18427401408

Names of 18427401408

• Cardinal: 18427401408 can be written as Eighteen billion, four hundred twenty-seven million, four hundred one thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8427401408 × 10¹⁰

Factors of 18427401408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 388604

Divisors of 18427401408

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 152 156 192 208 228 247 304 312 416 456 494 608 624 741 832 912 988 1216 1248 1482 1824 1976 2496 2964 3648 3952 5928 7904 11856 15808 23712 47424 388567 777134 1165701 1554268 2331402 3108536 4662804 5051371 6217072 7382773 9325608 10102742 12434144 14765546 15154113 18651216 20205484 22148319 24868288 29531092 30308226 37302432 40410968 44296638 59062184 60616452 74604864 80821936 88593276 95976049 118124368 121232904 161643872 177186552 191952098 236248736 242465808 287928147 323287744 354373104 383904196 472497472 484931616 575856294 708746208 767808392 969863232 1151712588 1417492416 1535616784 2303425176 3071233568 4606850352 6142467136 9213700704 18427401408
• Sum of all divisors σ(n): 55269912320
• Sum of proper divisors (its aliquot sum) s(n): 36842510912
• 18427401408 is an abundant number, because the sum of its proper divisors (36842510912) is greater than itself. Its abundance is 18415109504

Bases of 18427401408

• Binary: 10001001010010110111101010011000000₂
• Hexadecimal: 0x44A5BD4C0
• Base-36: 8GR75XC

Squares and roots of 18427401408

• 18427401408 squared (18427401408²) is 339569122651560382464
• 18427401408 cubed (18427401408³) is 6257376528862688485214132109312
• The square root of 18427401408 is 135747.5650168355
• The cube root of 18427401408 is 2641.3221017897

Scales and comparisons

• 18,427,401,408 seconds is equal to 585 years, 48 weeks, 4 days, 2 hours, 36 minutes, 48 seconds.
• To count from 1 to 18,427,401,408 would take you about one thousand, one 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 18427401408 cubic inches would be around 220.1 feet tall.

Recreational maths with 18427401408

• 18427401408 backwards is 80410472481
• 18427401408 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18427401408's digits is 39
• More coming soon!