sum) s(n): 47979502368
• 21299128032 is an abundant number, because the sum of its proper divisors (47979502368) is greater than itself. Its abundance is 26680374336

Bases of 21299128032

• Binary: 10011110101100001101110011011100000₂
• Hexadecimal: 0x4F586E6E0
• Base-36: 9S8Y8DC

Squares and roots of 21299128032

• 21299128032 squared (21299128032²) is 453652854923528193024
• 21299128032 cubed (21299128032³) is 9662410239098548552379785248768
• The square root of 21299128032 is 145942.2078495457
• The cube root of 21299128032 is 2771.9620150173

Scales and comparisons

• 21,299,128,032 seconds is equal to 677 years, 12 weeks, 5 days, 16 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,299,128,032 would take you about one thousand, three 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 21299128032 cubic inches would be around 231 feet tall.

Recreational maths with 21299128032

• 21299128032 backwards is 23082199212
• 21299128032 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21299128032's digits is 39
• More coming soon!