18918168176727830

Names of 18918168176727830

• Cardinal: 18918168176727830 can be written as Eighteen quadrillion, nine hundred eighteen trillion, one hundred sixty-eight billion, one hundred seventy-six million, seven hundred twenty-seven thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.891816817672783 × 10¹⁶

Factors of 18918168176727830

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3518

Divisors of 18918168176727830

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 83 166 349 415 698 830 1745 3079 3490 6158 6889 13778 15395 28967 30790 34445 57934 68890 144835 255557 289670 511114 571787 1074571 1143574 1277785 2149142 2404261 2555570 2858935 4808522 5372855 5717870 9480241 10745710 12021305 18960482 21211231 24042610 42422462 47401205 89189393 94802410 106056155 178378786 199553663 212112310 399107326 445946965 786860003 891893930 997768315 1573720006 1760532173 1995536630 3308604109 3521064346 3934300015 6617208218 7402719619 7868600030 8802660865 14805439238 16543020545 17605321730 33086041090 37013598095 65309380249 74027196190 130618760498 274614141047 326546901245 549228282094 614425728377 653093802490 1228851456754 1373070705235 2746141410470 3072128641885 5420678560667 6144257283770 10841357121334 22792973706901 27103392803335 45585947413802 54206785606670 113964868534505 227929737069010 1891816817672783 3783633635345566 9459084088363915 18918168176727830
• Sum of all divisors σ(n): 34577971230348000
• Sum of proper divisors (its aliquot sum) s(n): 15659803053620170
• 18918168176727830 is a deficient number, because the sum of its proper divisors (15659803053620170) is less than itself. Its deficiency is 3258365123107660

Bases of 18918168176727830

• Binary: 1000011001101011111100101000101111110011001011100010110₂
• Hexadecimal: 0x4335F945F99716
• Base-36: 569XIHBSNX2

Squares and roots of 18918168176727830

• 18918168176727830 squared (18918168176727830²) is 357897087162957587663605896508900
• 18918168176727830 cubed (18918168176727830³) is 6770757284909850597925174685769823760422472687000
• The square root of 18918168176727830 is 137543331.9966032741
• The cube root of 18918168176727830 is 266456.5255523583

Scales and comparisons

• 18,918,168,176,727,830 seconds is equal to 601,539,230 years, 14 weeks, 5 days, 5 hours, 43 minutes, 50 seconds.
• To count from 1 to 18,918,168,176,727,830 would take you about one billion, eight hundred four million, six hundred seventeen thousand, six hundred ninety 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 18918168176727830 cubic inches would be around 22204.7 feet tall.

Recreational maths with 18918168176727830

• 18918168176727830 backwards is 03872767186181981
• 18918168176727830 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18918168176727830's digits is 83
• More coming soon!