420394281970

Names of 420394281970

• Cardinal: 420394281970 can be written as Four hundred twenty billion, three hundred ninety-four million, two hundred eighty-one thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 4.2039428197 × 10¹¹

Factors of 420394281970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 472087

Divisors of 420394281970

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 10 13 17 26 31 34 62 65 85 130 155 169 170 221 310 338 403 442 527 806 845 1054 1105 1690 2015 2210 2635 2873 4030 5239 5270 5746 6851 10478 13702 14365 26195 28730 34255 52390 68510 89063 178126 445315 472019 890630 944038 2360095 4720190 6136247 8024323 12272494 14632589 16048646 29265178 30681235 40121615 61362470 73162945 79771211 80243230 104316199 146325890 159542422 190223657 208632398 248754013 380447314 398856055 497508026 521580995 797712110 951118285 1043161990 1243770065 1356110587 1902236570 2472907541 2487540130 2712221174 3233802169 4945815082 6467604338 6780552935 12364537705 13561105870 16169010845 24729075410 32338021690 42039428197 84078856394 210197140985 420394281970
• Sum of all divisors σ(n): 895584314880
• Sum of proper divisors (its aliquot sum) s(n): 475190032910
• 420394281970 is an abundant number, because the sum of its proper divisors (475190032910) is greater than itself. Its abundance is 54795750940

Bases of 420394281970

• Binary: 110000111100001011100111010101111110010₂
• Hexadecimal: 0x61E173ABF2
• Base-36: 5D4JWFZM

Squares and roots of 420394281970

• 420394281970 squared (420394281970²) is 176731352313071867080900
• 420394281970 cubed (420394281970³) is 74296849957240946206482235401373000
• The square root of 420394281970 is 648378.1936262199
• The cube root of 420394281970 is 7491.2150886991

Scales and comparisons

• 420,394,281,970 seconds is equal to 13,367 years, 12 weeks, 2 days, 13 hours, 26 minutes, 10 seconds.
• To count from 1 to 420,394,281,970 would take you about twenty-six thousand, seven hundred thirty-four 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 420394281970 cubic inches would be around 624.3 feet tall.

Recreational maths with 420394281970

• 420394281970 backwards is 079182493024
• The number of decimal digits it has is: 12
• The sum of 420394281970's digits is 49
• More coming soon!