221401152

Names of 221401152

• Cardinal: 221401152 can be written as Two hundred twenty-one million, four hundred one thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.21401152 × 10⁸

Factors of 221401152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1332

Divisors of 221401152

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 43 48 56 63 64 72 84 86 96 112 126 129 144 168 172 192 224 252 258 288 301 336 344 387 448 504 516 576 602 672 688 774 903 1008 1032 1204 1277 1344 1376 1548 1806 2016 2064 2408 2554 2709 2752 3096 3612 3831 4032 4128 4816 5108 5418 6192 7224 7662 8256 8939 9632 10216 10836 11493 12384 14448 15324 17878 19264 20432 21672 22986 24768 26817 28896 30648 35756 40864 43344 45972 53634 54911 57792 61296 71512 80451 81728 86688 91944 107268 109822 122592 143024 160902 164733 173376 183888 214536 219644 245184 286048 321804 329466 367776 384377 429072 439288 494199 572096 643608 658932 735552 768754 858144 878576 988398 1153131 1287216 1317864 1537508 1716288 1757152 1976796 2306262 2574432 2635728 3075016 3459393 3514304 3953592 4612524 5148864 5271456 6150032 6918786 7907184 9225048 10542912 12300064 13837572 15814368 18450096 24600128 27675144 31628736 36900192 55350288 73800384 110700576 221401152
• Sum of all divisors σ(n): 742712256
• Sum of proper divisors (its aliquot sum) s(n): 521311104
• 221401152 is an abundant number, because the sum of its proper divisors (521311104) is greater than itself. Its abundance is 299909952

Bases of 221401152

• Binary: 1101001100100101000001000000₂
• Hexadecimal: 0xD325040
• Base-36: 3NTE80

Squares and roots of 221401152

• 221401152 squared (221401152²) is 49018470106927104
• 221401152 cubed (221401152³) is 10852745750951224005623808
• The square root of 221401152 is 14879.5548320505
• The cube root of 221401152 is 604.9599518149

Scales and comparisons

• 221,401,152 seconds is equal to 7 years, 2 weeks, 12 hours, 19 minutes, 12 seconds.
• To count from 1 to 221,401,152 would take you about ten 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 221401152 cubic inches would be around 50.4 feet tall.

Recreational maths with 221401152

• 221401152 backwards is 251104122
• 221401152 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 221401152's digits is 18
• More coming soon!