7142985642

Names of 7142985642

• Cardinal: 7142985642 can be written as Seven billion, one hundred forty-two million, nine hundred eighty-five thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 7.142985642 × 10⁹

Factors of 7142985642

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 233

Divisors of 7142985642

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 13 17 26 34 37 39 41 51 53 67 74 78 82 102 106 111 123 134 159 201 221 222 246 318 402 442 481 533 629 663 689 697 871 901 962 1066 1139 1258 1326 1378 1394 1443 1517 1599 1742 1802 1887 1961 2067 2091 2173 2278 2479 2613 2703 2747 2886 3034 3198 3417 3551 3774 3922 4134 4182 4346 4551 4958 5226 5406 5494 5883 6519 6834 7102 7437 8177 8241 9061 9102 10653 11713 11766 13038 14807 14874 16354 16482 18122 19721 21306 23426 24531 25493 25789 27183 28249 29614 32227 33337 35139 35711 36941 39442 42143 44421 46163 46699 49062 50986 51578 54366 56498 59163 60367 64454 66674 70278 71422 73882 76479 77367 80401 84286 84747 88842 92326 93398 96681 100011 101639 107133 110823 118326 120734 126429 131387 138489 140097 145591 152958 154734 160802 169494 181101 193362 200022 203278 214266 221646 241203 252858 262774 276978 280194 291182 304917 335257 362202 394161 433381 436773 480233 482406 547859 607087 609834 670514 784771 788322 866762 873546 960466 1005771 1045213 1095718 1214174 1300143 1321307 1366817 1440699 1569542 1643577 1708031 1727863 1821261 1892683 2011542 2090426 2233579 2354313 2475047 2600286 2642614 2733634 2881398 3135639 3287154 3416062 3455726 3642522 3785366 3963921 4100451 4467158 4708626 4950094 5124093 5183589 5386867 5678049 6271278 6700737 7425141 7927842 8200902 10248186 10367178 10773734 11356098 13401474 14850282 16160601 17768621 22462219 29036527 32175611 32321202 35537242 44924438 53305863 58073054 64351222 67386657 70029271 87109581 91576739 96526833 106611726 134773314 140058542 174219162 183153478 193053666 210087813 274730217 420175626 549460434 1190497607 2380995214 3571492821 7142985642
• Sum of all divisors σ(n): 17722188288
• Sum of proper divisors (its aliquot sum) s(n): 10579202646
• 7142985642 is an abundant number, because the sum of its proper divisors (10579202646) is greater than itself. Its abundance is 3436217004

Bases of 7142985642

• Binary: 110101001110000010100111110101010₂
• Hexadecimal: 0x1A9C14FAA
• Base-36: 3A4QYZU

Squares and roots of 7142985642

• 7142985642 squared (7142985642²) is 51022243881818152164
• 7142985642 cubed (7142985642³) is 364451155470449405762423229288
• The square root of 7142985642 is 84516.1856806139
• The cube root of 7142985642 is 1925.8683341291

Scales and comparisons

• 7,142,985,642 seconds is equal to 227 years, 6 weeks, 3 days, 10 hours, 40 minutes, 42 seconds.
• To count from 1 to 7,142,985,642 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 7142985642 cubic inches would be around 160.5 feet tall.

Recreational maths with 7142985642

• 7142985642 backwards is 2465892417
• The number of decimal digits it has is: 10
• The sum of 7142985642's digits is 48
• More coming soon!