2091490128

Names of 2091490128

• Cardinal: 2091490128 can be written as Two billion, ninety-one million, four hundred ninety thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.091490128 × 10⁹

Factors of 2091490128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 176

Divisors of 2091490128

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 49 52 56 63 72 78 84 91 98 104 112 117 126 144 147 151 156 168 182 196 208 234 252 273 294 302 312 336 364 392 441 453 468 504 546 588 604 624 637 728 784 819 882 906 936 1008 1057 1092 1176 1208 1274 1359 1456 1638 1764 1812 1872 1911 1963 2114 2184 2352 2416 2548 2718 3171 3276 3528 3624 3822 3926 4228 4368 5096 5436 5733 5889 6342 6552 7056 7248 7399 7644 7852 8456 9513 10192 10872 11466 11778 12684 13104 13741 14798 15288 15704 16912 17667 19026 21744 22197 22801 22932 23556 25368 27482 29596 30576 31408 35334 38052 41223 44394 45602 45864 47112 50736 54964 59192 66591 68403 70668 76104 82446 88788 91204 91728 94224 96187 109928 118384 123669 133182 136806 141336 152208 159607 164892 177576 182408 192374 205209 219856 247338 266364 273612 282672 288561 296413 319214 329784 355152 364816 384748 410418 478821 494676 532728 547224 577122 592826 638428 659568 769496 820836 865683 889239 957642 989352 1065456 1094448 1117249 1154244 1185652 1276856 1436463 1538992 1641672 1731366 1778478 1915284 1978704 2074891 2234498 2308488 2371304 2553712 2667717 2872926 3283344 3351747 3462732 3556956 3830568 4149782 4468996 4616976 4742608 5335434 5745852 6224673 6703494 6925464 7113912 7661136 8299564 8937992 10055241 10670868 11491704 12449346 13406988 13850928 14227824 14524237 16599128 17875984 18674019 20110482 21341736 22983408 24898692 26813976 29048474 33198256 37348038 40220964 42683472 43572711 49797384 53627952 58096948 74696076 80441928 87145422 99594768 116193896 130718133 149392152 160883856 174290844 232387792 261436266 298784304 348581688 522872532 697163376 1045745064 2091490128
• Sum of all divisors σ(n): 7381547082
• Sum of proper divisors (its aliquot sum) s(n): 5290056954
• 2091490128 is an abundant number, because the sum of its proper divisors (5290056954) is greater than itself. Its abundance is 3198566826

Bases of 2091490128

• Binary: 1111100101010011001101101010000₂
• Hexadecimal: 0x7CA99B50
• Base-36: YL7W40

Squares and roots of 2091490128

• 2091490128 squared (2091490128²) is 4374330955521456384
• 2091490128 cubed (2091490128³) is 9148870010077933119318577152
• The square root of 2091490128 is 45732.8123779853
• The cube root of 2091490128 is 1278.8470509957

Scales and comparisons

• 2,091,490,128 seconds is equal to 66 years, 26 weeks, 1 day, 1 hour, 28 minutes, 48 seconds.
• To count from 1 to 2,091,490,128 would take you about one hundred thirty-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 2091490128 cubic inches would be around 106.6 feet tall.

Recreational maths with 2091490128

• 2091490128 backwards is 8210941902
• 2091490128 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2091490128's digits is 36
• More coming soon!