149936640

Names of 149936640

• Cardinal: 149936640 can be written as One hundred forty-nine million, nine hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.4993664 × 10⁸

Factors of 149936640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2806

Divisors of 149936640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 512 560 640 672 768 840 896 960 1120 1280 1344 1536 1680 1792 1920 2240 2560 2688 2789 3360 3584 3840 4480 5376 5578 6720 7680 8367 8960 10752 11156 13440 13945 16734 17920 19523 22312 26880 27890 33468 39046 41835 44624 53760 55780 58569 66936 78092 83670 89248 97615 111560 117138 133872 156184 167340 178496 195230 223120 234276 267744 292845 312368 334680 356992 390460 446240 468552 535488 585690 624736 669360 713984 780920 892480 937104 1070976 1171380 1249472 1338720 1427968 1561840 1784960 1874208 2141952 2342760 2498944 2677440 3123680 3569920 3748416 4283904 4685520 4997888 5354880 6247360 7139840 7496832 9371040 9995776 10709760 12494720 14993664 18742080 21419520 24989440 29987328 37484160 49978880 74968320 149936640
• Sum of all divisors σ(n): 548000640
• Sum of proper divisors (its aliquot sum) s(n): 398064000
• 149936640 is an abundant number, because the sum of its proper divisors (398064000) is greater than itself. Its abundance is 248127360

Bases of 149936640

• Binary: 1000111011111101101000000000₂
• Hexadecimal: 0x8EFDA00
• Base-36: 2H9NUO

Squares and roots of 149936640

• 149936640 squared (149936640²) is 22480996014489600
• 149936640 cubed (149936640³) is 3370725006265961938944000
• The square root of 149936640 is 12244.8617795383
• The cube root of 149936640 is 531.2544628921

Scales and comparisons

• 149,936,640 seconds is equal to 4 years, 39 weeks, 6 days, 9 hours, 4 minutes.
• To count from 1 to 149,936,640 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 149936640 cubic inches would be around 44.3 feet tall.

Recreational maths with 149936640

• 149936640 backwards is 046639941
• 149936640 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149936640's digits is 42
• More coming soon!