1818942349465955

Names of 1818942349465955

• Cardinal: 1818942349465955 can be written as One quadrillion, eight hundred eighteen trillion, nine hundred forty-two billion, three hundred forty-nine million, four hundred sixty-five thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 1.818942349465955 × 10¹⁵

Factors of 1818942349465955

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12575436

Divisors of 1818942349465955

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 17 35 73 85 119 365 511 595 1241 2555 3331 6205 8687 16655 23317 43435 56627 116585 243163 283135 396389 1215815 1702141 1981945 4133771 8510705 12572003 20668855 28936397 62860015 88004021 144681985 213724051 440020105 917756219 1068620255 1496068357 4588781095 6424293533 7480341785 15601855723 32121467665 41877341993 78009278615 109212990061 209386709965 293141393951 546064950305 711914813881 1465706969755 3057045965489 3559574069405 4983403697167 15285229827445 21399321758423 24917018485835 51969781413313 106996608792115 259848907066565 363788469893191 1818942349465955
• Sum of all divisors σ(n): 2678273754283008
• Sum of proper divisors (its aliquot sum) s(n): 859331404817053
• 1818942349465955 is a deficient number, because the sum of its proper divisors (859331404817053) is less than itself. Its deficiency is 959610944648902

Bases of 1818942349465955

• Binary: 110011101100101000110000100100110110101100101100011₂
• Hexadecimal: 0x67651849B5963
• Base-36: HWREKV67AB

Squares and roots of 1818942349465955

• 1818942349465955 squared (1818942349465955²) is 3308551270680728365673704062025
• 1818942349465955 cubed (1818942349465955³) is 6018064021620574889819497019738085972945858875
• The square root of 1818942349465955 is 42649060.3585349229
• The cube root of 1818942349465955 is 122069.2599089739

Scales and comparisons

• 1,818,942,349,465,955 seconds is equal to 57,836,740 years, 18 weeks, 3 days, 4 hours, 32 minutes, 35 seconds.
• To count from 1 to 1,818,942,349,465,955 would take you about one hundred seventy-three million, five hundred ten thousand, two hundred twenty-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 1818942349465955 cubic inches would be around 10172.4 feet tall.

Recreational maths with 1818942349465955

• 1818942349465955 backwards is 5595649432498181
• The number of decimal digits it has is: 16
• The sum of 1818942349465955's digits is 83
• More coming soon!