2121726828

Names of 2121726828

• Cardinal: 2121726828 can be written as Two billion, one hundred twenty-one million, seven hundred twenty-six thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 2.121726828 × 10⁹

Factors of 2121726828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 196

Divisors of 2121726828

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 47 52 78 94 131 141 156 188 262 282 393 524 564 611 786 1222 1572 1703 1833 2209 2444 3406 3666 4418 5109 6157 6627 6812 7332 8836 10218 12314 13254 18471 20436 24628 26508 28717 36942 57434 73884 80041 86151 103823 114868 160082 172302 207646 240123 289379 311469 320164 344604 415292 480246 578758 622938 868137 960492 1157516 1245876 1349699 1736274 2699398 3472548 3761927 4049097 5398796 7523854 8098194 11285781 13600813 15047708 16196388 22571562 27201626 40802439 45143124 54403252 81604878 163209756 176810569 353621138 530431707 707242276 1060863414 2121726828
• Sum of all divisors σ(n): 5489003520
• Sum of proper divisors (its aliquot sum) s(n): 3367276692
• 2121726828 is an abundant number, because the sum of its proper divisors (3367276692) is greater than itself. Its abundance is 1245549864

Bases of 2121726828

• Binary: 1111110011101101111101101101100₂
• Hexadecimal: 0x7E76FB6C
• Base-36: Z37YWC

Squares and roots of 2121726828

• 2121726828 squared (2121726828²) is 4501724732654941584
• 2121726828 cubed (2121726828³) is 9551430137545117225545615552
• The square root of 2121726828 is 46062.2060696189
• The cube root of 2121726828 is 1284.9803583225

Scales and comparisons

• 2,121,726,828 seconds is equal to 67 years, 24 weeks, 1 day, 33 minutes, 48 seconds.
• To count from 1 to 2,121,726,828 would take you about one hundred thirty-four 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 2121726828 cubic inches would be around 107.1 feet tall.

Recreational maths with 2121726828

• 2121726828 backwards is 8286271212
• 2121726828 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2121726828's digits is 39
• More coming soon!