38423940

Names of 38423940

• Cardinal: 38423940 can be written as Thirty-eight million, four hundred twenty-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.842394 × 10⁷

Factors of 38423940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 387

Divisors of 38423940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 43 53 60 86 106 129 159 172 212 215 258 265 281 318 430 516 530 562 636 645 795 843 860 1060 1124 1290 1405 1590 1686 2279 2580 2810 3180 3372 4215 4558 5620 6837 8430 9116 11395 12083 13674 14893 16860 22790 24166 27348 29786 34185 36249 44679 45580 48332 59572 60415 68370 72498 74465 89358 120830 136740 144996 148930 178716 181245 223395 241660 297860 362490 446790 640399 724980 893580 1280798 1921197 2561596 3201995 3842394 6403990 7684788 9605985 12807980 19211970 38423940
• Sum of all divisors σ(n): 112565376
• Sum of proper divisors (its aliquot sum) s(n): 74141436
• 38423940 is an abundant number, because the sum of its proper divisors (74141436) is greater than itself. Its abundance is 35717496

Bases of 38423940

• Binary: 10010010100100110110000100₂
• Hexadecimal: 0x24A4D84
• Base-36: MVK3O

Squares and roots of 38423940

• 38423940 squared (38423940²) is 1476399165123600
• 38423940 cubed (38423940³) is 56729072936759298984000
• The square root of 38423940 is 6198.7047034037
• The cube root of 38423940 is 337.4431618963

Scales and comparisons

• 38,423,940 seconds is equal to 1 year, 11 weeks, 3 days, 17 hours, 19 minutes.
• To count from 1 to 38,423,940 would take you about forty-three weeks!

  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 38423940 cubic inches would be around 28.1 feet tall.

Recreational maths with 38423940

• 38423940 backwards is 04932483
• The number of decimal digits it has is: 8
• The sum of 38423940's digits is 33
• More coming soon!