815484539751009440

Names of 815484539751009440

• Cardinal: 815484539751009440 can be written as Eight hundred fifteen quadrillion, four hundred eighty-four trillion, five hundred thirty-nine billion, seven hundred fifty-one million, nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 8.1548453975100944 × 10¹⁷

Factors of 815484539751009440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 320310

Divisors of 815484539751009440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 3917 7834 15668 19585 31336 39170 50921 62672 78340 101842 125344 156680 203684 254605 313360 316373 407368 509210 626720 632746 814736 1018420 1265492 1581865 1629472 2036840 2530984 3163730 4073680 4112849 5061968 6327460 8147360 8225698 10123936 12654920 16451396 20564245 25309840 32902792 41128490 50619680 65805584 82256980 131611168 164513960 329027920 658055840 1239233041 2478466082 4956932164 6196165205 9913864328 12392330410 16110029533 19827728656 24784660820 32220059066 39655457312 49569321640 64440118132 80550147665 99138643280 100091875129 128880236264 161100295330 198277286560 200183750258 257760472528 322200590660 400367500516 500459375645 515520945056 644401181320 800735001032 1000918751290 1288802362640 1301194376677 1601470002064 2001837502580 2577604725280 2602388753354 3202940004128 4003675005160 5204777506708 6505971883385 8007350010320 10409555013416 13011943766770 16014700020640 20819110026832 26023887533540 41638220053664 52047775067080 104095550134160 208191100268320 392059874880293 784119749760586 1568239499521172 1960299374401465 3136478999042344 3920598748802930 5096778373443809 6272957998084688 7841197497605860 10193556746887618 12545915996169376 15682394995211720 20387113493775236 25483891867219045 31364789990423440 40774226987550472 50967783734438090 62729579980846880 81548453975100944 101935567468876180 163096907950201888 203871134937752360 407742269875504720 815484539751009440
• Sum of all divisors σ(n): 2075317103785926168
• Sum of proper divisors (its aliquot sum) s(n): 1259832564034916728
• 815484539751009440 is an abundant number, because the sum of its proper divisors (1259832564034916728) is greater than itself. Its abundance is 444348024283907288

Bases of 815484539751009440

• Binary: 101101010001001011101101111001000111101011101000110010100000₂
• Hexadecimal: 0xB512EDE47AE8CA0
• Base-36: 671L55R8VTSW

Squares and roots of 815484539751009440

• 815484539751009440 squared (815484539751009440²) is 665015034572915695490111498969113600
• 815484539751009440 cubed (815484539751009440³) is 542309479396195786528804010432665741712984982032384000
• The square root of 815484539751009440 is 903041826.1359821643
• The cube root of 815484539751009440 is 934268.9395411831

Scales and comparisons

• 815,484,539,751,009,440 seconds is equal to 25,929,885,904 years, 40 weeks, 4 days, 9 hours, 17 minutes, 20 seconds.
• To count from 1 to 815,484,539,751,009,440 would take you about seventy-seven billion, seven hundred eighty-nine million, six hundred fifty-seven thousand, seven hundred fourteen 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 815484539751009440 cubic inches would be around 77855.7 feet tall.

Recreational maths with 815484539751009440

• 815484539751009440 backwards is 044900157935484518
• The number of decimal digits it has is: 18
• The sum of 815484539751009440's digits is 77
• More coming soon!