1998321861984

Names of 1998321861984

• Cardinal: 1998321861984 can be written as One trillion, nine hundred ninety-eight billion, three hundred twenty-one million, eight hundred sixty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.998321861984 × 10¹²

Factors of 1998321861984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 20623

Divisors of 1998321861984

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 4704 20611 41222 61833 82444 123666 144277 164888 247332 288554 329776 432831 494664 577108 659552 865662 989328 1009939 1154216 1731324 1978656 2019878 2308432 3029817 3462648 4039756 4616864 6059634 6925296 8079512 12119268 13850592 16159024 24238536 32318048 48477072 96954144 424813321 849626642 1274439963 1699253284 2548879926 2973693247 3398506568 5097759852 5947386494 6797013136 8921079741 10195519704 11894772988 13594026272 17842159482 20391039408 20815852729 23789545976 35684318964 40782078816 41631705458 47579091952 62447558187 71368637928 83263410916 95158183904 124895116374 142737275856 166526821832 249790232748 285474551712 333053643664 499580465496 666107287328 999160930992 1998321861984
• Sum of all divisors σ(n): 6102314613612
• Sum of proper divisors (its aliquot sum) s(n): 4103992751628
• 1998321861984 is an abundant number, because the sum of its proper divisors (4103992751628) is greater than itself. Its abundance is 2105670889644

Bases of 1998321861984

• Binary: 11101000101000101010000111100010101100000₂
• Hexadecimal: 0x1D14543C560
• Base-36: PI0L8OYO

Squares and roots of 1998321861984

• 1998321861984 squared (1998321861984²) is 3993290264083200744416256
• 1998321861984 cubed (1998321861984³) is 7979879235965320790276347581078011904
• The square root of 1998321861984 is 1413620.1264781143
• The cube root of 1998321861984 is 12595.6856438809

Scales and comparisons

• 1,998,321,861,984 seconds is equal to 63,540 years, 23 weeks, 4 days, 6 hours, 6 minutes, 24 seconds.
• To count from 1 to 1,998,321,861,984 would take you about one hundred fifty-eight thousand, eight hundred fifty-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 1998321861984 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1998321861984

• 1998321861984 backwards is 4891681238991
• The number of decimal digits it has is: 13
• The sum of 1998321861984's digits is 69
• More coming soon!