72421443489920

Names of 72421443489920

• Cardinal: 72421443489920 can be written as Seventy-two trillion, four hundred twenty-one billion, four hundred forty-three million, four hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.242144348992 × 10¹³

Factors of 72421443489920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 147939

Divisors of 72421443489920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 181 224 280 320 362 448 560 607 640 724 896 905 1120 1214 1267 1448 1810 2240 2428 2534 2896 3035 3620 4249 4480 4856 5068 5792 6070 6335 7240 8498 9712 10136 11584 12140 12670 14480 16996 19424 20272 21245 23168 24280 25340 28960 33992 38848 40544 42490 48560 50680 57920 67984 77696 81088 84980 97120 101360 109867 115840 135968 147137 162176 169960 194240 202720 219734 271936 294274 339920 388480 405440 439468 543872 549335 588548 679840 735685 769069 810880 878936 1029959 1098670 1177096 1359680 1471370 1538138 1757872 2059918 2197340 2354192 2719360 2942740 3076276 3515744 3845345 4119836 4394680 4708384 5149795 5885480 6152552 7031488 7690690 8239672 8789360 9416768 10299590 11770960 12305104 14062976 15381380 16479344 17578720 18833536 20599180 23541920 24610208 26631797 30762760 32958688 35157440 41198360 47083840 49220416 53263594 61525520 65917376 70314880 82396720 89312159 94167680 98440832 106527188 123051040 131834752 133158985 164793440 178624318 186422579 213054376 246102080 266317970 329586880 357248636 372845158 426108752 446560795 492204160 532635940 625185113 659173760 714497272 745690316 852217504 893121590 932112895 1065271880 1250370226 1428994544 1491380632 1704435008 1786243180 1864225790 2130543760 2500740452 2857989088 2982761264 3125925565 3408870016 3572486360 3728451580 4261087520 5001480904 5715978176 5965522528 6251851130 7144972720 7456903160 8522175040 10002961808 11431956352 11931045056 12503702260 14289945440 14913806320 16165500779 17044350080 20005923616 23862090112 25007404520 28579890880 29827612640 32331001558 40011847232 50014809040 57159781760 59655225280 64662003116 80023694464 80827503895 100029618080 113158505453 119310450560 129324006232 161655007790 200059236160 226317010906 258648012464 323310015580 400118472320 452634021812 517296024928 565792527265 646620031160 905268043624 1034592049856 1131585054530 1293240062320 1810536087248 2069184099712 2263170109060 2586480124640 3621072174496 4526340218120 5172960249280 7242144348992 9052680436240 10345920498560 14484288697984 18105360872480 36210721744960 72421443489920
• Sum of all divisors σ(n): 199288038942720
• Sum of proper divisors (its aliquot sum) s(n): 126866595452800
• 72421443489920 is an abundant number, because the sum of its proper divisors (126866595452800) is greater than itself. Its abundance is 54445151962880

Bases of 72421443489920

• Binary: 10000011101110111101110011010011101000010000000₂
• Hexadecimal: 0x41DDEE69D080
• Base-36: PO5Y9L5KW

Squares and roots of 72421443489920

• 72421443489920 squared (72421443489920²) is 5244865477163675949141606400
• 72421443489920 cubed (72421443489920³) is 379840728766641453993257867829491007488000
• The square root of 72421443489920 is 8510078.9355869079
• The cube root of 72421443489920 is 41682.6887660687

Scales and comparisons

• 72,421,443,489,920 seconds is equal to 2,302,777 years, 46 weeks, 1 day, 12 hours, 5 minutes, 20 seconds.
• To count from 1 to 72,421,443,489,920 would take you about five million, seven hundred fifty-six thousand, nine hundred forty-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 72421443489920 cubic inches would be around 3473.6 feet tall.

Recreational maths with 72421443489920

• 72421443489920 backwards is 02998434412427
• The number of decimal digits it has is: 14
• The sum of 72421443489920's digits is 59
• More coming soon!