72902088121336890

Names of 72902088121336890

• Cardinal: 72902088121336890 can be written as Seventy-two quadrillion, nine hundred two trillion, eighty-eight billion, one hundred twenty-one million, three hundred thirty-six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 7.290208812133689 × 10¹⁶

Factors of 72902088121336890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1146800190863

Divisors of 72902088121336890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 130 163 195 326 390 489 815 978 1630 2119 2445 4238 4890 6357 10595 12714 21190 31785 63570 1146800190677 2293600381354 3440400572031 5734000953385 6880801144062 11468001906770 14908402478801 17202002860155 29816804957602 34404005720310 44725207436403 74542012394005 89450414872806 149084024788010 186928431080351 223626037182015 373856862160702 447252074364030 560785293241053 934642155401755 1121570586482106 1869284310803510 2430069604044563 2803926466205265 4860139208089126 5607852932410530 7290208812133689 12150348020222815 14580417624267378 24300696040445630 36451044060668445 72902088121336890
• Sum of all divisors σ(n): 189579833121361536
• Sum of proper divisors (its aliquot sum) s(n): 116677745000024646
• 72902088121336890 is an abundant number, because the sum of its proper divisors (116677745000024646) is greater than itself. Its abundance is 43775656878687756

Bases of 72902088121336890

• Binary: 100000011000000000001000000011001110110110100010000111010₂
• Hexadecimal: 0x103001019DB443A
• Base-36: JXTMSXRB396

Squares and roots of 72902088121336890

• 72902088121336890 squared (72902088121336890²) is 5314714452451169279575280874872100
• 72902088121336890 cubed (72902088121336890³) is 387453781352337881420971486211847925178259761769000
• The square root of 72902088121336890 is 270003866.8636745469
• The cube root of 72902088121336890 is 417746.9835470193

Scales and comparisons

• 72,902,088,121,336,890 seconds is equal to 2,318,060,901 years, 15 weeks, 2 days, 41 minutes, 30 seconds.
• To count from 1 to 72,902,088,121,336,890 would take you about six billion, nine hundred fifty-four million, one hundred eighty-two thousand, seven hundred three 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 72902088121336890 cubic inches would be around 34812.2 feet tall.

Recreational maths with 72902088121336890

• 72902088121336890 backwards is 09863312188020927
• The number of decimal digits it has is: 17
• The sum of 72902088121336890's digits is 69
• More coming soon!