9986992992

Names of 9986992992

• Cardinal: 9986992992 can be written as Nine billion, nine hundred eighty-six million, nine hundred ninety-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 9.986992992 × 10⁹

Factors of 9986992992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7874

Divisors of 9986992992

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 269 272 288 306 408 538 544 612 807 816 1076 1224 1614 1632 2152 2421 2448 3228 4304 4573 4842 4896 6456 7583 8608 9146 9684 12912 13719 15166 18292 19368 22749 25824 27438 30332 36584 38736 41157 45498 54876 60664 68247 73168 77472 82314 90996 109752 121328 128911 136494 146336 164628 181992 219504 242656 257822 272988 329256 363984 386733 439008 515644 545976 658512 727968 773466 1031288 1091952 1160199 1317024 1546932 2039827 2062576 2183904 2320398 3093864 4079654 4125152 4640796 6119481 6187728 8159308 9281592 12238962 12375456 16318616 18358443 18563184 24477924 32637232 34677059 36716886 37126368 48955848 65274464 69354118 73433772 97911696 104031177 138708236 146867544 195823392 208062354 277416472 293735088 312093531 416124708 554832944 587470176 624187062 832249416 1109665888 1248374124 1664498832 2496748248 3328997664 4993496496 9986992992
• Sum of all divisors σ(n): 30186898560
• Sum of proper divisors (its aliquot sum) s(n): 20199905568
• 9986992992 is an abundant number, because the sum of its proper divisors (20199905568) is greater than itself. Its abundance is 10212912576

Bases of 9986992992

• Binary: 1001010011010001010110101101100000₂
• Hexadecimal: 0x253456B60
• Base-36: 4L5ZX40

Squares and roots of 9986992992

• 9986992992 squared (9986992992²) is 99740029022257112064
• 9986992992 cubed (9986992992³) is 996102970867158390205326655488
• The square root of 9986992992 is 99934.9437984533
• The cube root of 9986992992 is 2153.5001931063

Scales and comparisons

• 9,986,992,992 seconds is equal to 317 years, 28 weeks, 6 days, 4 hours, 43 minutes, 12 seconds.
• To count from 1 to 9,986,992,992 would take you about six hundred thirty-five 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 9986992992 cubic inches would be around 179.5 feet tall.

Recreational maths with 9986992992

• 9986992992 backwards is 2992996899
• 9986992992 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9986992992's digits is 72
• More coming soon!