142206720

Names of 142206720

• Cardinal: 142206720 can be written as One hundred forty-two million, two hundred six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4220672 × 10⁸

Factors of 142206720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1316

Divisors of 142206720

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 256 290 320 348 384 435 464 480 580 640 696 768 870 928 960 1160 1277 1280 1392 1740 1856 1920 2320 2554 2784 3480 3712 3831 3840 4640 5108 5568 6385 6960 7424 7662 9280 10216 11136 12770 13920 15324 18560 19155 20432 22272 25540 27840 30648 37033 37120 38310 40864 51080 55680 61296 74066 76620 81728 102160 111099 111360 122592 148132 153240 163456 185165 204320 222198 245184 296264 306480 326912 370330 408640 444396 490368 555495 592528 612960 740660 817280 888792 980736 1110990 1185056 1225920 1481320 1634560 1777584 2221980 2370112 2451840 2962640 3555168 4443960 4740224 4903680 5925280 7110336 8887920 9480448 11850560 14220672 17775840 23701120 28441344 35551680 47402240 71103360 142206720
• Sum of all divisors σ(n): 470201760
• Sum of proper divisors (its aliquot sum) s(n): 327995040
• 142206720 is an abundant number, because the sum of its proper divisors (327995040) is greater than itself. Its abundance is 185788320

Bases of 142206720

• Binary: 1000011110011110011100000000₂
• Hexadecimal: 0x879E700
• Base-36: 2CNZEO

Squares and roots of 142206720

• 142206720 squared (142206720²) is 20222751213158400
• 142206720 cubed (142206720³) is 2875811119399276904448000
• The square root of 142206720 is 11925.0459118613
• The cube root of 142206720 is 521.9633861079

Scales and comparisons

• 142,206,720 seconds is equal to 4 years, 27 weeks, 21 hours, 52 minutes.
• To count from 1 to 142,206,720 would take you about six 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 142206720 cubic inches would be around 43.5 feet tall.

Recreational maths with 142206720

• 142206720 backwards is 027602241
• 142206720 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 142206720's digits is 24
• More coming soon!