21427170233920

Names of 21427170233920

• Cardinal: 21427170233920 can be written as Twenty-one trillion, four hundred twenty-seven billion, one hundred seventy million, two hundred thirty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.142717023392 × 10¹³

Factors of 21427170233920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 839

Divisors of 21427170233920

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 160 176 220 242 320 352 440 484 605 704 821 880 968 1210 1642 1760 1936 2420 3284 3520 3872 4105 4840 6568 7744 8210 9031 9680 13136 16420 18062 19360 26272 32840 36124 38720 45155 52544 65680 72248 90310 99341 131360 144496 180620 198682 262720 288992 361240 397364 496705 577984 674041 722480 794728 993410 1348082 1444960 1589456 1986820 2696164 2889920 3178912 3370205 3973640 5392328 6357824 6740410 7414451 7947280 10784656 13480820 14828902 15894560 21569312 26961640 29657804 31789120 37072255 43138624 53923280 59315608 74144510 81558961 107846560 118631216 148289020 163117922 215693120 237262432 296578040 326235844 407794805 474524864 553387661 593156080 652471688 815589610 1106775322 1186312160 1304943376 1631179220 2213550644 2372624320 2609886752 2766938305 3262358440 4427101288 5219773504 5533876610 6087264271 6524716880 8854202576 11067753220 12174528542 13049433760 17708405152 22135506440 24349057084 26098867520 30436321355 35416810304 44271012880 48698114168 60872642710 66959906981 88542025760 97396228336 121745285420 133919813962 177084051520 194792456672 243490570840 267839627924 334799534905 389584913344 486981141680 535679255848 669599069810 973962283360 1071358511696 1339198139620 1947924566720 2142717023392 2678396279240 4285434046784 5356792558480 10713585116960 21427170233920
• Sum of all divisors σ(n): 56152020557304
• Sum of proper divisors (its aliquot sum) s(n): 34724850323384
• 21427170233920 is an abundant number, because the sum of its proper divisors (34724850323384) is greater than itself. Its abundance is 13297680089464

Bases of 21427170233920

• Binary: 100110111110011100110110111101100111001000000₂
• Hexadecimal: 0x137CE6DECE40
• Base-36: 7LFI7X9OG

Squares and roots of 21427170233920

• 21427170233920 squared (21427170233920²) is 459123624233387267518566400
• 21427170233920 cubed (21427170233920³) is 9837720054863106837629750027031052288000
• The square root of 21427170233920 is 4628949.1500685121
• The cube root of 21427170233920 is 27775.0557928495

Scales and comparisons

• 21,427,170,233,920 seconds is equal to 681,317 years, 38 weeks, 1 day, 11 hours, 38 minutes, 40 seconds.
• To count from 1 to 21,427,170,233,920 would take you about one million, seven hundred three thousand, two hundred ninety-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 21427170233920 cubic inches would be around 2314.6 feet tall.

Recreational maths with 21427170233920

• 21427170233920 backwards is 02933207172412
• The number of decimal digits it has is: 14
• The sum of 21427170233920's digits is 43
• More coming soon!