21378583575738960

Names of 21378583575738960

• Cardinal: 21378583575738960 can be written as Twenty-one quadrillion, three hundred seventy-eight trillion, five hundred eighty-three billion, five hundred seventy-five million, seven hundred thirty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.137858357573896 × 10¹⁶

Factors of 21378583575738960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1338

Divisors of 21378583575738960

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 277 554 831 1051 1108 1385 1662 2102 2216 2770 3153 3324 4155 4204 4432 5255 5540 6306 6648 8310 8408 10510 11080 12612 13296 15765 16620 16816 21020 22160 25224 31530 33240 42040 50448 63060 66480 76729 84080 126120 153458 230187 252240 291127 306916 383645 460374 582254 613832 767290 873381 920748 1104601 1150935 1164508 1227664 1455635 1534580 1746762 1841496 2209202 2301870 2329016 2911270 3069160 3313803 3493524 3682992 4366905 4418404 4603740 4658032 5523005 5822540 6138320 6627606 6987048 8733810 8836808 9207480 11046010 11645080 13255212 13974096 16569015 17467620 17673616 18414960 22092020 23290160 26510424 33138030 34935240 44184040 53020848 66276060 69870480 80642179 88368080 132552120 161284358 241926537 265104240 305974477 322568716 403210895 483853074 611948954 645137432 806421790 917923431 967706148 1160935651 1209632685 1223897908 1290274864 1529872385 1612843580 1835846862 1935412296 2321871302 2419265370 2447795816 3059744770 3225687160 3482806953 3671693724 3870824592 4589617155 4643742604 4838530740 4895591632 5804678255 6119489540 6451374320 6965613906 7343387448 9179234310 9287485208 9677061480 11609356510 12238979080 13931227812 14686774896 17414034765 18358468620 18574970416 19354122960 23218713020 24477958160 27862455624 34828069530 36716937240 46437426040 55724911248 69656139060 73433874480 84754930129 92874852080 139312278120 169509860258 254264790387 278624556240 321579175327 339019720516 423774650645 508529580774 643158350654 678039441032 847549301290 964737525981 1017059161548 1271323951935 1286316701308 1356078882064 1607895876635 1695098602580 1929475051962 2034118323096 2542647903870 2572633402616 3215791753270 3390197205160 3858950103924 4068236646192 4823687629905 5085295807740 5145266805232 6431583506540 6780394410320 7717900207848 9647375259810 10170591615480 12863167013080 15435800415696 19294750519620 20341183230960 25726334026160 38589501039240 77179002078480 89077431565579 178154863131158 267232294696737 356309726262316 445387157827895 534464589393474 712619452524632 890774315655790 1068929178786948 1336161473483685 1425238905049264 1781548631311580 2137858357573896 2672322946967370 3563097262623160 4275716715147792 5344645893934740 7126194525246320 10689291787869480 21378583575738960
• Sum of all divisors σ(n): 66577074134663232
• Sum of proper divisors (its aliquot sum) s(n): 45198490558924272
• 21378583575738960 is an abundant number, because the sum of its proper divisors (45198490558924272) is greater than itself. Its abundance is 23819906983185312

Bases of 21378583575738960

• Binary: 1001011111100111011010101011111110101010011101001010000₂
• Hexadecimal: 0x4BF3B55FD53A50
• Base-36: 5UI2PPMBOEO

Squares and roots of 21378583575738960

• 21378583575738960 squared (21378583575738960²) is 457043835704855616862710061881600
• 21378583575738960 cubed (21378583575738960³) is 9770949839392561951240086465566075582048027136000
• The square root of 21378583575738960 is 146214170.2289451835
• The cube root of 21378583575738960 is 277540.4635451525

Scales and comparisons

• 21,378,583,575,738,960 seconds is equal to 679,772,829 years, 21 weeks, 1 day, 9 hours, 16 minutes.
• To count from 1 to 21,378,583,575,738,960 would take you about two billion, thirty-nine million, three hundred eighteen thousand, four hundred eighty-eight 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 21378583575738960 cubic inches would be around 23128.4 feet tall.

Recreational maths with 21378583575738960

• 21378583575738960 backwards is 06983757538587312
• The number of decimal digits it has is: 17
• The sum of 21378583575738960's digits is 87
• More coming soon!