31689521409
31,689,521,409 is an odd composite number composed of five prime numbers multiplied together.
31689521409 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 31689521409:
3 × 7 × 133 × 73 × 972
(3 × 7 × 13 × 13 × 13 × 73 × 97 × 97)See below for interesting mathematical facts about the number 31689521409 from the Numbermatics database.
Names of 31689521409
- Cardinal: 31689521409 can be written as Thirty-one billion, six hundred eighty-nine million, five hundred twenty-one thousand, four hundred nine.
Scientific notation
- Scientific notation: 3.1689521409 × 1010
Factors of 31689521409
Divisors of 31689521409
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 7 13 21 39 73 91 97 169 219 273 291 507 511 679 949 1183 1261 1533 2037 2197 2847 3549 3783 6591 6643 7081 8827 9409 12337 15379 16393 19929 21243 26481 28227 37011 46137 49179 49567 65863 86359 92053 114751 122317 148701 160381 197589 213109 259077 276159 344253 366951 481143 639327 644371 686857 856219 1122667 1196689 1491763 1590121 1933113 2060571 2568657 3368001 3590067 4475289 4770363 4807999 8376823 8929141 11130847 14423997 15556957 20671573 25130469 26787423 33392541 46670871 62014719 62503987 108898699 116078833 144701011 187511961 326696097 348236499 434103033 812551831 1509024829 2437655493 4527074487 10563173803 31689521409
- Sum of all divisors σ(n): 53579930880
- Sum of proper divisors (its aliquot sum) s(n): 21890409471
- 31689521409 is a deficient number, because the sum of its proper divisors (21890409471) is less than itself. Its deficiency is 9799111938
Bases of 31689521409
- Binary: 111011000001101011110111001000000012
- Hexadecimal: 0x760D7B901
- Base-36: EK34F7L
Squares and roots of 31689521409
- 31689521409 squared (316895214092) is 1004225767131469345281
- 31689521409 cubed (316895214093) is 31823433946982146334909462620929
-
The
square root of 31689521409 is 178015.5089002079 -
The
cube root of 31689521409 is 3164.5009236303
Scales and comparisons
How big is 31689521409?- 31,689,521,409 seconds is equal to 1,007 years, 32 weeks, 4 days, 20 hours, 50 minutes, 9 seconds.
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To count from 1 to 31,689,521,409 would take you about two thousand and fifteen 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 31689521409 cubic inches would be around 263.7 feet tall.
Recreational maths with 31689521409
- 31689521409 backwards is 90412598613
- The number of decimal digits it has is: 11
- The sum of 31689521409's digits is 48
- More coming soon!
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