21987995331008

Names of 21987995331008

• Cardinal: 21987995331008 can be written as Twenty-one trillion, nine hundred eighty-seven billion, nine hundred ninety-five million, three hundred thirty-one thousand and eight.

Scientific notation

• Scientific notation: 2.1987995331008 × 10¹³

Factors of 21987995331008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 479

Divisors of 21987995331008

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 31 32 49 56 58 62 64 98 112 116 124 127 196 203 217 224 232 248 254 283 343 392 406 434 448 464 496 508 566 686 784 812 868 889 899 928 961 992 1016 1132 1372 1421 1519 1568 1624 1736 1778 1798 1856 1922 1981 1984 2032 2264 2744 2842 3038 3136 3248 3472 3556 3596 3683 3844 3937 3962 4064 4528 5488 5684 6076 6223 6293 6496 6727 6944 7112 7192 7366 7688 7874 7924 8128 8207 8773 9056 9947 10633 10976 11368 12152 12446 12586 12992 13454 13867 13888 14224 14384 14732 15376 15748 15848 16414 17546 18112 19894 21266 21952 22736 24304 24892 25172 25781 26908 27559 27734 27869 28448 28768 29464 30752 31496 31696 32828 35092 35941 39788 42532 43561 44051 45472 47089 48608 49784 50344 51562 53816 55118 55468 55738 56896 57449 57536 58928 61411 61504 62992 63392 65656 70184 71882 79576 85064 87122 88102 90944 94178 97069 97216 99568 100688 103124 107632 110236 110936 111476 114173 114898 117856 122047 122822 125984 126784 131312 140368 143764 159152 170128 174244 176204 180467 188356 192913 194138 195083 199136 201376 206248 215264 220472 221872 222952 228346 229796 235712 244094 245644 251587 251968 254417 262624 271963 280736 287528 308357 318304 329623 340256 348488 352408 360934 376712 385826 388276 390166 398272 402143 402752 412496 429877 430528 440944 443744 445904 456692 459592 488188 491288 503174 508834 525248 543926 561472 575056 616714 636608 659246 680512 696976 704816 721868 753424 771652 776552 780332 799211 804286 824992 854329 859754 881888 887488 891808 913384 919184 976376 982576 1006348 1017668 1042289 1087852 1114171 1150112 1233428 1263269 1318492 1350391 1365581 1393952 1409632 1443736 1506848 1543304 1553104 1560664 1598422 1608572 1649984 1708658 1719508 1761109 1763776 1780919 1783616 1826768 1838368 1903741 1952752 1965152 2012696 2035336 2084578 2175704 2228342 2300224 2466856 2526538 2636984 2700782 2731162 2787904 2815001 2819264 2887472 3009139 3013696 3086608 3106208 3121328 3196844 3217144 3417316 3439016 3522218 3539363 3561838 3653536 3676736 3807482 3905504 3930304 4025392 4070672 4169156 4351408 4456684 4933712 5053076 5273968 5401564 5462324 5594477 5630002 5774944 5980303 6018278 6173216 6212416 6242656 6393688 6434288 6834632 6878032 7044436 7078726 7123676 7296023 7307072 7614964 7799197 7811008 7886927 8050784 8141344 8338312 8702816 8913368 9559067 9867424 10106152 10547936 10803128 10924648 11188954 11260004 11549888 11960606 12036556 12327763 12346432 12466433 12485312 12787376 12868576 13326187 13669264 13756064 14088872 14157452 14247352 14592046 15229928 15598394 15773854 16101568 16282688 16676624 17405632 17826736 19118134 19734848 20212304 21095872 21606256 21849296 22377908 22520008 23921212 24073112 24655526 24775541 24932866 25574752 25737152 26652374 27338528 27512128 28177744 28314904 28494704 29184092 30459856 31196788 31547708 32310959 33353248 34539301 35653472 38236268 39161339 40424608 41862121 43212512 43698592 44755816 45040016 47842424 48146224 49311052 49551082 49865732 51072161 51149504 53304748 54594379 54677056 55208489 56355488 56629808 56989408 58368184 60919712 62393576 63095416 64621918 66706496 69078602 71306944 76472536 78322678 