420164928

Names of 420164928

• Cardinal: 420164928 can be written as Four hundred twenty million, one hundred sixty-four thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20164928 × 10⁸

Factors of 420164928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14325

Divisors of 420164928

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 96 102 108 136 144 153 192 204 216 272 288 306 408 432 459 544 576 612 816 864 918 1088 1224 1632 1728 1836 2448 3264 3672 4896 7344 9792 14303 14688 28606 29376 42909 57212 85818 114424 128727 171636 228848 243151 257454 343272 386181 457696 486302 514908 686544 729453 772362 915392 972604 1029816 1373088 1458906 1544724 1945208 2059632 2188359 2746176 2917812 3089448 3890416 4119264 4376718 5835624 6178896 6565077 7780832 8238528 8753436 11671248 12357792 13130154 15561664 17506872 23342496 24715584 26260308 35013744 46684992 52520616 70027488 105041232 140054976 210082464 420164928
• Sum of all divisors σ(n): 1307957760
• Sum of proper divisors (its aliquot sum) s(n): 887792832
• 420164928 is an abundant number, because the sum of its proper divisors (887792832) is greater than itself. Its abundance is 467627904

Bases of 420164928

• Binary: 11001000010110011010101000000₂
• Hexadecimal: 0x190B3540
• Base-36: 6Y5LC0

Squares and roots of 420164928

• 420164928 squared (420164928²) is 176538566721245184
• 420164928 cubed (420164928³) is 74175314175655178805706752
• The square root of 420164928 is 20497.9249681523
• The cube root of 420164928 is 748.9852516669

Scales and comparisons

• 420,164,928 seconds is equal to 13 years, 18 weeks, 5 days, 28 minutes, 48 seconds.
• To count from 1 to 420,164,928 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 420164928 cubic inches would be around 62.4 feet tall.

Recreational maths with 420164928

• 420164928 backwards is 829461024
• 420164928 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 420164928's digits is 36
• More coming soon!