18396398794747904

Names of 18396398794747904

• Cardinal: 18396398794747904 can be written as Eighteen quadrillion, three hundred ninety-six trillion, three hundred ninety-eight billion, seven hundred ninety-four million, seven hundred forty-seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.8396398794747904 × 10¹⁶

Factors of 18396398794747904

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 2366

Divisors of 18396398794747904

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 343 392 448 512 686 784 896 1024 1372 1568 1792 2048 2357 2744 3136 3584 4096 4714 5488 6272 7168 9428 10976 12544 14336 16499 18856 21952 25088 28672 32998 37712 43904 50176 65996 75424 87808 100352 115493 131992 150848 175616 200704 230986 263984 301696 351232 461972 527968 603392 702464 808451 923944 1055936 1206784 1404928 1616902 1847888 2111872 2413568 3233804 3695776 4223744 4827136 5555449 6467608 7391552 8447488 9654272 11110898 12935216 14783104 16894976 22221796 25870432 29566208 33789952 38888143 44443592 51740864 59132416 67579904 77776286 88887184 103481728 118264832 155552572 177774368 206963456 236529664 272217001 311105144 355548736 413926912 473059328 544434002 622210288 711097472 827853824 1088868004 1244420576 1422194944 1655707648 1905519007 2177736008 2488841152 2844389888 3311415296 3811038014 4355472016 4977682304 5688779776 7622076028 8710944032 9955364608 11377559552 15244152056 17421888064 19910729216 22755119104 30488304112 34843776128 39821458432 60976608224 69687552256 79642916864 121953216448 139375104512 159285833728 243906432896 278750209024 487812865792 557500418048 975625731584 1115000836096 1951251463168 3902502926336 7805005852672
• Sum of all divisors σ(n): 18406803387750032
• Sum of proper divisors (its aliquot sum) s(n): 10404593002128
• 18396398794747904 is a deficient number, because the sum of its proper divisors (10404593002128) is less than itself. Its deficiency is 18385994201745776

Bases of 18396398794747904

• Binary: 1000001010110110110110101011111010011101011000000000000₂
• Hexadecimal: 0x415B6D5F4EB000
• Base-36: 514Z8XPG9A8

Squares and roots of 18396398794747904

• 18396398794747904 squared (18396398794747904²) is 338427488615402134923814912393216
• 18396398794747904 cubed (18396398794747904³) is 6225847043673943837182907654547835344420039819264
• The square root of 18396398794747904 is 135633324.7942698779
• 18396398794747904 is a perfect cube number. Its cube root is 263984

Scales and comparisons

• 18,396,398,794,747,904 seconds is equal to 584,948,577 years, 45 weeks, 3 days, 14 hours, 51 minutes, 44 seconds.
• To count from 1 to 18,396,398,794,747,904 would take you about one billion, seven hundred fifty-four million, eight hundred forty-five thousand, seven hundred thirty-three 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 18396398794747904 cubic inches would be around 21998.7 feet tall.

Recreational maths with 18396398794747904

• 18396398794747904 backwards is 40974749789369381
• 18396398794747904 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18396398794747904's digits is 98
• More coming soon!