421387340

Names of 421387340

• Cardinal: 421387340 can be written as Four hundred twenty-one million, three hundred eighty-seven thousand, three hundred forty.

Scientific notation

• Scientific notation: 4.2138734 × 10⁸

Factors of 421387340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 227

Divisors of 421387340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 11 20 22 31 41 44 55 62 82 110 121 124 137 155 164 205 220 242 274 310 341 410 451 484 548 605 620 682 685 820 902 1210 1271 1364 1370 1507 1705 1804 2255 2420 2542 2740 3014 3410 3751 4247 4510 4961 5084 5617 6028 6355 6820 7502 7535 8494 9020 9922 11234 12710 13981 15004 15070 16577 16988 18755 19844 21235 22468 24805 25420 27962 28085 30140 33154 37510 42470 46717 49610 55924 56170 61787 66308 69905 75020 82885 84940 93434 99220 112340 123574 139810 153791 165770 174127 186868 233585 247148 279620 307582 308935 331540 348254 467170 513887 615164 617870 679657 696508 768955 870635 934340 1027774 1235740 1359314 1537910 1741270 1915397 2055548 2569435 2718628 3075820 3398285 3482540 3830794 5138870 6796570 7661588 9576985 10277740 13593140 19153970 21069367 38307940 42138734 84277468 105346835 210693670 421387340
• Sum of all divisors σ(n): 1036046592
• Sum of proper divisors (its aliquot sum) s(n): 614659252
• 421387340 is an abundant number, because the sum of its proper divisors (614659252) is greater than itself. Its abundance is 193271912

Bases of 421387340

• Binary: 11001000111011101110001001100₂
• Hexadecimal: 0x191DDC4C
• Base-36: 6YVSJW

Squares and roots of 421387340

• 421387340 squared (421387340²) is 177567290312275600
• 421387340 cubed (421387340³) is 74824608135697584430904000
• The square root of 421387340 is 20527.7212568761
• The cube root of 421387340 is 749.7109048759

Scales and comparisons

• 421,387,340 seconds is equal to 13 years, 20 weeks, 5 days, 4 hours, 2 minutes, 20 seconds.
• To count from 1 to 421,387,340 would take you about twenty 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 421387340 cubic inches would be around 62.5 feet tall.

Recreational maths with 421387340

• 421387340 backwards is 043783124
• The number of decimal digits it has is: 9
• The sum of 421387340's digits is 32
• More coming soon!