38972340

Names of 38972340

• Cardinal: 38972340 can be written as Thirty-eight million, nine hundred seventy-two thousand, three hundred forty.

Scientific notation

• Scientific notation: 3.897234 × 10⁷

Factors of 38972340

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 21

Divisors of 38972340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 132 135 162 165 180 198 220 243 270 297 324 330 396 405 486 495 540 594 660 729 810 891 972 990 1188 1215 1458 1485 1620 1782 1980 2187 2430 2673 2916 2970 3564 3645 4374 4455 4860 5346 5940 6561 7290 8019 8748 8910 10692 10935 13122 13365 14580 16038 17820 19683 21870 24057 26244 26730 32076 32805 39366 40095 43740 48114 53460 59049 65610 72171 78732 80190 96228 98415 118098 120285 131220 144342 160380 177147 196830 216513 236196 240570 288684 295245 354294 360855 393660 433026 481140 590490 649539 708588 721710 866052 885735 1082565 1180980 1299078 1443420 1771470 1948617 2165130 2598156 3247695 3542940 3897234 4330260 6495390 7794468 9743085 12990780 19486170 38972340
• Sum of all divisors σ(n): 133922880
• Sum of proper divisors (its aliquot sum) s(n): 94950540
• 38972340 is an abundant number, because the sum of its proper divisors (94950540) is greater than itself. Its abundance is 55978200

Bases of 38972340

• Binary: 10010100101010101110110100₂
• Hexadecimal: 0x252ABB4
• Base-36: N7B90

Squares and roots of 38972340

• 38972340 squared (38972340²) is 1518843285075600
• 38972340 cubed (38972340³) is 59192876912683208904000
• The square root of 38972340 is 6242.7830332311
• The cube root of 38972340 is 339.0409536239

Scales and comparisons

• 38,972,340 seconds is equal to 1 year, 12 weeks, 3 days, 1 hour, 39 minutes.
• To count from 1 to 38,972,340 would take you about forty-four 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 38972340 cubic inches would be around 28.3 feet tall.

Recreational maths with 38972340

• 38972340 backwards is 04327983
• 38972340 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 38972340's digits is 36
• More coming soon!