145237424820

Names of 145237424820

• Cardinal: 145237424820 can be written as One hundred forty-five billion, two hundred thirty-seven million, four hundred twenty-four thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.4523742482 × 10¹¹

Factors of 145237424820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 47083

Divisors of 145237424820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1723 1860 3446 5169 6892 8615 10338 17230 20676 25845 34460 45319 51690 53413 90638 103380 106826 135957 160239 181276 213652 226595 267065 271914 320478 453190 534130 543828 640956 679785 801195 906380 1068260 1359570 1404889 1602390 2719140 2809778 3204780 4214667 5619556 7024445 8429334 14048890 16858668 21073335 28097780 42146670 78084637 84293340 156169274 234253911 312338548 390423185 468507822 780846370 937015644 1171269555 1561692740 2342539110 2420623747 4685078220 4841247494 7261871241 9682494988 12103118735 14523742482 24206237470 29047484964 36309356205 48412474940 72618712410 145237424820
• Sum of all divisors σ(n): 420035911680
• Sum of proper divisors (its aliquot sum) s(n): 274798486860
• 145237424820 is an abundant number, because the sum of its proper divisors (274798486860) is greater than itself. Its abundance is 129561062040

Bases of 145237424820

• Binary: 10000111010000110100110011101010110100₂
• Hexadecimal: 0x21D0D33AB4
• Base-36: 1UPYM27O

Squares and roots of 145237424820

• 145237424820 squared (145237424820²) is 21093909568345152032400
• 145237424820 cubed (145237424820³) is 3063625105092407670117165204168000
• The square root of 145237424820 is 381100.2818419319
• The cube root of 145237424820 is 5256.4537391009

Scales and comparisons

• 145,237,424,820 seconds is equal to 4,618 years, 5 weeks, 1 day, 17 hours, 7 minutes.
• To count from 1 to 145,237,424,820 would take you about nine thousand, two hundred thirty-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 145237424820 cubic inches would be around 438 feet tall.

Recreational maths with 145237424820

• 145237424820 backwards is 028424732541
• The number of decimal digits it has is: 12
• The sum of 145237424820's digits is 42
• More coming soon!