7940315989227125920

Names of 7940315989227125920

• Cardinal: 7940315989227125920 can be written as Seven quintillion, nine hundred forty quadrillion, three hundred fifteen trillion, nine hundred eighty-nine billion, two hundred twenty-seven million, one hundred twenty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.94031598922712592 × 10¹⁸

Factors of 7940315989227125920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3817459610205369

Divisors of 7940315989227125920

• Number of divisors d(n): 48
• 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 3817459610205349 7634919220410698 15269838440821396 19087298051026745 30539676881642792 38174596102053490 49626974932669537 61079353763285584 76349192204106980 99253949865339074 122158707526571168 152698384408213960 198507899730678148 248134874663347685 305396768816427920 397015799461356296 496269749326695370 610793537632855840 794031598922712592 992539498653390740 1588063197845425184 1985078997306781480 3970157994613562960 7940315989227125920
• Sum of all divisors σ(n): 20201996257206712200
• Sum of proper divisors (its aliquot sum) s(n): 12261680267979586280
• 7940315989227125920 is an abundant number, because the sum of its proper divisors (12261680267979586280) is greater than itself. Its abundance is 4321364278752460360

Bases of 7940315989227125920

• Binary: 110111000110001101010110101001010010110001111001011110010100000₂
• Hexadecimal: 0x6E31AB52963CBCA0
• Base-36: 1OBRJ3RY6CA74

Squares and roots of 7940315989227125920

• 7940315989227125920 squared (7940315989227125920²) is 63048618008775951269236255943535846400
• 7940315989227125920 cubed (7940315989227125920³) is 500625949673757003551773292892854414693099136766578688000
• The square root of 7940315989227125920 is 2817856630.3534901313
• The cube root of 7940315989227125920 is 1995013.9122299255

Scales and comparisons

• 7,940,315,989,227,125,920 seconds is equal to 252,477,487,447 years, 23 weeks, 12 hours, 18 minutes, 40 seconds.
• To count from 1 to 7,940,315,989,227,125,920 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 7940315989227125920 cubic inches would be around 166251.2 feet tall.

Recreational maths with 7940315989227125920

• 7940315989227125920 backwards is 0295217229895130497
• The number of decimal digits it has is: 19
• The sum of 7940315989227125920's digits is 85
• More coming soon!