21035984736

Names of 21035984736

• Cardinal: 21035984736 can be written as Twenty-one billion, thirty-five million, nine hundred eighty-four thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1035984736 × 10¹⁰

Factors of 21035984736

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 790

Divisors of 21035984736

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 23 24 26 29 32 37 39 46 48 52 58 69 74 78 87 92 96 104 111 116 138 148 156 174 184 208 222 232 276 296 299 312 348 368 377 416 444 464 481 552 592 598 624 667 683 696 736 754 851 888 897 928 962 1073 1104 1131 1184 1196 1248 1334 1366 1392 1443 1508 1702 1776 1794 1924 2001 2049 2146 2208 2262 2392 2553 2668 2732 2784 2886 3016 3219 3404 3552 3588 3848 4002 4098 4292 4524 4784 5106 5336 5464 5772 6032 6438 6808 7176 7696 8004 8196 8584 8671 8879 9048 9568 10212 10672 10928 11063 11544 12064 12876 13616 13949 14352 15392 15709 16008 16392 17168 17342 17758 18096 19807 20424 21344 21856 22126 23088 24679 25271 25752 26013 26637 27232 27898 28704 31418 32016 32784 33189 34336 34684 35516 36192 39614 40848 41847 44252 46176 47127 49358 50542 51504 52026 53274 55796 59421 62836 64032 65568 66378 69368 71032 74037 75813 79228 81696 83694 88504 94254 98716 101084 103008 104052 106548 111592 118842 125672 132756 138736 142064 148074 151626 158456 167388 177008 188508 197432 202168 204217 208104 213096 223184 237684 251344 257491 265512 277472 284128 296148 303252 316912 320827 328523 334776 354016 377016 394864 404336 408434 416208 426192 446368 455561 475368 502688 514982 531024 581233 592296 606504 612651 633824 641654 657046 669552 732859 754032 772473 789728 808672 816868 832416 852384 911122 950736 962481 985569 1029964 1062048 1162466 1184592 1213008 1225302 1283308 1314092 1339104 1366683 1465718 1508064 1544946 1633736 1743699 1822244 1901472 1924962 1971138 2059928 2198577 2324932 2369184 2426016 2450604 2566616 2628184 2733366 2931436 3089892 3267472 3487398 3644488 3849924 3942276 4119856 4397154 4649864 4901208 5133232 5256368 5466732 5862872 5922293 6179784 6534944 6974796 7288976 7556029 7699848 7884552 8239712 8794308 9299728 9527167 9802416 10266464 10512736 10933464 11725744 11844586 12359568 13949592 14577952 15112058 15399696 15769104 16855757 17588616 17766879 18599456 19054334 19604832 21866928 22668087 23451488 23689172 24719136 27899184 28581501 30224116 30799392 31538208 33711514 35177232 35533758 38108668 43733856 45336174 47378344 50567271 55798368 57163002 60448232 67423028 70354464 71067516 76217336 90672348 94756688 101134542 114326004 120896464 134846056 142135032 152434672 181344696 189513376 202269084 219124841 228652008 241792928 269692112 284270064 304869344 362689392 404538168 438249682 457304016 539384224 568540128 657374523 725378784 809076336 876499364 914608032 1314749046 1618152672 1752998728 2629498092 3505997456 5258996184 7011994912 10517992368 21035984736
• Sum of all divisors σ(n): 66023838720
• Sum of proper divisors (its aliquot sum) s(n): 44987853984
• 21035984736 is an abundant number, because the sum of its proper divisors (44987853984) is greater than itself. Its abundance is 23951869248

Bases of 21035984736

• Binary: 10011100101110101111010011101100000₂
• Hexadecimal: 0x4E5D7A760
• Base-36: 9NWA5PC

Squares and roots of 21035984736

• 21035984736 squared (21035984736²) is 442512653813224989696
• 21035984736 cubed (21035984736³) is 9308689431101853078178813280256
• The square root of 21035984736 is 145037.8734537983
• The cube root of 21035984736 is 2760.4991367805

Scales and comparisons

• 21,035,984,736 seconds is equal to 668 years, 45 weeks, 5 days, 1 hour, 5 minutes, 36 seconds.
• To count from 1 to 21,035,984,736 would take you about one thousand, three hundred thirty-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 21035984736 cubic inches would be around 230 feet tall.

Recreational maths with 21035984736

• 21035984736 backwards is 63748953012
• 21035984736 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21035984736's digits is 48
• More coming soon!