990402351075005

Names of 990402351075005

• Cardinal: 990402351075005 can be written as Nine hundred ninety trillion, four hundred two billion, three hundred fifty-one million, seventy-five thousand and five.

Scientific notation

• Scientific notation: 9.90402351075005 × 10¹⁴

Factors of 990402351075005

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5077

Divisors of 990402351075005

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 11 55 59 113 295 565 649 1243 3245 4889 6215 6667 12769 24445 33335 53779 63845 73337 140459 268895 288451 366685 552457 702295 753371 1442255 2762285 3172961 3766855 6077027 8287081 15864805 23902321 30385135 32594963 41435405 62427641 119511605 162974815 262925531 312138205 358544593 686704051 1314627655 1410236939 1792722965 2700962273 3433520255 3683230819 7051184695 13504811365 15512606329 18416154095 29710585003 40515539009 77563031645 148552925015 159356774107 202577695045 305208736849 796783870535 1526043684245 1752924515177 3357296105339 8764622575885 16786480526695 18007315474091 90036577370455 198080470215001 990402351075005
• Sum of all divisors σ(n): 1330545309032160
• Sum of proper divisors (its aliquot sum) s(n): 340142957957155
• 990402351075005 is a deficient number, because the sum of its proper divisors (340142957957155) is less than itself. Its deficiency is 650259393117850

Bases of 990402351075005

• Binary: 11100001001100010000000100010100100000111010111101₂
• Hexadecimal: 0x384C404520EBD
• Base-36: 9R2GK4EDA5

Squares and roots of 990402351075005

• 990402351075005 squared (990402351075005²) is 980896817014897457679135750025
• 990402351075005 cubed (990402351075005³) is 971482513733543409869541434286131885705625125
• The square root of 990402351075005 is 31470658.5739003085
• The cube root of 990402351075005 is 99679.0493781803

Scales and comparisons

• 990,402,351,075,005 seconds is equal to 31,491,731 years, 12 weeks, 6 days, 11 hours, 30 minutes, 5 seconds.
• To count from 1 to 990,402,351,075,005 would take you about seventy-eight million, seven hundred twenty-nine thousand, three hundred twenty-eight 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 990402351075005 cubic inches would be around 8306.6 feet tall.

Recreational maths with 990402351075005

• 990402351075005 backwards is 500570153204099
• The number of decimal digits it has is: 15
• The sum of 990402351075005's digits is 50
• More coming soon!