78731120142198

Names of 78731120142198

• Cardinal: 78731120142198 can be written as Seventy-eight trillion, seven hundred thirty-one billion, one hundred twenty million, one hundred forty-two thousand, one hundred ninety-eight.

Scientific notation

• Scientific notation: 7.8731120142198 × 10¹³

Factors of 78731120142198

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 30317

Divisors of 78731120142198

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 6 9 18 27 54 59 81 118 162 177 243 354 486 531 729 1062 1458 1593 3186 4779 9558 14337 28674 30253 43011 60506 86022 90759 181518 272277 544554 816831 1633662 1784927 2450493 3569854 4900986 5354781 7351479 10709562 14702958 16064343 22054437 32128686 44108874 48193029 96386058 144579087 289158174 433737261 867474522 915244009 1301211783 1830488018 2602423566 2745732027 5491464054 8237196081 16474392162 24711588243 49423176486 53999396531 74134764729 107998793062 148269529458 161998189593 222404294187 323996379186 444808588374 485994568779 667212882561 971989137558 1334425765122 1457983706337 2915967412674 4373951119011 8747902238022 13121853357033 26243706714066 39365560071099 78731120142198
• Sum of all divisors σ(n): 180071058502620
• Sum of proper divisors (its aliquot sum) s(n): 101339938360422
• 78731120142198 is an abundant number, because the sum of its proper divisors (101339938360422) is greater than itself. Its abundance is 22608818218224

Bases of 78731120142198

• Binary: 10001111001101100000100011100101110011101110110₂
• Hexadecimal: 0x479B0472E776
• Base-36: RWOKS5LDI

Squares and roots of 78731120142198

• 78731120142198 squared (78731120142198²) is 6198589278845215623740271204
• 78731120142198 cubed (78731120142198³) is 488021877224903130971802112259287564666392
• The square root of 78731120142198 is 8873055.8514075635
• The cube root of 78731120142198 is 42859.6687446589

Scales and comparisons

• 78,731,120,142,198 seconds is equal to 2,503,406 years, 4 weeks, 4 days, 11 hours, 3 minutes, 18 seconds.
• To count from 1 to 78,731,120,142,198 would take you about six million, two hundred fifty-eight thousand, five hundred fifteen 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 78731120142198 cubic inches would be around 3571.6 feet tall.

Recreational maths with 78731120142198

• 78731120142198 backwards is 89124102113787
• 78731120142198 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 78731120142198's digits is 54
• More coming soon!