1242121572

Names of 1242121572

• Cardinal: 1242121572 can be written as One billion, two hundred forty-two million, one hundred twenty-one thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 1.242121572 × 10⁹

Factors of 1242121572

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8148

Divisors of 1242121572

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 59 73 118 146 177 219 236 292 354 438 531 657 708 876 1062 1314 2124 2628 4307 8011 8614 12921 16022 17228 24033 25842 32044 38763 48066 51684 72099 77526 96132 144198 155052 288396 472649 584803 945298 1169606 1417947 1754409 1890596 2339212 2835894 3508818 4253841 5263227 5671788 7017636 8507682 10526454 17015364 21052908 34503377 69006754 103510131 138013508 207020262 310530393 414040524 621060786 1242121572
• Sum of all divisors σ(n): 3237168480
• Sum of proper divisors (its aliquot sum) s(n): 1995046908
• 1242121572 is an abundant number, because the sum of its proper divisors (1995046908) is greater than itself. Its abundance is 752925336

Bases of 1242121572

• Binary: 1001010000010010100010101100100₂
• Hexadecimal: 0x4A094564
• Base-36: KJIZ50

Squares and roots of 1242121572

• 1242121572 squared (1242121572²) is 1542865999627751184
• 1242121572 cubed (1242121572³) is 1916427140842973715494941248
• The square root of 1242121572 is 35243.7451471887
• The cube root of 1242121572 is 1074.9494324871

Scales and comparisons

• 1,242,121,572 seconds is equal to 39 years, 25 weeks, 5 days, 9 hours, 46 minutes, 12 seconds.
• To count from 1 to 1,242,121,572 would take you about seventy-eight 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 1242121572 cubic inches would be around 89.6 feet tall.

Recreational maths with 1242121572

• 1242121572 backwards is 2751212421
• The number of decimal digits it has is: 10
• The sum of 1242121572's digits is 27
• More coming soon!