42640620

Names of 42640620

• Cardinal: 42640620 can be written as Forty-two million, six hundred forty thousand, six hundred twenty.

Scientific notation

• Scientific notation: 4.264062 × 10⁷

Factors of 42640620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 97

Divisors of 42640620

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 23 30 33 44 46 53 55 60 66 69 92 106 110 115 132 138 159 165 212 220 230 253 265 276 318 330 345 460 506 530 583 636 660 690 759 795 1012 1060 1166 1219 1265 1380 1518 1590 1749 2332 2438 2530 2809 2915 3036 3180 3498 3657 3795 4876 5060 5618 5830 6095 6996 7314 7590 8427 8745 11236 11660 12190 13409 14045 14628 15180 16854 17490 18285 24380 26818 28090 30899 33708 34980 36570 40227 42135 53636 56180 61798 64607 67045 73140 80454 84270 92697 123596 129214 134090 154495 160908 168540 185394 193821 201135 258428 268180 308990 323035 370788 387642 402270 463485 617980 646070 710677 775284 804540 926970 969105 1292140 1421354 1853940 1938210 2132031 2842708 3553385 3876420 4264062 7106770 8528124 10660155 14213540 21320310 42640620
• Sum of all divisors σ(n): 138523392
• Sum of proper divisors (its aliquot sum) s(n): 95882772
• 42640620 is an abundant number, because the sum of its proper divisors (95882772) is greater than itself. Its abundance is 53242152

Bases of 42640620

• Binary: 10100010101010010011101100₂
• Hexadecimal: 0x28AA4EC
• Base-36: PDXPO

Squares and roots of 42640620

• 42640620 squared (42640620²) is 1818222473984400
• 42640620 cubed (42640620³) is 77530133588628686328000
• The square root of 42640620 is 6529.9785604549
• The cube root of 42640620 is 349.3610656105

Scales and comparisons

• 42,640,620 seconds is equal to 1 year, 18 weeks, 3 days, 12 hours, 37 minutes.
• To count from 1 to 42,640,620 would take you about two 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 42640620 cubic inches would be around 29.1 feet tall.

Recreational maths with 42640620

• 42640620 backwards is 02604624
• The number of decimal digits it has is: 8
• The sum of 42640620's digits is 24
• More coming soon!