990516591009

Names of 990516591009

• Cardinal: 990516591009 can be written as Nine hundred ninety billion, five hundred sixteen million, five hundred ninety-one thousand and nine.

Scientific notation

• Scientific notation: 9.90516591009 × 10¹¹

Factors of 990516591009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1131

Divisors of 990516591009

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 11 27 33 81 99 121 243 297 363 729 891 1089 1117 2187 2673 3267 3351 6561 8019 9801 10053 12287 24057 29403 30159 36861 72171 88209 90477 110583 135157 264627 271431 331749 405471 793881 814293 995247 1216413 1247689 2442879 2985741 3649239 3743067 7328637 8957223 10947717 11229201 13724579 26871669 32843151 33687603 41173737 80615007 98529453 101062809 123521211 150970369 295588359 303188427 370563633 452911107 886765077 909565281 1111690899 1358733321 2728695843 3335072697 4076199963 8186087529 10005218091 12228599889 30015654273 36685799667 90046962819 110057399001 330172197003 990516591009
• Sum of all divisors σ(n): 1634504788371
• Sum of proper divisors (its aliquot sum) s(n): 643988197362
• 990516591009 is a deficient number, because the sum of its proper divisors (643988197362) is less than itself. Its deficiency is 346528393647

Bases of 990516591009

• Binary: 1110011010011111011000111011100110100001₂
• Hexadecimal: 0xE69F63B9A1
• Base-36: CN1C0529

Squares and roots of 990516591009

• 990516591009 squared (990516591009²) is 981123117064090579638081
• 990516591009 cubed (990516591009³) is 971818725274447037511902821118613729
• 990516591009 is a perfect square number. Its square root is 995247
• The cube root of 990516591009 is 9968.2881790397

Scales and comparisons

• 990,516,591,009 seconds is equal to 31,495 years, 18 weeks, 6 days, 9 hours, 30 minutes, 9 seconds.
• To count from 1 to 990,516,591,009 would take you about sixty-two thousand, nine hundred ninety 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 990516591009 cubic inches would be around 830.7 feet tall.

Recreational maths with 990516591009

• 990516591009 backwards is 900195615099
• The number of decimal digits it has is: 12
• The sum of 990516591009's digits is 54
• More coming soon!