1800021221985

Names of 1800021221985

• Cardinal: 1800021221985 can be written as One trillion, eight hundred billion, twenty-one million, two hundred twenty-one thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.800021221985 × 10¹²

Factors of 1800021221985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 237

Divisors of 1800021221985

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 15 21 35 105 109 113 327 339 545 565 763 791 1635 1695 2289 2373 3815 3955 11445 11865 11881 12317 12769 35643 36951 38307 59405 61585 63845 83167 86219 89383 178215 184755 191535 249501 258657 268149 415835 431095 446915 1247505 1293285 1340745 1342553 1391821 1442897 4027659 4175463 4328691 6712765 6959105 7214485 9397871 9742747 10100279 20138295 20877315 21643455 28193613 29228241 30300837 46989355 48713735 50501395 140968065 146141205 151504185 151708489 157275773 455125467 471827319 758542445 786378865 1061959423 1100930411 2275627335 2359136595 3185878269 3302791233 5309797115 5504652055 15929391345 16513956165 17143059257 51429177771 85715296285 120001414799 257145888855 360004244397 600007073995 1800021221985
• Sum of all divisors σ(n): 3351601532160
• Sum of proper divisors (its aliquot sum) s(n): 1551580310175
• 1800021221985 is a deficient number, because the sum of its proper divisors (1551580310175) is less than itself. Its deficiency is 248440911810

Bases of 1800021221985

• Binary: 11010001100011001101000000010001001100001₂
• Hexadecimal: 0x1A319A02261
• Base-36: MYX25RVL

Squares and roots of 1800021221985

• 1800021221985 squared (1800021221985²) is 3240076399596372647340225
• 1800021221985 cubed (1800021221985³) is 5832206280126221853438781264544846625
• The square root of 1800021221985 is 1341648.6954434085
• The cube root of 1800021221985 is 12164.4517970329

Scales and comparisons

• 1,800,021,221,985 seconds is equal to 57,235 years, 5 weeks, 3 days, 22 hours, 59 minutes, 45 seconds.
• To count from 1 to 1,800,021,221,985 would take you about one hundred forty-three thousand and eighty-seven 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 1800021221985 cubic inches would be around 1013.7 feet tall.

Recreational maths with 1800021221985

• 1800021221985 backwards is 5891221200081
• The number of decimal digits it has is: 13
• The sum of 1800021221985's digits is 39
• More coming soon!