149131200

Names of 149131200

• Cardinal: 149131200 can be written as One hundred forty-nine million, one hundred thirty-one thousand, two hundred.

Scientific notation

• Scientific notation: 1.491312 × 10⁸

Factors of 149131200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 31079

Divisors of 149131200

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 150 160 192 200 240 300 320 400 480 600 800 960 1200 1600 2400 4800 31069 62138 93207 124276 155345 186414 248552 310690 372828 466035 497104 621380 745656 776725 932070 994208 1242760 1491312 1553450 1864140 1988416 2330175 2485520 2982624 3106900 3728280 4660350 4971040 5965248 6213800 7456560 9320700 9942080 12427600 14913120 18641400 24855200 29826240 37282800 49710400 74565600 149131200
• Sum of all divisors σ(n): 489290360
• Sum of proper divisors (its aliquot sum) s(n): 340159160
• 149131200 is an abundant number, because the sum of its proper divisors (340159160) is greater than itself. Its abundance is 191027960

Bases of 149131200

• Binary: 1000111000111000111111000000₂
• Hexadecimal: 0x8E38FC0
• Base-36: 2GSEDC

Squares and roots of 149131200

• 149131200 squared (149131200²) is 22240114813440000
• 149131200 cubed (149131200³) is 3316695010266083328000000
• The square root of 149131200 is 12211.9285946161
• The cube root of 149131200 is 530.3014779391

Scales and comparisons

• 149,131,200 seconds is equal to 4 years, 38 weeks, 4 days, 1 hour, 20 minutes.
• To count from 1 to 149,131,200 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 149131200 cubic inches would be around 44.2 feet tall.

Recreational maths with 149131200

• 149131200 backwards is 002131941
• The number of decimal digits it has is: 9
• The sum of 149131200's digits is 21
• More coming soon!