1989230568

Names of 1989230568

• Cardinal: 1989230568 can be written as One billion, nine hundred eighty-nine million, two hundred thirty thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.989230568 × 10⁹

Factors of 1989230568

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4875

Divisors of 1989230568

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 31 39 43 52 62 78 86 93 104 124 129 156 172 186 248 258 312 344 372 403 516 559 744 806 1032 1118 1209 1333 1612 1677 2236 2418 2666 3224 3354 3999 4472 4783 4836 5332 6708 7998 9566 9672 10664 13416 14349 15996 17329 19132 28698 31992 34658 38264 51987 57396 62179 69316 103974 114792 124358 138632 148273 186537 205669 207948 248716 296546 373074 411338 415896 444819 497432 593092 617007 746148 822676 889638 1186184 1234014 1492296 1645352 1779276 1927549 2468028 2673697 3558552 3855098 4936056 5347394 5782647 6375739 7710196 8021091 10694788 11565294 12751478 15420392 16042182 19127217 21389576 23130588 25502956 32084364 38254434 46261176 51005912 64168728 76508868 82884607 153017736 165769214 248653821 331538428 497307642 663076856 994615284 1989230568
• Sum of all divisors σ(n): 5658132480
• Sum of proper divisors (its aliquot sum) s(n): 3668901912
• 1989230568 is an abundant number, because the sum of its proper divisors (3668901912) is greater than itself. Its abundance is 1679671344

Bases of 1989230568

• Binary: 1110110100100010011111111101000₂
• Hexadecimal: 0x76913FE8
• Base-36: WWC44O

Squares and roots of 1989230568

• 1989230568 squared (1989230568²) is 3957038252665602624
• 1989230568 cubed (1989230568³) is 7871461450947724221801810432
• The square root of 1989230568 is 44600.7911140599
• The cube root of 1989230568 is 1257.6555396273

Scales and comparisons

• 1,989,230,568 seconds is equal to 63 years, 13 weeks, 12 hours, 2 minutes, 48 seconds.
• To count from 1 to 1,989,230,568 would take you about one hundred twenty-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 1989230568 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989230568

• 1989230568 backwards is 8650329891
• The number of decimal digits it has is: 10
• The sum of 1989230568's digits is 51
• More coming soon!