19808421216

Names of 19808421216

• Cardinal: 19808421216 can be written as Nineteen billion, eight hundred eight million, four hundred twenty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.9808421216 × 10¹⁰

Factors of 19808421216

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1073

Divisors of 19808421216

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 97 102 136 157 194 204 272 291 314 388 408 471 544 582 628 776 797 816 942 1164 1256 1552 1594 1632 1649 1884 2328 2391 2512 2669 3104 3188 3298 3768 4656 4782 4947 5024 5338 6376 6596 7536 8007 9312 9564 9894 10676 12752 13192 13549 15072 15229 16014 19128 19788 21352 25504 26384 27098 30458 32028 38256 39576 40647 42704 45687 52768 54196 60916 64056 76512 77309 79152 81294 85408 91374 108392 121832 125129 128112 154618 158304 162588 182748 216784 231927 243664 250258 256224 258893 309236 325176 365496 375387 433568 463854 487328 500516 517786 618472 650352 730992 750774 776679 927708 1001032 1035572 1236944 1300704 1314253 1461984 1501548 1553358 1855416 2002064 2071144 2127193 2473888 2628506 3003096 3106716 3710832 3942759 4004128 4142288 4254386 5257012 6006192 6213432 6381579 7421664 7885518 8284576 8508772 10514024 12012384 12137513 12426864 12763158 15771036 17017544 21028048 24275026 24853728 25526316 31542072 34035088 36412539 42056096 48550052 51052632 63084144 68070176 72825078 97100104 102105264 126168288 145650156 194200208 204210528 206337721 291300312 388400416 412675442 582600624 619013163 825350884 1165201248 1238026326 1650701768 2476052652 3301403536 4952105304 6602807072 9904210608 19808421216
• Sum of all divisors σ(n): 56047868352
• Sum of proper divisors (its aliquot sum) s(n): 36239447136
• 19808421216 is an abundant number, because the sum of its proper divisors (36239447136) is greater than itself. Its abundance is 16431025920

Bases of 19808421216

• Binary: 10010011100101011001000010101100000₂
• Hexadecimal: 0x49CAC8560
• Base-36: 93LF7MO

Squares and roots of 19808421216

• 19808421216 squared (19808421216²) is 392373551070478918656
• 19808421216 cubed (19808421216³) is 7772300573621734123586248605696
• The square root of 19808421216 is 140742.3931017233
• The cube root of 19808421216 is 2705.7227141283

Scales and comparisons

• 19,808,421,216 seconds is equal to 629 years, 44 weeks, 3 hours, 13 minutes, 36 seconds.
• To count from 1 to 19,808,421,216 would take you about one thousand, two hundred fifty-nine 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 19808421216 cubic inches would be around 225.5 feet tall.

Recreational maths with 19808421216

• 19808421216 backwards is 61212480891
• The number of decimal digits it has is: 11
• The sum of 19808421216's digits is 42
• More coming soon!