1491406980

Names of 1491406980

• Cardinal: 1491406980 can be written as One billion, four hundred ninety-one million, four hundred six thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.49140698 × 10⁹

Factors of 1491406980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 652

Divisors of 1491406980

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 41 42 60 70 82 84 105 123 140 164 205 210 246 257 287 337 410 420 492 514 574 615 674 771 820 861 1011 1028 1148 1230 1285 1348 1435 1542 1685 1722 1799 2022 2359 2460 2570 2870 3084 3370 3444 3598 3855 4044 4305 4718 5055 5140 5397 5740 6740 7077 7196 7710 8610 8995 9436 10110 10537 10794 11795 13817 14154 15420 17220 17990 20220 21074 21588 23590 26985 27634 28308 31611 35385 35980 41451 42148 47180 52685 53970 55268 63222 69085 70770 73759 82902 86609 96719 105370 107940 126444 138170 141540 147518 158055 165804 173218 193438 207255 210740 221277 259827 276340 290157 295036 316110 346436 368795 386876 414510 433045 442554 483595 519654 580314 606263 632220 737590 829020 866090 885108 967190 1039308 1106385 1160628 1212526 1299135 1450785 1475180 1732180 1818789 1934380 2212770 2425052 2598270 2901570 3031315 3550969 3637578 4425540 5196540 5803140 6062630 7101938 7275156 9093945 10652907 12125260 14203876 17754845 18187890 21305814 24856783 35509690 36375780 42611628 49713566 53264535 71019380 74570349 99427132 106529070 124283915 149140698 213058140 248567830 298281396 372851745 497135660 745703490 1491406980
• Sum of all divisors σ(n): 4922491392
• Sum of proper divisors (its aliquot sum) s(n): 3431084412
• 1491406980 is an abundant number, because the sum of its proper divisors (3431084412) is greater than itself. Its abundance is 1939677432

Bases of 1491406980

• Binary: 1011000111001010001000010000100₂
• Hexadecimal: 0x58E51084
• Base-36: ONY0ZO

Squares and roots of 1491406980

• 1491406980 squared (1491406980²) is 2224294779992720400
• 1491406980 cubed (1491406980³) is 3317328760458707553748392000
• The square root of 1491406980 is 38618.7387158099
• The cube root of 1491406980 is 1142.5241545805

Scales and comparisons

• 1,491,406,980 seconds is equal to 47 years, 21 weeks, 6 days, 15 hours, 43 minutes.
• To count from 1 to 1,491,406,980 would take you about ninety-four 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 1491406980 cubic inches would be around 95.2 feet tall.

Recreational maths with 1491406980

• 1491406980 backwards is 0896041941
• 1491406980 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1491406980's digits is 42
• More coming soon!