1989005928

Names of 1989005928

• Cardinal: 1989005928 can be written as One billion, nine hundred eighty-nine million, five thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.989005928 × 10⁹

Factors of 1989005928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 324

Divisors of 1989005928

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 71 78 84 91 101 104 127 142 156 168 182 202 213 254 273 284 303 312 364 381 404 426 497 508 546 568 606 707 728 762 808 852 889 923 994 1016 1092 1212 1313 1414 1491 1524 1651 1704 1778 1846 1988 2121 2184 2424 2626 2667 2769 2828 2982 3048 3302 3556 3692 3939 3976 4242 4953 5252 5334 5538 5656 5964 6461 6604 7112 7171 7384 7878 8484 9017 9191 9906 10504 10668 11076 11557 11928 12827 12922 13208 14342 15756 16968 18034 18382 19383 19812 21336 21513 22152 23114 25654 25844 27051 27573 28684 31512 34671 36068 36764 38481 38766 39624 43026 46228 50197 51308 51688 54102 55146 57368 63119 69342 72136 73528 76962 77532 86052 89789 92456 93223 100394 102616 108204 110292 117221 126238 138684 150591 153924 155064 166751 172104 179578 186446 189357 200788 216408 220584 234442 252476 269367 277368 279669 301182 307848 333502 351663 359156 372892 378714 401576 468884 500253 504952 538734 559338 602364 652561 667004 703326 718312 745784 757428 820547 910717 937768 1000506 1077468 1118676 1167257 1204728 1305122 1334008 1406652 1514856 1641094 1821434 1957683 2001012 2154936 2237352 2334514 2461641 2610244 2732151 2813304 3282188 3501771 3642868 3915366 4002024 4669028 4923282 5220488 5464302 6375019 6564376 7003542 7285736 7830732 9338056 9846564 10928604 11839321 12750038 14007084 15661464 19125057 19693128 21857208 23678642 25500076 28014168 35517963 38250114 47357284 51000152 71035926 76500228 82875247 94714568 142071852 153000456 165750494 248625741 284143704 331500988 497251482 663001976 994502964 1989005928
• Sum of all divisors σ(n): 6317015040
• Sum of proper divisors (its aliquot sum) s(n): 4328009112
• 1989005928 is an abundant number, because the sum of its proper divisors (4328009112) is greater than itself. Its abundance is 2339003184

Bases of 1989005928

• Binary: 1110110100011011101001001101000₂
• Hexadecimal: 0x768DD268
• Base-36: WW7ASO

Squares and roots of 1989005928

• 1989005928 squared (1989005928²) is 3956144581619141184
• 1989005928 cubed (1989005928³) is 7868795024865551653244938752
• The square root of 1989005928 is 44598.2727019779
• The cube root of 1989005928 is 1257.6081963011

Scales and comparisons

• 1,989,005,928 seconds is equal to 63 years, 12 weeks, 4 days, 21 hours, 38 minutes, 48 seconds.
• To count from 1 to 1,989,005,928 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 1989005928 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989005928

• 1989005928 backwards is 8295009891
• The number of decimal digits it has is: 10
• The sum of 1989005928's digits is 51
• More coming soon!