538242642

Names of 538242642

• Cardinal: 538242642 can be written as Five hundred thirty-eight million, two hundred forty-two thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 5.38242642 × 10⁸

Factors of 538242642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2465

Divisors of 538242642

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 42 46 63 69 79 126 138 158 161 207 237 322 414 474 483 553 711 966 1106 1422 1449 1659 1817 2351 2898 3318 3634 4702 4977 5451 7053 9954 10902 12719 14106 16353 16457 21159 25438 32706 32914 38157 42318 49371 54073 76314 98742 108146 114471 148113 162219 185729 228942 296226 324438 371458 378511 486657 557187 757022 973314 1114374 1135533 1300103 1671561 2271066 2600206 3343122 3406599 3900309 4271767 6813198 7800618 8543534 11700927 12815301 23401854 25630602 29902369 38445903 59804738 76891806 89707107 179414214 269121321 538242642
• Sum of all divisors σ(n): 1408942080
• Sum of proper divisors (its aliquot sum) s(n): 870699438
• 538242642 is an abundant number, because the sum of its proper divisors (870699438) is greater than itself. Its abundance is 332456796

Bases of 538242642

• Binary: 100000000101001110111001010010₂
• Hexadecimal: 0x2014EE52
• Base-36: 8WGEOI

Squares and roots of 538242642

• 538242642 squared (538242642²) is 289705141667140164
• 538242642 cubed (538242642³) is 155931660851905806455673288
• The square root of 538242642 is 23200.0569395853
• The cube root of 538242642 is 813.4409539501

Scales and comparisons

• 538,242,642 seconds is equal to 17 years, 5 weeks, 6 days, 15 hours, 50 minutes, 42 seconds.
• To count from 1 to 538,242,642 would take you about twenty-five 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 538242642 cubic inches would be around 67.8 feet tall.

Recreational maths with 538242642

• 538242642 backwards is 246242835
• The number of decimal digits it has is: 9
• The sum of 538242642's digits is 36
• More coming soon!