64393048938420

Names of 64393048938420

• Cardinal: 64393048938420 can be written as Sixty-four trillion, three hundred ninety-three billion, forty-eight million, nine hundred thirty-eight thousand, four hundred twenty.

Scientific notation

• Scientific notation: 6.439304893842 × 10¹³

Factors of 64393048938420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 66467

Divisors of 64393048938420

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 729 810 972 1215 1458 1620 2430 2916 3645 4860 7290 14580 66457 132914 199371 265828 332285 398742 598113 664570 797484 996855 1196226 1329140 1794339 1993710 2392452 2990565 3588678 3987420 5383017 5981130 7177356 8971695 10766034 11962260 16149051 17943390 21532068 26915085 32298102 35886780 48447153 53830170 64596204 80745255 96894306 107660340 161490510 193788612 242235765 322981020 484471530 968943060 4416532849 8833065698 13249598547 17666131396 22082664245 26499197094 39748795641 44165328490 52998394188 66247992735 79497591282 88330656980 119246386923 132495985470 158995182564 198743978205 238492773846 264991970940 357739160769 397487956410 476985547692 596231934615 715478321538 794975912820 1073217482307 1192463869230 1430956643076 1788695803845 2146434964614 2384927738460 3219652446921 3577391607690 4292869929228 5366087411535 6439304893842 7154783215380 10732174823070 12878609787684 16098262234605 21464349646140 32196524469210 64393048938420
• Sum of all divisors σ(n): 202748407787142
• Sum of proper divisors (its aliquot sum) s(n): 138355358848722
• 64393048938420 is an abundant number, because the sum of its proper divisors (138355358848722) is greater than itself. Its abundance is 73962309910302

Bases of 64393048938420

• Binary: 1110101001000010101100110011101101011110110100₂
• Hexadecimal: 0x3A90ACCED7B4
• Base-36: MTPRARB90

Squares and roots of 64393048938420

• 64393048938420 squared (64393048938420²) is 4146464751585753088952096400
• 64393048938420 cubed (64393048938420³) is 267003507670294926956143026920253503688000
• The square root of 64393048938420 is 8024527.9573579903
• The cube root of 64393048938420 is 40081.7181354747

Scales and comparisons

• 64,393,048,938,420 seconds is equal to 2,047,499 years, 40 weeks, 2 days, 6 hours, 27 minutes.
• To count from 1 to 64,393,048,938,420 would take you about five million, one hundred eighteen thousand, seven hundred forty-nine 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 64393048938420 cubic inches would be around 3340.1 feet tall.

Recreational maths with 64393048938420

• 64393048938420 backwards is 02483984039346
• The number of decimal digits it has is: 14
• The sum of 64393048938420's digits is 63
• More coming soon!