2638427428

Names of 2638427428

• Cardinal: 2638427428 can be written as Two billion, six hundred thirty-eight million, four hundred twenty-seven thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.638427428 × 10⁹

Factors of 2638427428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3675

Divisors of 2638427428

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 13 14 23 26 28 46 52 89 91 92 161 178 182 299 322 356 364 598 623 644 1157 1196 1246 2047 2093 2314 2492 3541 4094 4186 4628 7082 8099 8188 8372 14164 14329 16198 24787 26611 28658 32396 46033 49574 53222 57316 81443 92066 99148 106444 162886 184132 186277 315149 322231 325772 372554 570101 630298 644462 745108 1058759 1140202 1260596 1288924 2117518 2206043 2280404 4096937 4235036 4412086 7248427 7411313 8193874 8824172 14496854 14822626 16387748 28678559 28993708 29645252 50738989 57357118 94229551 101477978 114714236 188459102 202955956 376918204 659606857 1319213714 2638427428
• Sum of all divisors σ(n): 5998164480
• Sum of proper divisors (its aliquot sum) s(n): 3359737052
• 2638427428 is an abundant number, because the sum of its proper divisors (3359737052) is greater than itself. Its abundance is 721309624

Bases of 2638427428

• Binary: 10011101010000110011010100100100₂
• Hexadecimal: 0x9D433524
• Base-36: 17MUNMS

Squares and roots of 2638427428

• 2638427428 squared (2638427428²) is 6961299292822695184
• 2638427428 cubed (2638427428³) is 18366882988700402514349106752
• The square root of 2638427428 is 51365.6249645617
• The cube root of 2638427428 is 1381.8101688169

Scales and comparisons

• 2,638,427,428 seconds is equal to 83 years, 46 weeks, 3 days, 8 hours, 30 minutes, 28 seconds.
• To count from 1 to 2,638,427,428 would take you about one hundred sixty-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 2638427428 cubic inches would be around 115.2 feet tall.

Recreational maths with 2638427428

• 2638427428 backwards is 8247248362
• 2638427428 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2638427428's digits is 46
• More coming soon!