1997989825440

Names of 1997989825440

• Cardinal: 1997989825440 can be written as One trillion, nine hundred ninety-seven billion, nine hundred eighty-nine million, eight hundred twenty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.99798982544 × 10¹²

Factors of 1997989825440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 84948564

Divisors of 1997989825440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 70 80 84 96 98 105 112 120 140 147 160 168 196 210 224 240 245 280 294 336 392 420 480 490 560 588 672 735 784 840 980 1120 1176 1470 1568 1680 1960 2352 2940 3360 3920 4704 5880 7840 11760 23520 84948547 169897094 254845641 339794188 424742735 509691282 594639829 679588376 849485470 1019382564 1189279658 1274228205 1359176752 1698970940 1783919487 2038765128 2378559316 2548456410 2718353504 2973199145 3397941880 3567838974 4077530256 4162478803 4757118632 5096912820 5946398290 6795883760 7135677948 8155060512 8324957606 8919597435 9514237264 10193825640 11892796580 12487436409 13591767520 14271355896 16649915212 17839194870 19028474528 20387651280 20812394015 23785593160 24974872818 28542711792 33299830424 35678389740 40775302560 41624788030 47571186320 49949745636 57085423584 62437182045 66599660848 71356779480 83249576060 95142372640 99899491272 124874364090 133199321696 142713558960 166499152120 199798982544 249748728180 285427117920 332998304240 399597965088 499497456360 665996608480 998994912720 1997989825440
• Sum of all divisors σ(n): 7321205660832
• Sum of proper divisors (its aliquot sum) s(n): 5323215835392
• 1997989825440 is an abundant number, because the sum of its proper divisors (5323215835392) is greater than itself. Its abundance is 3325226009952

Bases of 1997989825440

• Binary: 11101000100110001011110010100101110100000₂
• Hexadecimal: 0x1D131794BA0
• Base-36: PHV3JZXC

Squares and roots of 1997989825440

• 1997989825440 squared (1997989825440²) is 3991963342561761671193600
• 1997989825440 cubed (1997989825440³) is 7975902141967853123846983540445184000
• The square root of 1997989825440 is 1413502.6796720267
• The cube root of 1997989825440 is 12594.9879818963

Scales and comparisons

• 1,997,989,825,440 seconds is equal to 63,529 years, 46 weeks, 4 days, 5 hours, 44 minutes.
• To count from 1 to 1,997,989,825,440 would take you about one hundred fifty-eight thousand, eight hundred twenty-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 1997989825440 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1997989825440

• 1997989825440 backwards is 0445289897991
• The number of decimal digits it has is: 13
• The sum of 1997989825440's digits is 75
• More coming soon!