391045008920164

Names of 391045008920164

• Cardinal: 391045008920164 can be written as Three hundred ninety-one trillion, forty-five billion, eight million, nine hundred twenty thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 3.91045008920164 × 10¹⁴

Factors of 391045008920164

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 531

Divisors of 391045008920164

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 19 38 61 76 122 244 361 449 722 898 1159 1444 1796 2318 3721 4636 6859 7442 8531 13718 14884 17062 22021 27389 27436 34124 44042 54778 70699 88084 109556 130321 141398 162089 201601 260642 282796 324178 403202 418399 520391 521284 648356 806404 836798 1040782 1343281 1670729 1673596 2081564 2686562 3079691 3341458 3830419 5373124 6159382 6682916 7660838 7949581 9887429 12297661 12318764 15321676 15899162 19774858 24595322 25522339 31743851 31798324 39549716 49190644 51044678 58514129 63487702 72777961 102089356 117028258 126975404 145555922 187861151 233655559 234056516 291111844 375722302 467311118 484924441 603133169 750157321 751444604 934622236 969848882 1206266338 1382781259 1500314642 1939697764 2412532676 2765562518 3000629284 3569361869 4439455621 5531125036 7138723738 8878911242 11459530211 14252989099 14277447476 17757822484 22919060422 26272843921 28505978198 45838120844 52545687842 57011956396 84349656799 105091375684 168699313598 217731074009 270806792881 337398627196 435462148018 541613585762 870924296036 1083227171524 1602643479181 3205286958362 5145329064739 6410573916724 10290658129478 20581316258956 97761252230041 195522504460082 391045008920164
• Sum of all divisors σ(n): 736021854276891
• Sum of proper divisors (its aliquot sum) s(n): 344976845356727
• 391045008920164 is a deficient number, because the sum of its proper divisors (344976845356727) is less than itself. Its deficiency is 46068163563437

Bases of 391045008920164

• Binary: 1011000111010011101000010110110010000111001100100₂
• Hexadecimal: 0x163A742D90E64
• Base-36: 3UM3LHTT9G

Squares and roots of 391045008920164

• 391045008920164 squared (391045008920164²) is 152916199001371142329325786896
• 391045008920164 cubed (391045008920164³) is 59797116402528751701038016781674348541370944
• 391045008920164 is a perfect square number. Its square root is 19774858
• The cube root of 391045008920164 is 73126.6338261007

Scales and comparisons

• 391,045,008,920,164 seconds is equal to 12,434,021 years, 36 weeks, 3 days, 12 hours, 56 minutes, 4 seconds.
• To count from 1 to 391,045,008,920,164 would take you about thirty-one million, eighty-five thousand and fifty-four 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 391045008920164 cubic inches would be around 6093.9 feet tall.

Recreational maths with 391045008920164

• 391045008920164 backwards is 461029800540193
• The number of decimal digits it has is: 15
• The sum of 391045008920164's digits is 52
• More coming soon!