38393128644

Names of 38393128644

• Cardinal: 38393128644 can be written as Thirty-eight billion, three hundred ninety-three million, one hundred twenty-eight thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 3.8393128644 × 10¹⁰

Factors of 38393128644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5074

Divisors of 38393128644

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 169 204 221 289 338 442 507 578 663 676 867 884 1014 1156 1326 1734 2028 2197 2652 2873 3468 3757 4394 5039 5746 6591 7514 8619 8788 10078 11271 11492 13182 15028 15117 17238 20156 22542 26364 30234 34476 37349 45084 48841 60468 65507 74698 85663 97682 112047 131014 146523 149396 171326 195364 196521 224094 256989 262028 293046 342652 393042 448188 513978 586092 634933 786084 851591 1027956 1113619 1269866 1456271 1703182 1904799 2227238 2539732 2554773 2912542 3340857 3406364 3809598 4368813 4454476 5109546 5825084 6681714 7619196 8737626 10219092 11070683 13363428 14477047 17475252 18931523 22141366 28954094 33212049 37863046 43431141 44282732 56794569 57908188 66424098 75726092 86862282 113589138 132848196 173724564 188201611 227178276 246109799 376403222 492219598 564604833 738329397 752806444 984439196 1129209666 1476658794 2258419332 2953317588 3199427387 6398854774 9598282161 12797709548 19196564322 38393128644
• Sum of all divisors σ(n): 103110739200
• Sum of proper divisors (its aliquot sum) s(n): 64717610556
• 38393128644 is an abundant number, because the sum of its proper divisors (64717610556) is greater than itself. Its abundance is 26324481912

Bases of 38393128644

• Binary: 100011110000011010001010011011000100₂
• Hexadecimal: 0x8F068A6C4
• Base-36: HMY9ZNO

Squares and roots of 38393128644

• 38393128644 squared (38393128644²) is 1474032327074733278736
• 38393128644 cubed (38393128644³) is 56592712758794918972499157713984
• The square root of 38393128644 is 195941.6460173793
• The cube root of 38393128644 is 3373.5294156573

Scales and comparisons

• 38,393,128,644 seconds is equal to 1,220 years, 40 weeks, 4 days, 21 hours, 57 minutes, 24 seconds.
• To count from 1 to 38,393,128,644 would take you about two thousand, four hundred forty-one 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 38393128644 cubic inches would be around 281.1 feet tall.

Recreational maths with 38393128644

• 38393128644 backwards is 44682139383
• 38393128644 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38393128644's digits is 51
• More coming soon!