7142257920

Names of 7142257920

• Cardinal: 7142257920 can be written as Seven billion, one hundred forty-two million, two hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 7.14225792 × 10⁹

Factors of 7142257920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 265726

Divisors of 7142257920

• Number of divisors d(n): 144
• 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 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 560 640 672 768 840 896 960 1120 1280 1344 1680 1792 1920 2240 2688 3360 3840 4480 5376 6720 8960 13440 26880 265709 531418 797127 1062836 1328545 1594254 1859963 2125672 2657090 3188508 3719926 3985635 4251344 5314180 5579889 6377016 7439852 7971270 8502688 9299815 10628360 11159778 12754032 14879704 15942540 17005376 18599630 21256720 22319556 25508064 27899445 29759408 31885080 34010752 37199260 42513440 44639112 51016128 55798890 59518816 63770160 68021504 74398520 85026880 89278224 102032256 111597780 119037632 127540320 148797040 170053760 178556448 204064512 223195560 238075264 255080640 297594080 340107520 357112896 446391120 476150528 510161280 595188160 714225792 892782240 1020322560 1190376320 1428451584 1785564480 2380752640 3571128960 7142257920
• Sum of all divisors σ(n): 26069339520
• Sum of proper divisors (its aliquot sum) s(n): 18927081600
• 7142257920 is an abundant number, because the sum of its proper divisors (18927081600) is greater than itself. Its abundance is 11784823680

Bases of 7142257920

• Binary: 110101001101101100011010100000000₂
• Hexadecimal: 0x1A9B63500
• Base-36: 3A4BDHC

Squares and roots of 7142257920

• 7142257920 squared (7142257920²) is 51011848195802726400
• 7142257920 cubed (7142257920³) is 364339776790309733387993088000
• The square root of 7142257920 is 84511.8803482681
• The cube root of 7142257920 is 1925.8029299027

Scales and comparisons

• 7,142,257,920 seconds is equal to 227 years, 5 weeks, 2 days, 32 minutes.
• To count from 1 to 7,142,257,920 would take you about four hundred fifty-four 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 7142257920 cubic inches would be around 160.5 feet tall.

Recreational maths with 7142257920

• 7142257920 backwards is 0297522417
• The number of decimal digits it has is: 10
• The sum of 7142257920's digits is 39
• More coming soon!