21379882069452375

Names of 21379882069452375

• Cardinal: 21379882069452375 can be written as Twenty-one quadrillion, three hundred seventy-nine trillion, eight hundred eighty-two billion, sixty-nine million, four hundred fifty-two thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.1379882069452375 × 10¹⁶

Factors of 21379882069452375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 785

Divisors of 21379882069452375

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 15 21 25 31 35 45 49 63 75 93 105 125 147 155 175 217 225 245 279 315 375 441 465 525 651 735 739 775 875 961 1085 1125 1225 1395 1519 1575 1953 2205 2217 2325 2625 2883 3255 3675 3695 3875 4557 4805 5173 5425 6125 6651 6727 6975 7595 7875 8649 9765 11025 11085 11625 13671 14415 15519 16275 18375 18475 20181 22785 22909 24025 25865 27125 33255 33635 34875 36211 37975 43245 46557 47089 48825 55125 55425 60543 68355 68727 72075 77595 81375 92375 100905 108633 113925 114545 120125 129325 141267 160363 166275 168175 181055 189875 206181 216225 232785 235445 244125 277125 302715 325899 341775 343635 360375 387975 423801 481089 504525 543165 546121 569625 572725 646625 706335 710179 801815 831375 840875 905275 1030905 1081125 1122541 1163925 1177225 1443267 1513575 1629495 1638363 1708875 1718175 1939875 2119005 2130537 2405445 2522625 2715825 2730605 2863625 3367623 3531675 3550895 3822847 4009075 4526375 4915089 4971253 5154525 5612705 5819625 5886125 6391611 7216335 7567875 8147475 8191815 8590875 10102869 10595025 10652685 11468541 12027225 13579125 13653025 14913759 16838115 16929751 17658375 17754475 19114235 20045375 24575445 24856265 25772625 26759929 28063525 31958055 34405623 34798771 36081675 40737375 40959075 44741277 50514345 50789253 52975125 53263425 57342705 60136125 68265125 74568795 80279787 84190575 84648755 88772375 95571175 104396313 118508257 122877225 124281325 133799645 140317625 152367759 159790275 172028115 173993855 180408375 204795375 223706385 240839361 252571725 253946265 266317125 286713525 313188939 355524771 372843975 401398935 403583419 420952875 423243775 477855875 521981565 524822281 592541285 614386125 621406625 668998225 761838795 798951375 829557799 860140575 869969275 1066574313 1118531925 1204196805 1210750257 1262858625 1269731325 1433567625 1565944695 1574466843 1777623855 1864219875 2006994675 2017917095 2116218875 2488673397 2609907825 2624111405 2825083933 2962706425 3344991125 3632250771 3673755967 3809193975 4147788995 4300702875 4349846375 4723400529 5332871565 5592659625 6020984025 6053751285 6348656625 7466020191 7829723475 7872334215 8475251799 8888119275 10034973375 10089585475 11021267901 12443366985 12511085989 13049539125 13120557025 14125419665 14813532125 18161253855 18368779835 19045969875 19775587531 20738944975 23617002645 25425755397 25716291769 26664357825 30104920125 30268756425 33063803703 37330100955 37533257967 39148617375 39361671075 42376258995 44440596375 50447927375 55106339505 59326762593 62216834925 62555429945 65602785125 70627098325 77148875307 87577601923 90806269275 91843899175 98877937655 103694724875 112599773901 118085013225 127128776985 128581458845 133321789125 151343782125 165319018515 177980287779 186650504775 187666289835 196808355375 211881294975 231446625921 262732805769 275531697525 296633812965 311084174625 312777149725 353135491625 385744376535 387843665659 437888009615 454031346375 459219495875 494389688275 562998869505 590425066125 613043213461 635643884925 642907294225 788198417307 826595092575 889901438895 933252523875 938331449175 1059406474875 1157233129605 1163530996977 1313664028845 1377658487625 1483169064825 1563885748625 1839129640383 1928721882675 1939218328295 2189440048075 2471948441375 2714905659613 2814994347525 3065216067305 3178219424625 3214536471125 3490592990931 3940992086535 4132975462875 4449507194475 4691657245875 5517388921149 5786165648025 5817654984885 6568320144225 7415845324125 8144716978839 9195648201915 9643609413375 9696091641475 10947200240375 13574528298065 14074971737625 15326080336525 17452964954655 19004339617291 19704960432675 22247535972375 24434150936517 27586944605745 28930828240125 29088274924425 32841600721125 40723584894195 45978241009575 48480458207375 57013018851873 67872641490325 76630401682625 87264824773275 95021698086455 98524802163375 122170754682585 137934723028725 145441374622125 171039056555619 203617924470975 229891205047875 285065094259365 339363207451625 436324123866375 475108490432275 610853773412925 689673615143625 855195282778095 1018089622354875 1425325471296825 2375542452161375 3054268867064625 4275976413890475 7126627356484125 21379882069452375
• Sum of all divisors σ(n): 46388832939951840
• Sum of proper divisors (its aliquot sum) s(n): 25008950870499465
• 21379882069452375 is an abundant number, because the sum of its proper divisors (25008950870499465) is greater than itself. Its abundance is 3629068801047090

Bases of 21379882069452375

• Binary: 1001011111101001110001110110100000101101110011001010111₂
• Hexadecimal: 0x4BF4E3B416E657
• Base-36: 5UIJA8BYDZR

Squares and roots of 21379882069452375

• 21379882069452375 squared (21379882069452375²) is 457099357303691169063132393140625
• 21379882069452375 cubed (21379882069452375³) is 9772730353175391334726769073685241549300115234375
• The square root of 21379882069452375 is 146218610.5441177243
• The cube root of 21379882069452375 is 277546.0825212609

Scales and comparisons

• 21,379,882,069,452,375 seconds is equal to 679,814,117 years, 25 weeks, 3 days, 19 hours, 26 minutes, 15 seconds.
• To count from 1 to 21,379,882,069,452,375 would take you about two billion, thirty-nine million, four hundred forty-two thousand, three hundred fifty-two 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 21379882069452375 cubic inches would be around 23128.8 feet tall.

Recreational maths with 21379882069452375

• 21379882069452375 backwards is 57325496028897312
• The number of decimal digits it has is: 17
• The sum of 21379882069452375's digits is 81
• More coming soon!