80849216 83724242 86425024 87265031 87397184 89511632 90080032 93283309 95684848 96292448 98622104 99102164 99731464 102144322 106609496 109188758 110416978 112710976 113259616 113978816 116736368 121839424 124787152 126190832 129243836 138157204 152945072 156645356 167448484 173428787 174530062 179023264 180160064 186566618 191369696 192584896 197244208 198204328 199462928 204288644 213218992 218377516 220833956 226176713 226519232 233472736 241775107 249574304 252381664 258487672 276314408 305890144 313290712 334896968 346857574 349060124 357505127 358046528 373133236 382160653 382739392 386459423 394488416 396408656 398925856 408577288 426437984 436755032 441667912 452353426 466945472 483550214 499148608 504763328 516975344 552628816 611780288 626581424 669793936 693715148 698120248 715010254 746266472 764321306 772918846 788976832 792817312 797851712 817154576 852875968 873510064 883335824 904706852 967100428 1001639729 1033950688 1105257632 1214001509 1253162848 1339587872 1387430296 1396240496 1430020508 1492532944 1528642612 1545837692 1583236991 1585634624 1634309152 1692425749 1747020128 1766671648 1809413704 1934200856 2003279458 2067901376 2210515264 2428003018 2506325696 2679175744 2705215961 2774860592 2792480992 2860041016 2985065888 3057285224 3091675384 3166473982 3268618304 3384851498 3494040256 3533343296 3618827408 3868401712 4006558916 4856006036 5410431922 5549721184 5584961984 5720082032 5970131776 6114570448 6183350768 6332947964 6769702996 7011478103 7237654816 7736803424 8013117832 9712012072 10820863844 11082658937 11099442368 11440164064 11846980243 12229140896 12366701536 12665895928 13539405992 14022956206 14475309632 15473606848 16026235664 19424024144 21641727688 22165317874 22880328128 23693960486 24458281792 24733403072 25331791856 27078811984 28045912412 32052471328 38848048288 43283455376 44330635748 47387920972 49080346721 50663583712 54157623968 56091824824 64104942656 77696096576 86566910752 88661271496 94775841944 98160693442 101327167424 108315247936 112183649648 173133821504 177322542992 189551683888 196321386884 224367299296 343562427047 354645085984 379103367776 392642773768 448734598592 687124854094 709290171968 758206735552 785285547536 1374249708188 1570571095072 2748499416376 3141142190144 5496998832752 10993997665504 21987995331008
• Sum of all divisors σ(n): 55012644864000
• Sum of proper divisors (its aliquot sum) s(n): 33024649532992
• 21987995331008 is an abundant number, because the sum of its proper divisors (33024649532992) is greater than itself. Its abundance is 11036654201984

Bases of 21987995331008

• Binary: 100111111111101111010101001101010100111000000₂
• Hexadecimal: 0x13FF7AA6A9C0
• Base-36: 7SL58PG3K

Squares and roots of 21987995331008

• 21987995331008 squared (21987995331008²) is 483471938676429607486296064
• 21987995331008 cubed (21987995331008³) is 10630578730290720304668251938575567552512
• The square root of 21987995331008 is 4689135.8831887139
• The cube root of 21987995331008 is 28015.2957800659

Scales and comparisons

• 21,987,995,331,008 seconds is equal to 699,150 years, 12 weeks, 2 days, 16 hours, 50 minutes, 8 seconds.
• To count from 1 to 21,987,995,331,008 would take you about one million, seven hundred forty-seven thousand, eight hundred seventy-five 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 21987995331008 cubic inches would be around 2334.6 feet tall.

Recreational maths with 21987995331008

• 21987995331008 backwards is 80013359978912
• The number of decimal digits it has is: 14
• The sum of 21987995331008's digits is 65
• More coming soon!