1442661990

Names of 1442661990

• Cardinal: 1442661990 can be written as One billion, four hundred forty-two million, six hundred sixty-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.44266199 × 10⁹

Factors of 1442661990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2206

Divisors of 1442661990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 17 21 22 30 33 34 35 42 51 55 66 70 77 85 102 105 110 119 154 165 170 187 210 231 238 255 289 330 357 374 385 462 510 561 578 595 714 770 867 935 1122 1155 1190 1309 1445 1734 1785 1870 2023 2161 2310 2618 2805 2890 3179 3570 3927 4046 4322 4335 5610 6069 6358 6483 6545 7854 8670 9537 10115 10805 12138 12966 13090 15127 15895 19074 19635 20230 21610 22253 23771 30254 30345 31790 32415 36737 39270 44506 45381 47542 47685 60690 64830 66759 71313 73474 75635 90762 95370 110211 111265 118855 133518 142626 151270 166397 183685 220422 222530 226905 237710 257159 332794 333795 356565 367370 404107 453810 499191 514318 551055 624529 667590 713130 771477 808214 831985 998382 1102110 1212321 1249058 1285795 1542954 1663970 1873587 2020535 2424642 2495955 2571590 2828749 3122645 3747174 3857385 4041070 4371703 4991910 5657498 6061605 6245290 6869819 7714770 8486247 8743406 9367935 12123210 13115109 13739638 14143745 16972494 18735870 20609457 21858515 26230218 28287490 34349095 41218914 42431235 43717030 48088733 65575545 68698190 84862470 96177466 103047285 131151090 144266199 206094570 240443665 288532398 480887330 721330995 1442661990
• Sum of all divisors σ(n): 4587729408
• Sum of proper divisors (its aliquot sum) s(n): 3145067418
• 1442661990 is an abundant number, because the sum of its proper divisors (3145067418) is greater than itself. Its abundance is 1702405428

Bases of 1442661990

• Binary: 1010101111111010100011001100110₂
• Hexadecimal: 0x55FD4666
• Base-36: NUX946

Squares and roots of 1442661990

• 1442661990 squared (1442661990²) is 2081273617390760100
• 1442661990 cubed (1442661990³) is 3002574338599452573478599000
• The square root of 1442661990 is 37982.3905250841
• The cube root of 1442661990 is 1129.9386475685

Scales and comparisons

• 1,442,661,990 seconds is equal to 45 years, 45 weeks, 2 days, 11 hours, 26 minutes, 30 seconds.
• To count from 1 to 1,442,661,990 would take you about ninety-one 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 1442661990 cubic inches would be around 94.2 feet tall.

Recreational maths with 1442661990

• 1442661990 backwards is 0991662441
• 1442661990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1442661990's digits is 42
• More coming soon!