21333220425

Names of 21333220425

• Cardinal: 21333220425 can be written as Twenty-one billion, three hundred thirty-three million, two hundred twenty thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 2.1333220425 × 10¹⁰

Factors of 21333220425

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 203

Divisors of 21333220425

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 11 15 19 25 27 33 37 45 55 57 61 67 75 95 99 111 135 165 171 183 185 201 209 225 275 285 297 305 333 335 407 475 495 513 549 555 603 627 671 675 703 737 825 855 915 925 999 1005 1045 1159 1221 1273 1425 1485 1525 1647 1665 1675 1809 1881 2013 2035 2109 2211 2257 2475 2479 2565 2745 2775 3015 3135 3355 3477 3515 3663 3685 3819 4087 4275 4575 4995 5025 5225 5643 5795 6039 6105 6327 6365 6633 6771 7425 7437 7733 8235 8325 9045 9405 10065 10175 10431 10545 10989 11055 11285 11457 12261 12395 12749 12825 13725 14003 15075 15675 16775 17385 17575 18117 18315 18425 18981 19095 19899 20313 20435 22311 23199 24827 24975 27269 28215 28975 30195 30525 31293 31635 31825 33165 33855 34371 36783 37185 38247 38665 41175 42009 42883 44957 45225 47025 47101 50325 52155 52725 54945 55275 56425 57285 60939 61305 61975 63745 66933 69597 70015 74481 77653 81807 86925 90585 91575 94905 95475 99495 101565 102175 110349 111555 114741 115995 124135 126027 128649 134871 136345 141075 141303 150975 151219 156465 158175 165825 169275 171855 183915 185925 191235 193325 208791 210045 214415 223443 224785 232959 235505 245421 260775 274725 286425 304695 306525 318725 334665 344223 347985 350075 372405 378081 385947 388265 404613 409035 423909 452925 453657 471713 474525 497475 507825 518111 551745 557775 573705 579975 620675 630135 643245 670329 674355 681725 698877 706515 736263 756095 782325 854183 859275 919575 956175 1043955 1050225 1072075 1117215 1123925 1157841 1164795 1177525 1213839 1227105 1271727 1360971 1415139 1523475 1554333 1663409 1673325 1721115 1739925 1862025 1890405 1929735 1941325 2023065 2045175 2096631 2119545 2268285 2358565 2562549 2590555 2758725 2868525 2873161 3150675 3216225 3351645 3371775 3494385 3532575 3681315 3780475 4082913 4245417 4270915 4662999 4990227 5219775 5586075 5789205 5823975 6069195 6135525 6358635 6804855 7075695 7687647 7771665 8317045 8605575 8619483 9452025 9648675 10115325 10483155 10597725 11341425 11792825 12736251 12812745 12952775 13988997 14365805 14970681 16758225 17471925 18406575 20414565 21227085 21354575 23062941 23314995 24951135 25858449 28946025 30345975 31604771 31793175 34024275 35378475 38438235 38858325 41585225 43097415 44912043 52415775 63681255 64063725 69944985 71829025 74853405 77575347 94814313 102072825 106135425 115314705 116574975 124755675 129292245 158023855 192191175 215487075 224560215 284442939 318406275 349724925 374267025 387876735 474071565 576573525 646461225 790119275 853328817 1122801075 1422214695 1939383675 2370357825 4266644085 7111073475 21333220425
• Sum of all divisors σ(n): 47677900800
• Sum of proper divisors (its aliquot sum) s(n): 26344680375
• 21333220425 is an abundant number, because the sum of its proper divisors (26344680375) is greater than itself. Its abundance is 5011459950

Bases of 21333220425

• Binary: 10011110111100011110001110001001001₂
• Hexadecimal: 0x4F78F1C49
• Base-36: 9ST8Y89

Squares and roots of 21333220425

• 21333220425 squared (21333220425²) is 455106293701637180625
• 21333220425 cubed (21333220425³) is 9708882880341815157648664265625
• The square root of 21333220425 is 146058.9621522761
• The cube root of 21333220425 is 2773.4402045023

Scales and comparisons

• 21,333,220,425 seconds is equal to 678 years, 17 weeks, 1 day, 6 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,333,220,425 would take you about one thousand, three hundred fifty-six 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 21333220425 cubic inches would be around 231.1 feet tall.

Recreational maths with 21333220425

• 21333220425 backwards is 52402233312
• 21333220425 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21333220425's digits is 27
• More coming soon!