18003715573221

Names of 18003715573221

• Cardinal: 18003715573221 can be written as Eighteen trillion, three billion, seven hundred fifteen million, five hundred seventy-three thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.8003715573221 × 10¹³

Factors of 18003715573221

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1242480

Divisors of 18003715573221

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 31 41 63 93 123 181 217 279 287 369 543 651 861 1267 1271 1629 1953 2583 3801 3813 5611 7421 8897 11403 11439 16833 22263 26691 39277 50499 51947 66789 80073 117831 155841 230051 353493 467523 690153 1242217 1610357 2070459 3726651 4831071 8695519 11179953 14493213 26086557 38508727 50930897 78259671 115526181 152792691 224841277 269561089 346578543 356516279 458378073 674523831 808683267 1069548837 1573888939 1578857807 2023571493 2426049801 3208646511 4721666817 4736573421 6970079587 9218492357 11052004649 14165000451 14209720263 20910238761 27655477071 33156013947 48790557109 62730716283 64529446499 82966431213 99468041841 146371671327 193588339497 285773263067 439115013981 580765018491 857319789201 2000412841469 2571959367603 6001238524407 18003715573221
• Sum of all divisors σ(n): 31601071896576
• Sum of proper divisors (its aliquot sum) s(n): 13597356323355
• 18003715573221 is a deficient number, because the sum of its proper divisors (13597356323355) is less than itself. Its deficiency is 4406359249866

Bases of 18003715573221

• Binary: 100000101111111010001000100100100010111100101₂
• Hexadecimal: 0x105FD11245E5
• Base-36: 6DQSJERJ9

Squares and roots of 18003715573221

• 18003715573221 squared (18003715573221²) is 324133774441440360612314841
• 18003715573221 cubed (18003715573221³) is 5835612282718262761058226838186040472861
• The square root of 18003715573221 is 4243078.5490279343
• The cube root of 18003715573221 is 26209.2170692389

Scales and comparisons

• 18,003,715,573,221 seconds is equal to 572,462 years, 24 weeks, 1 day, 15 hours, 40 minutes, 21 seconds.
• To count from 1 to 18,003,715,573,221 would take you about one million, four hundred thirty-one thousand, one hundred fifty-six 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 18003715573221 cubic inches would be around 2184.1 feet tall.

Recreational maths with 18003715573221

• 18003715573221 backwards is 12237551730081
• The number of decimal digits it has is: 14
• The sum of 18003715573221's digits is 45
• More coming soon!