21040381772816

Names of 21040381772816

• Cardinal: 21040381772816 can be written as Twenty-one trillion, forty billion, three hundred eighty-one million, seven hundred seventy-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1040381772816 × 10¹³

Factors of 21040381772816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7270

Divisors of 21040381772816

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 34 49 56 67 68 98 112 119 134 136 196 238 268 272 343 392 469 476 536 686 784 833 938 952 1072 1139 1372 1666 1876 1904 2278 2401 2744 3283 3332 3752 4489 4556 4802 5488 5831 6566 6664 7177 7504 7973 8978 9112 9604 11662 13132 13328 14354 15946 17956 18224 19208 22981 23324 26264 28708 31423 31892 35912 38416 40817 45962 46648 50239 52528 55811 57416 62846 63784 71824 76313 81634 91924 93296 100478 111622 114832 122009 125692 127568 152626 160867 163268 183848 200956 219961 223244 244018 251384 305252 321734 326536 351673 367696 390677 401912 439922 446488 480859 488036 502768 534191 610504 643468 653072 703346 781354 803824 854063 879844 892976 961718 976072 1068382 1221008 1286936 1406692 1539727 1562708 1708126 1759688 1923436 1952144 2136764 2461711 2573872 2734739 2813384 3079454 3125416 3366013 3416252 3519376 3739337 3846872 4273528 4923422 5469478 5626768 5978441 6158908 6250832 6732026 6832504 7478674 7693744 8174603 8547056 9846844 10778089 10938956 11956882 12317816 13464052 13665008 14957348 16349206 17231977 19693688 21556178 21877912 23562091 23913764 24635632 26175359 26928104 29914696 32217553 32698412 34463954 39387376 41849087 43112356 43755824 47124182 47827528 52350718 53856208 57222221 59829392 64435106 65396824 68927908 83698174 86224712 94248364 95655056 104701436 114444442 128870212 130793648 137855816 164934637 167396348 172449424 183227513 188496728 209402872 225522871 228888884 257740424 275711632 292943609 329869274 334792696 366455026 376993456 400555547 418805744 451045742 457777768 515480848 547698401 585887218 659738548 669585392 732910052 801111094 902091484 915555536 1095396802 1154542459 1171774436 1319477096 1465820104 1578660097 1602222188 1804182968 2190793604 2309084918 2343548872 2638954192 2803888829 2931640208 3157320194 3204444376 3608365936 3833888807 4381587208 4618169836 4687097744 5607777658 6314640388 6408888752 7667777614 8763174416 9236339672 11050620679 11215555316 12629280776 15335555228 18472679344 19627221803 22101241358 22431110632 25258561552 26837221649 30671110456 39254443606 44202482716 44862221264 53674443298 61342220912 77354344753 78508887212 88404965432 107348886596 154708689506 157017774424 176809930864 187860551543 214697773192 309417379012 314035548848 375721103086 429395546384 618834758024 751442206172 1237669516048 1315023860801 1502884412344 2630047721602 3005768824688 5260095443204 10520190886408 21040381772816
• Sum of all divisors σ(n): 51124584371868
• Sum of proper divisors (its aliquot sum) s(n): 30084202599052
• 21040381772816 is an abundant number, because the sum of its proper divisors (30084202599052) is greater than itself. Its abundance is 9043820826236

Bases of 21040381772816

• Binary: 100110010001011011000011110110100010000010000₂
• Hexadecimal: 0x1322D87B4410
• Base-36: 7GHTG270W

Squares and roots of 21040381772816

• 21040381772816 squared (21040381772816²) is 442697665145847763036569856
• 21040381772816 cubed (21040381772816³) is 9314527884602896289640631542224905834496
• The square root of 21040381772816 is 4586979.5914976557
• The cube root of 21040381772816 is 27606.9146072555

Scales and comparisons

• 21,040,381,772,816 seconds is equal to 669,019 years, 3 weeks, 4 hours, 26 minutes, 56 seconds.
• To count from 1 to 21,040,381,772,816 would take you about one million, six hundred seventy-two thousand, five hundred forty-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 21040381772816 cubic inches would be around 2300.6 feet tall.

Recreational maths with 21040381772816

• 21040381772816 backwards is 61827718304012
• The number of decimal digits it has is: 14
• The sum of 21040381772816's digits is 50
• More coming soon!