420002128

Names of 420002128

• Cardinal: 420002128 can be written as Four hundred twenty million, two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20002128 × 10⁸

Factors of 420002128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 51

Divisors of 420002128

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 29 49 52 56 58 91 98 104 112 116 182 196 203 208 232 343 364 377 392 406 464 637 686 728 754 784 812 841 1274 1372 1421 1456 1508 1624 1682 2401 2548 2639 2744 2842 3016 3248 3364 4459 4802 5096 5278 5488 5684 5887 6032 6728 8918 9604 9947 10192 10556 10933 11368 11774 13456 17836 18473 19208 19894 21112 21866 22736 23548 31213 35672 36946 38416 39788 41209 42224 43732 47096 62426 69629 71344 73892 76531 79576 82418 87464 94192 124852 129311 139258 147784 153062 159152 164836 174928 249704 258622 278516 288463 295568 306124 329672 499408 517244 535717 557032 576926 612248 659344 905177 1034488 1071434 1114064 1153852 1224496 1810354 2019241 2068976 2142868 2307704 3620708 3750019 4038482 4285736 4615408 7241416 7500038 8076964 8571472 14482832 15000076 16153928 26250133 30000152 32307856 52500266 60000304 105000532 210001064 420002128
• Sum of all divisors σ(n): 1058817214
• Sum of proper divisors (its aliquot sum) s(n): 638815086
• 420002128 is an abundant number, because the sum of its proper divisors (638815086) is greater than itself. Its abundance is 218812958

Bases of 420002128

• Binary: 11001000010001011100101010000₂
• Hexadecimal: 0x1908B950
• Base-36: 6Y23PS

Squares and roots of 420002128

• 420002128 squared (420002128²) is 176401787524528384
• 420002128 cubed (420002128³) is 74089126143305773476401152
• The square root of 420002128 is 20493.9534497373
• The cube root of 420002128 is 748.8885035071

Scales and comparisons

• 420,002,128 seconds is equal to 13 years, 18 weeks, 3 days, 3 hours, 15 minutes, 28 seconds.
• To count from 1 to 420,002,128 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 420002128 cubic inches would be around 62.4 feet tall.

Recreational maths with 420002128

• 420002128 backwards is 821200024
• The number of decimal digits it has is: 9
• The sum of 420002128's digits is 19
• More coming soon!