30998867991
30,998,867,991 is an odd composite number composed of six prime numbers multiplied together.
30998867991 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 30998867991:
3 × 72 × 13 × 172 × 372 × 41
(3 × 7 × 7 × 13 × 17 × 17 × 37 × 37 × 41)See below for interesting mathematical facts about the number 30998867991 from the Numbermatics database.
Names of 30998867991
- Cardinal: 30998867991 can be written as Thirty billion, nine hundred ninety-eight million, eight hundred sixty-seven thousand, nine hundred ninety-one.
Scientific notation
- Scientific notation: 3.0998867991 × 1010
Factors of 30998867991
Divisors of 30998867991
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 13 17 21 37 39 41 49 51 91 111 119 123 147 221 259 273 287 289 357 481 533 629 637 663 697 777 833 861 867 1369 1443 1517 1547 1599 1813 1887 1911 2009 2023 2091 2499 3367 3731 3757 4107 4403 4551 4641 4879 5439 6027 6069 8177 9061 9583 10101 10619 10693 10829 11193 11271 11849 13209 14161 14637 17797 19721 23273 23569 24531 25789 26117 26299 27183 28749 30821 31857 32079 32487 34153 35547 42483 53391 56129 57239 59163 63427 67081 69819 70707 74333 74851 77367 78351 78897 82943 92463 102459 124579 138047 139009 154037 162911 168387 171717 180523 184093 190281 201243 222999 224553 248829 302549 335257 373737 392903 395641 400673 414141 417027 438413 443989 462111 488733 523957 541569 552279 580601 729677 872053 907647 954193 966329 973063 1005771 1078259 1140377 1178709 1186923 1202019 1263661 1315239 1331967 1571871 1741803 2117843 2189031 2346799 2616159 2750321 2769487 2862579 2898987 2919189 3068891 3234777 3421131 3790983 5107739 5143333 5699369 6353529 6679351 6811441 7040397 7547813 8250963 8308461 9206673 12404509 14824901 15323217 15429999 16221281 16427593 17098107 19386409 20038053 20434323 21482237 22643439 35754173 36003331 37213527 39895583 44474703 46755457 48663843 49282779 58159227 64446711 86831563 107262519 108009993 113548967 119686749 140266371 210876653 252023317 260494689 279269081 340646901 607820941 632629959 756069951 794842769 837807243 1476136571 1823462823 2384528307 4428409713 10332955997 30998867991
- Sum of all divisors σ(n): 57908810736
- Sum of proper divisors (its aliquot sum) s(n): 26909942745
- 30998867991 is a deficient number, because the sum of its proper divisors (26909942745) is less than itself. Its deficiency is 4088925246
Bases of 30998867991
- Binary: 111001101111010110100110000000101112
- Hexadecimal: 0x737AD3017
- Base-36: E8NXBMF
Squares and roots of 30998867991
- 30998867991 squared (309988679912) is 960929816723444376081
- 30998867991 cubed (309988679913) is 29787736537225876368966276923271
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The
square root of 30998867991 is 176064.9538977021 -
The
cube root of 30998867991 is 3141.3424146015
Scales and comparisons
How big is 30998867991?- 30,998,867,991 seconds is equal to 985 years, 34 weeks, 5 days, 4 hours, 39 minutes, 51 seconds.
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To count from 1 to 30,998,867,991 would take you about one thousand, nine hundred seventy-one 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 30998867991 cubic inches would be around 261.8 feet tall.
Recreational maths with 30998867991
- 30998867991 backwards is 19976889903
- The number of decimal digits it has is: 11
- The sum of 30998867991's digits is 69
- More coming soon!
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