40021400

Names of 40021400

• Cardinal: 40021400 can be written as Forty million, twenty-one thousand, four hundred.

Scientific notation

• Scientific notation: 4.00214 × 10⁷

Factors of 40021400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 252

Divisors of 40021400

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 17 20 25 34 40 50 68 79 85 100 136 149 158 170 200 298 316 340 395 425 596 632 680 745 790 850 1192 1343 1490 1580 1700 1975 2533 2686 2980 3160 3400 3725 3950 5066 5372 5960 6715 7450 7900 10132 10744 11771 12665 13430 14900 15800 20264 23542 25330 26860 29800 33575 47084 50660 53720 58855 63325 67150 94168 101320 117710 126650 134300 200107 235420 253300 268600 294275 400214 470840 506600 588550 800428 1000535 1177100 1600856 2001070 2354200 4002140 5002675 8004280 10005350 20010700 40021400
• Sum of all divisors σ(n): 100440000
• Sum of proper divisors (its aliquot sum) s(n): 60418600
• 40021400 is an abundant number, because the sum of its proper divisors (60418600) is greater than itself. Its abundance is 20397200

Bases of 40021400

• Binary: 10011000101010110110011000₂
• Hexadecimal: 0x262AD98
• Base-36: NTSPK

Squares and roots of 40021400

• 40021400 squared (40021400²) is 1601712457960000
• 40021400 cubed (40021400³) is 64102774965000344000000
• The square root of 40021400 is 6326.2469126647
• The cube root of 40021400 is 342.0561676043

Scales and comparisons

• 40,021,400 seconds is equal to 1 year, 14 weeks, 1 day, 5 hours, 3 minutes, 20 seconds.
• To count from 1 to 40,021,400 would take you about forty-seven 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 40021400 cubic inches would be around 28.5 feet tall.

Recreational maths with 40021400

• 40021400 backwards is 00412004
• The number of decimal digits it has is: 8
• The sum of 40021400's digits is 11
• More coming soon!