213166890

Names of 213166890

• Cardinal: 213166890 can be written as Two hundred thirteen million, one hundred sixty-six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.1316689 × 10⁸

Factors of 213166890

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 29

Divisors of 213166890

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 81 90 95 114 135 162 171 190 243 270 285 342 361 405 486 513 570 722 729 810 855 1026 1083 1215 1458 1539 1710 1805 2166 2187 2430 2565 3078 3249 3610 3645 4374 4617 5130 5415 6498 6561 7290 7695 9234 9747 10830 10935 13122 13851 15390 16245 19494 19683 21870 23085 27702 29241 32490 32805 39366 41553 46170 48735 58482 59049 65610 69255 83106 87723 97470 98415 118098 124659 138510 146205 175446 196830 207765 249318 263169 292410 295245 373977 415530 438615 526338 590490 623295 747954 789507 877230 1121931 1246590 1315845 1579014 1869885 2243862 2368521 2631690 3739770 3947535 4737042 5609655 7105563 7895070 11219310 11842605 14211126 21316689 23685210 35527815 42633378 71055630 106583445 213166890
• Sum of all divisors σ(n): 607433634
• Sum of proper divisors (its aliquot sum) s(n): 394266744
• 213166890 is an abundant number, because the sum of its proper divisors (394266744) is greater than itself. Its abundance is 181099854

Bases of 213166890

• Binary: 1100101101001010101100101010₂
• Hexadecimal: 0xCB4AB2A
• Base-36: 3IWWMI

Squares and roots of 213166890

• 213166890 squared (213166890²) is 45440122992272100
• 213166890 cubed (213166890³) is 9686329699480137590769000
• The square root of 213166890 is 14600.2359569975
• The cube root of 213166890 is 597.3651966217

Scales and comparisons

• 213,166,890 seconds is equal to 6 years, 40 weeks, 3 days, 5 hours, 1 minute, 30 seconds.
• To count from 1 to 213,166,890 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 213166890 cubic inches would be around 49.8 feet tall.

Recreational maths with 213166890

• 213166890 backwards is 098661312
• The number of decimal digits it has is: 9
• The sum of 213166890's digits is 36
• More coming soon!