20643842016

Names of 20643842016

• Cardinal: 20643842016 can be written as Twenty billion, six hundred forty-three million, eight hundred forty-two thousand and sixteen.

Scientific notation

• Scientific notation: 2.0643842016 × 10¹⁰

Factors of 20643842016

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3343

Divisors of 20643842016

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 32 34 36 42 48 51 56 63 68 72 84 96 102 112 119 126 136 144 153 168 193 204 224 238 252 272 288 306 336 357 386 408 476 504 544 579 612 672 714 772 816 952 1008 1071 1158 1224 1351 1428 1544 1632 1737 1904 2016 2142 2316 2448 2702 2856 3088 3121 3281 3474 3808 4053 4284 4632 4896 5404 5712 6176 6242 6562 6948 8106 8568 9264 9363 9843 10808 11424 12159 12484 13124 13896 16212 17136 18528 18726 19686 21616 21847 22967 24318 24968 26248 27792 28089 29529 32424 34272 37452 39372 43232 43694 45934 48636 49936 52496 53057 55584 56178 59058 64848 65541 68901 74904 78744 87388 91868 97272 99872 104992 106114 112356 118116 129696 131082 137802 149808 157488 159171 174776 183736 194544 196623 206703 212228 224712 236232 262164 275604 299616 314976 318342 349552 367472 371399 389088 393246 413406 424456 449424 472464 477513 524328 551208 602353 636684 699104 734944 742798 786492 826812 848912 898848 944928 955026 1048656 1102416 1114197 1204706 1273368 1485596 1572984 1653624 1697824 1807059 1910052 2097312 2204832 2228394 2409412 2546736 2971192 3145968 3307248 3342591 3614118 3820104 4216471 4456788 4818824 5093472 5421177 5942384 6291936 6614496 6685182 7228236 7640208 8432942 8913576 9637648 10240001 10842354 11884768 12649413 13370364 14456472 15280416 16865884 17827152 19275296 20480002 21684708 25298826 26740728 28912944 30720003 33731768 35654304 37948239 40960004 43369416 50597652 53481456 57825888 61440006 67463536 71680007 75896478 81920008 86738832 92160009 101195304 106962912 122880012 134927072 143360014 151792956 163840016 173477664 184320018 202390608 215040021 245760024 286720028 303585912 327680032 368640036 404781216 430080042 491520048 573440056 607171824 645120063 737280072 860160084 983040096 1146880112 1214343648 1290240126 1474560144 1720320168 2293760224 2580480252 2949120288 3440640336 5160960504 6881280672 10321921008 20643842016
• Sum of all divisors σ(n): 71430061248
• Sum of proper divisors (its aliquot sum) s(n): 50786219232
• 20643842016 is an abundant number, because the sum of its proper divisors (50786219232) is greater than itself. Its abundance is 30142377216

Bases of 20643842016

• Binary: 10011001110011110000000011111100000₂
• Hexadecimal: 0x4CE7807E0
• Base-36: 9HET6G0

Squares and roots of 20643842016

• 20643842016 squared (20643842016²) is 426168213181566944256
• 20643842016 cubed (20643842016³) is 8797749265161276720548742660096
• The square root of 20643842016 is 143679.6506677267
• The cube root of 20643842016 is 2743.2381316383

Scales and comparisons

• 20,643,842,016 seconds is equal to 656 years, 21 weeks, 2 days, 8 hours, 33 minutes, 36 seconds.
• To count from 1 to 20,643,842,016 would take you about one thousand, three hundred twelve 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 20643842016 cubic inches would be around 228.6 feet tall.

Recreational maths with 20643842016

• 20643842016 backwards is 61024834602
• 20643842016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20643842016's digits is 36
• More coming soon!