181380150

Names of 181380150

• Cardinal: 181380150 can be written as One hundred eighty-one million, three hundred eighty thousand, one hundred fifty.

Scientific notation

• Scientific notation: 1.8138015 × 10⁸

Factors of 181380150

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 899

Divisors of 181380150

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 71 75 90 105 126 142 150 175 210 213 225 315 350 355 426 450 497 525 630 639 710 811 994 1050 1065 1278 1491 1575 1622 1775 2130 2433 2485 2982 3150 3195 3550 4055 4473 4866 4970 5325 5677 6390 7299 7455 8110 8946 10650 11354 12165 12425 14598 14910 15975 17031 20275 22365 24330 24850 28385 31950 34062 36495 37275 40550 44730 51093 56770 57581 60825 72990 74550 85155 102186 111825 115162 121650 141925 170310 172743 182475 223650 255465 283850 287905 345486 364950 403067 425775 510930 518229 575810 806134 851550 863715 1036458 1209201 1277325 1439525 1727430 2015335 2418402 2554650 2591145 2879050 3627603 4030670 4318575 5182290 6046005 7255206 8637150 10076675 12092010 12955725 18138015 20153350 25911450 30230025 36276030 60460050 90690075 181380150
• Sum of all divisors σ(n): 565463808
• Sum of proper divisors (its aliquot sum) s(n): 384083658
• 181380150 is an abundant number, because the sum of its proper divisors (384083658) is greater than itself. Its abundance is 202703508

Bases of 181380150

• Binary: 1010110011111010010000110110₂
• Hexadecimal: 0xACFA436
• Base-36: 2ZZLTI

Squares and roots of 181380150

• 181380150 squared (181380150²) is 32898758814022500
• 181380150 cubed (181380150³) is 5967181808501223153375000
• The square root of 181380150 is 13467.7448000769
• The cube root of 181380150 is 566.0610234413

Scales and comparisons

• 181,380,150 seconds is equal to 5 years, 39 weeks, 6 days, 7 hours, 22 minutes, 30 seconds.
• To count from 1 to 181,380,150 would take you about eight 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 181380150 cubic inches would be around 47.2 feet tall.

Recreational maths with 181380150

• 181380150 backwards is 051083181
• The number of decimal digits it has is: 9
• The sum of 181380150's digits is 27
• More coming soon!