19749351492

Names of 19749351492

• Cardinal: 19749351492 can be written as Nineteen billion, seven hundred forty-nine million, three hundred fifty-one thousand, four hundred ninety-two.

Scientific notation

• Scientific notation: 1.9749351492 × 10¹⁰

Factors of 19749351492

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5868

Divisors of 19749351492

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 43 52 78 86 117 129 156 169 172 234 258 338 387 468 507 516 559 676 774 1014 1118 1521 1548 1677 2028 2197 2236 3042 3354 4394 5031 5807 6084 6591 6708 7267 8788 10062 11614 13182 14534 17421 19773 20124 21801 23228 26364 29068 34842 39546 43602 52263 65403 69684 75491 79092 87204 94471 104526 130806 150982 188942 209052 226473 249701 261612 283413 301964 377884 452946 499402 566826 679419 749103 850239 905892 981383 998804 1133652 1358838 1498206 1700478 1962766 2247309 2717676 2944149 2996412 3246113 3400956 3925532 4494618 5888298 6492226 8832447 8989236 9738339 11776596 12757979 12984452 17664894 19476678 25515958 29215017 35329788 38273937 38953356 42199469 51031916 58430034 76547874 84398938 114821811 116860068 126598407 153095748 168797876 229643622 253196814 379795221 459287244 506393628 548593097 759590442 1097186194 1519180884 1645779291 2194372388 3291558582 4937337873 6583117164 9874675746 19749351492
• Sum of all divisors σ(n): 55347452160
• Sum of proper divisors (its aliquot sum) s(n): 35598100668
• 19749351492 is an abundant number, because the sum of its proper divisors (35598100668) is greater than itself. Its abundance is 15848749176

Bases of 19749351492

• Binary: 10010011001001001110011000001000100₂
• Hexadecimal: 0x499273044
• Base-36: 92M9550

Squares and roots of 19749351492

• 19749351492 squared (19749351492²) is 390036884354562626064
• 19749351492 cubed (19749351492³) is 7702975523962812856064496487488
• The square root of 19749351492 is 140532.3859186913
• The cube root of 19749351492 is 2703.0305017945

Scales and comparisons

• 19,749,351,492 seconds is equal to 627 years, 50 weeks, 2 days, 10 hours, 58 minutes, 12 seconds.
• To count from 1 to 19,749,351,492 would take you about one thousand, two hundred fifty-five 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 19749351492 cubic inches would be around 225.3 feet tall.

Recreational maths with 19749351492

• 19749351492 backwards is 29415394791
• The number of decimal digits it has is: 11
• The sum of 19749351492's digits is 54
• More coming soon!