149931810

Names of 149931810

• Cardinal: 149931810 can be written as One hundred forty-nine million, nine hundred thirty-one thousand, eight hundred ten.

Scientific notation

• Scientific notation: 1.4993181 × 10⁸

Factors of 149931810

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 901

Divisors of 149931810

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 31 35 42 45 54 62 63 70 81 90 93 105 126 135 155 162 186 189 210 217 270 279 310 315 378 405 434 465 558 567 630 651 810 837 853 930 945 1085 1134 1302 1395 1674 1706 1890 1953 2170 2511 2559 2790 2835 3255 3906 4185 4265 5022 5118 5670 5859 5971 6510 7677 8370 8530 9765 11718 11942 12555 12795 15354 17577 17913 19530 23031 25110 25590 26443 29295 29855 35154 35826 38385 46062 52886 53739 58590 59710 69093 76770 79329 87885 89565 107478 115155 132215 138186 158658 161217 175770 179130 185101 230310 237987 264430 268695 322434 345465 370202 396645 475974 483651 537390 555303 690930 713961 793290 806085 925505 967302 1110606 1189935 1427922 1612170 1665909 1851010 2141883 2379870 2418255 2776515 3331818 3569805 4283766 4836510 4997727 5553030 7139610 8329545 9995454 10709415 14993181 16659090 21418830 24988635 29986362 49977270 74965905 149931810
• Sum of all divisors σ(n): 476163072
• Sum of proper divisors (its aliquot sum) s(n): 326231262
• 149931810 is an abundant number, because the sum of its proper divisors (326231262) is greater than itself. Its abundance is 176299452

Bases of 149931810

• Binary: 1000111011111100011100100010₂
• Hexadecimal: 0x8EFC722
• Base-36: 2H9K4I

Squares and roots of 149931810

• 149931810 squared (149931810²) is 22479547649876100
• 149931810 cubed (149931810³) is 3370399267127169948741000
• The square root of 149931810 is 12244.6645523673
• The cube root of 149931810 is 531.2487582901

Scales and comparisons

• 149,931,810 seconds is equal to 4 years, 39 weeks, 6 days, 7 hours, 43 minutes, 30 seconds.
• To count from 1 to 149,931,810 would take you about 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 149931810 cubic inches would be around 44.3 feet tall.

Recreational maths with 149931810

• 149931810 backwards is 018139941
• The number of decimal digits it has is: 9
• The sum of 149931810's digits is 36
• More coming soon!