18289768448

Names of 18289768448

• Cardinal: 18289768448 can be written as Eighteen billion, two hundred eighty-nine million, seven hundred sixty-eight thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.8289768448 × 10¹⁰

Factors of 18289768448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 920

Divisors of 18289768448

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 56 64 76 83 112 128 133 152 166 224 256 266 304 332 448 512 532 581 608 664 809 896 1024 1064 1162 1216 1328 1577 1618 1792 2048 2128 2324 2432 2656 3154 3236 3584 4256 4648 4864 5312 5663 6308 6472 7168 8512 9296 9728 10624 11039 11326 12616 12944 14336 15371 17024 18592 19456 21248 22078 22652 25232 25888 30742 34048 37184 38912 42496 44156 45304 50464 51776 61484 67147 68096 74368 84992 88312 90608 100928 103552 107597 122968 134294 136192 148736 169984 176624 181216 201856 207104 215194 245936 268588 272384 297472 353248 362432 403712 414208 430388 470029 491872 537176 594944 706496 724864 807424 828416 860776 940058 983744 1074352 1189888 1275793 1412992 1449728 1614848 1656832 1721552 1880116 1967488 2148704 2551586 2825984 2899456 3229696 3443104 3760232 3934976 4297408 5103172 5651968 5798912 6886208 7520464 7869952 8594816 8930551 10206344 11303936 11597824 13772416 15040928 15739904 17189632 17861102 20412688 22607872 27544832 30081856 31479808 34379264 35722204 40825376 55089664 60163712 68758528 71444408 81650752 110179328 120327424 137517056 142888816 163301504 220358656 240654848 285777632 326603008 481309696 571555264 653206016 962619392 1143110528 1306412032 2286221056 2612824064 4572442112 9144884224 18289768448
• Sum of all divisors σ(n): 44579808000
• Sum of proper divisors (its aliquot sum) s(n): 26290039552
• 18289768448 is an abundant number, because the sum of its proper divisors (26290039552) is greater than itself. Its abundance is 8000271104

Bases of 18289768448

• Binary: 10001000010001001111011100000000000₂
• Hexadecimal: 0x44227B800
• Base-36: 8EH97NK

Squares and roots of 18289768448

• 18289768448 squared (18289768448²) is 334515629881456328704
• 18289768448 cubed (18289768448³) is 6118213412768705941020335931392
• The square root of 18289768448 is 135239.6703929729
• The cube root of 18289768448 is 2634.7297123225

Scales and comparisons

• 18,289,768,448 seconds is equal to 581 years, 29 weeks, 3 hours, 14 minutes, 8 seconds.
• To count from 1 to 18,289,768,448 would take you about one thousand, one hundred sixty-three 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 18289768448 cubic inches would be around 219.6 feet tall.

Recreational maths with 18289768448

• 18289768448 backwards is 84486798281
• The number of decimal digits it has is: 11
• The sum of 18289768448's digits is 65
• More coming soon!