420379128

Names of 420379128

• Cardinal: 420379128 can be written as Four hundred twenty million, three hundred seventy-nine thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20379128 × 10⁸

Factors of 420379128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 975

Divisors of 420379128

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 17 18 24 26 29 34 36 39 51 52 58 68 72 78 87 102 104 116 117 136 153 156 174 204 221 232 234 261 306 312 348 377 408 442 468 493 522 612 663 696 754 884 911 936 986 1044 1131 1224 1326 1479 1508 1768 1822 1972 1989 2088 2262 2652 2733 2958 3016 3393 3644 3944 3978 4437 4524 5304 5466 5916 6409 6786 7288 7956 8199 8874 9048 10932 11832 11843 12818 13572 15487 15912 16398 17748 19227 21864 23686 25636 26419 27144 30974 32796 35496 35529 38454 46461 47372 51272 52838 57681 61948 65592 71058 76908 79257 92922 94744 105676 106587 115362 123896 139383 142116 153816 158514 185844 201331 211352 213174 230724 237771 278766 284232 317028 343447 371688 402662 426348 449123 461448 475542 557532 603993 634056 686894 805324 852696 898246 951084 1030341 1115064 1207986 1347369 1373788 1610648 1796492 1811979 1902168 2060682 2415972 2694738 2747576 3091023 3592984 3623958 4042107 4121364 4831944 5389476 5838599 6182046 7247916 8084214 8242728 10778952 11677198 12364092 14495832 16168428 17515797 23354396 24728184 32336856 35031594 46708792 52547391 70063188 105094782 140126376 210189564 420379128
• Sum of all divisors σ(n): 1344470400
• Sum of proper divisors (its aliquot sum) s(n): 924091272
• 420379128 is an abundant number, because the sum of its proper divisors (924091272) is greater than itself. Its abundance is 503712144

Bases of 420379128

• Binary: 11001000011100111100111111000₂
• Hexadecimal: 0x190E79F8
• Base-36: 6YA6M0

Squares and roots of 420379128

• 420379128 squared (420379128²) is 176718611258040384
• 420379128 cubed (420379128³) is 74288815702025999614705152
• The square root of 420379128 is 20503.1492215221
• The cube root of 420379128 is 749.1125075571

Scales and comparisons

• 420,379,128 seconds is equal to 13 years, 19 weeks, 11 hours, 58 minutes, 48 seconds.
• To count from 1 to 420,379,128 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 420379128 cubic inches would be around 62.4 feet tall.

Recreational maths with 420379128

• 420379128 backwards is 821973024
• 420379128 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 420379128's digits is 36
• More coming soon!