28909741672

Names of 28909741672

• Cardinal: 28909741672 can be written as Twenty-eight billion, nine hundred nine million, seven hundred forty-one thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8909741672 × 10¹⁰

Factors of 28909741672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 44980

Divisors of 28909741672

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 31 49 53 56 62 98 106 124 196 212 217 248 371 392 424 434 742 868 1484 1519 1643 1736 2597 2968 3038 3286 5194 6076 6572 10388 11501 12152 13144 20776 23002 44887 46004 80507 89774 92008 161014 179548 314209 322028 359096 628418 644056 1256836 1391497 2199463 2379011 2513672 2782994 4398926 4758022 5565988 8797852 9516044 9740479 11131976 16653077 17595704 19032088 19480958 33306154 38961916 66612308 68183353 73749341 77923832 116571539 133224616 136366706 147498682 233143078 272733412 294997364 466286156 516245387 545466824 589994728 932572312 1032490774 2064981548 3613717709 4129963096 7227435418 14454870836 28909741672
• Sum of all divisors σ(n): 66319326720
• Sum of proper divisors (its aliquot sum) s(n): 37409585048
• 28909741672 is an abundant number, because the sum of its proper divisors (37409585048) is greater than itself. Its abundance is 8499843376

Bases of 28909741672

• Binary: 11010111011001001111010011001101000₂
• Hexadecimal: 0x6BB27A668
• Base-36: DA443FS

Squares and roots of 28909741672

• 28909741672 squared (28909741672²) is 835773163541773355584
• 28909741672 cubed (28909741672³) is 24161986254382876290706038696448
• The square root of 28909741672 is 170028.6495623605
• The cube root of 28909741672 is 3069.1261318243

Scales and comparisons

• 28,909,741,672 seconds is equal to 919 years, 12 weeks, 3 days, 11 hours, 47 minutes, 52 seconds.
• To count from 1 to 28,909,741,672 would take you about one thousand, eight hundred thirty-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 28909741672 cubic inches would be around 255.8 feet tall.

Recreational maths with 28909741672

• 28909741672 backwards is 27614790982
• The number of decimal digits it has is: 11
• The sum of 28909741672's digits is 55
• More coming soon!