19989435456

Names of 19989435456

• Cardinal: 19989435456 can be written as Nineteen billion, nine hundred eighty-nine million, four hundred thirty-five thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.9989435456 × 10¹⁰

Factors of 19989435456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 185

Divisors of 19989435456

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 43 48 64 72 86 96 129 137 144 172 192 258 274 288 344 387 411 516 548 576 688 774 822 1032 1096 1233 1376 1548 1644 1849 2064 2192 2466 2752 3096 3288 3698 4128 4384 4932 5547 5891 6192 6576 7396 8256 8768 9864 11094 11782 12384 13152 14792 16641 17673 18769 19728 22188 23564 24768 26304 29584 33282 35346 37538 39456 44376 47128 53019 56307 59168 66564 70692 75076 78912 88752 94256 106038 112614 118336 133128 141384 150152 168921 177504 188512 212076 225228 253313 266256 282768 300304 337842 355008 377024 424152 450456 506626 532512 565536 600608 675684 759939 807067 848304 900912 1013252 1065024 1131072 1201216 1351368 1519878 1614134 1696608 1801824 2026504 2279817 2421201 2702736 3039756 3228268 3393216 3603648 4053008 4559634 4842402 5405472 6079512 6456536 7263603 8106016 9119268 9684804 10810944 12159024 12913072 14527206 16212032 18238536 19369608 24318048 25826144 29054412 34703881 36477072 38739216 48636096 51652288 58108824 69407762 72954144 77478432 104111643 116217648 138815524 145908288 154956864 208223286 232435296 277631048 312334929 416446572 464870592 555262096 624669858 832893144 1110524192 1249339716 1665786288 2221048384 2498679432 3331572576 4997358864 6663145152 9994717728 19989435456
• Sum of all divisors σ(n): 59090860101
• Sum of proper divisors (its aliquot sum) s(n): 39101424645
• 19989435456 is an abundant number, because the sum of its proper divisors (39101424645) is greater than itself. Its abundance is 19111989189

Bases of 19989435456

• Binary: 10010100111011101101001010001000000₂
• Hexadecimal: 0x4A7769440
• Base-36: 96L6Z40

Squares and roots of 19989435456

• 19989435456 squared (19989435456²) is 399577529849589927936
• 19989435456 cubed (19989435456³) is 7987329242596291252544363298816
• 19989435456 is a perfect square number. Its square root is 141384
• The cube root of 19989435456 is 2713.9395893437

Scales and comparisons

• 19,989,435,456 seconds is equal to 635 years, 31 weeks, 2 days, 4 hours, 57 minutes, 36 seconds.
• To count from 1 to 19,989,435,456 would take you about one thousand, two hundred seventy-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 19989435456 cubic inches would be around 226.2 feet tall.

Recreational maths with 19989435456

• 19989435456 backwards is 65453498991
• The number of decimal digits it has is: 11
• The sum of 19989435456's digits is 63
• More coming soon!