642514726168

Names of 642514726168

• Cardinal: 642514726168 can be written as Six hundred forty-two billion, five hundred fourteen million, seven hundred twenty-six thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.42514726168 × 10¹¹

Factors of 642514726168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1431

Divisors of 642514726168

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 98 163 196 326 343 392 652 686 1141 1259 1304 1372 2282 2401 2518 2744 4564 4802 5036 7987 8813 9128 9604 10072 15974 17626 19208 26569 31948 35252 53138 55909 61691 63896 70504 106276 111818 123382 185983 205217 212552 223636 246764 371966 391363 410434 431837 447272 493528 743932 782726 820868 863674 1301881 1436519 1487864 1565452 1641736 1727348 2603762 2873038 3022859 3130904 3454696 5207524 5746076 6045718 9113167 10055633 10415048 11492152 12091436 18226334 20111266 24182872 33450371 36452668 40222532 63792169 66900742 70389431 72905336 80445064 127584338 133801484 140778862 234152597 255168676 267602968 281557724 468305194 492726017 510337352 563115448 936610388 985452034 1639068179 1873220776 1970904068 3278136358 3941808136 6556272716 11473477253 13112545432 22946954506 45893909012 80314340771 91787818024 160628681542 321257363084 642514726168
• Sum of all divisors σ(n): 1415215613700
• Sum of proper divisors (its aliquot sum) s(n): 772700887532
• 642514726168 is an abundant number, because the sum of its proper divisors (772700887532) is greater than itself. Its abundance is 130186161364

Bases of 642514726168

• Binary: 1001010110011000110111001010110100011000₂
• Hexadecimal: 0x9598DCAD18
• Base-36: 8760OFMG

Squares and roots of 642514726168

• 642514726168 squared (642514726168²) is 412825173342740023964224
• 642514726168 cubed (642514726168³) is 265246253205567739708187141188613632
• The square root of 642514726168 is 801570.1629726495
• The cube root of 642514726168 is 8629.0111200097

Scales and comparisons

• 642,514,726,168 seconds is equal to 20,429 years, 51 weeks, 49 minutes, 28 seconds.
• To count from 1 to 642,514,726,168 would take you about forty thousand, eight hundred fifty-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 642514726168 cubic inches would be around 719.1 feet tall.

Recreational maths with 642514726168

• 642514726168 backwards is 861627415246
• The number of decimal digits it has is: 12
• The sum of 642514726168's digits is 52
• More coming soon!