420742320128

Names of 420742320128

• Cardinal: 420742320128 can be written as Four hundred twenty billion, seven hundred forty-two million, three hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 4.20742320128 × 10¹¹

Factors of 420742320128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 495

Divisors of 420742320128

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 4 8 13 16 26 32 41 52 64 82 104 128 164 208 256 328 416 439 512 533 656 832 878 1024 1066 1312 1664 1756 2048 2132 2624 3328 3512 4096 4264 5248 5707 6656 7024 8528 10496 11414 13312 14048 17056 17999 20992 22828 26624 28096 34112 35998 41984 45656 53248 56192 68224 71996 83968 91312 112384 136448 143992 167936 182624 192721 224768 233987 272896 287984 365248 385442 449536 467974 545792 575968 730496 770884 899072 935948 1091584 1151936 1460992 1541768 1798144 1871896 2183168 2303872 2505373 2921984 3083536 3743792 4607744 5010746 5843968 6167072 7487584 7901561 9215488 10021492 11687936 12334144 14975168 15803122 18430976 20042984 23375872 24668288 29950336 31606244 36861952 40085968 49336576 59900672 63212488 73723904 80171936 98673152 102720293 119801344 126424976 160343872 197346304 205440586 239602688 252849952 320687744 394692608 410881172 479205376 505699904 641375488 789385216 821762344 958410752 1011399808 1282750976 1643524688 2022799616 2565501952 3287049376 4045599232 5131003904 6574098752 8091198464 10262007808 13148197504 16182396928 26296395008 32364793856 52592790016 105185580032 210371160064 420742320128
• Sum of all divisors σ(n): 930322869588
• Sum of proper divisors (its aliquot sum) s(n): 509580549460
• 420742320128 is an abundant number, because the sum of its proper divisors (509580549460) is greater than itself. Its abundance is 88838229332

Bases of 420742320128

• Binary: 110000111110110001100100101000000000000₂
• Hexadecimal: 0x61F6325000
• Base-36: 5DAB43Y8

Squares and roots of 420742320128

• 420742320128 squared (420742320128²) is 177024099946692433936384
• 420742320128 cubed (420742320128³) is 74481530530142335774017568114737152
• The square root of 420742320128 is 648646.5294195291
• The cube root of 420742320128 is 7493.2818068951

Scales and comparisons

• 420,742,320,128 seconds is equal to 13,378 years, 15 weeks, 5 days, 18 hours, 42 minutes, 8 seconds.
• To count from 1 to 420,742,320,128 would take you about twenty-six thousand, seven hundred fifty-six 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 420742320128 cubic inches would be around 624.4 feet tall.

Recreational maths with 420742320128

• 420742320128 backwards is 821023247024
• The number of decimal digits it has is: 12
• The sum of 420742320128's digits is 35
• More coming soon!