1989333878240691

Names of 1989333878240691

• Cardinal: 1989333878240691 can be written as One quadrillion, nine hundred eighty-nine trillion, three hundred thirty-three billion, eight hundred seventy-eight million, two hundred forty thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 1.989333878240691 × 10¹⁵

Factors of 1989333878240691

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16988

Divisors of 1989333878240691

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 27 43 61 129 183 387 549 1117 1161 1647 1801 2623 3351 5403 7869 10053 13963 16209 23607 30159 41889 48031 48627 68137 70821 77443 109861 125667 144093 204411 232329 329583 377001 432279 600409 613233 696987 851743 988749 1296837 1801227 1839699 2011717 2090961 2555229 2929891 2966247 4724023 5403681 6035151 7665687 8789673 14172069 15596671 16211043 18105453 22997061 25147363 26369019 36624949 42516207 46790013 54316359 75442089 79107057 86503831 109874847 122714737 127548621 140370039 226326267 259511493 329624541 368144211 421110117 670656853 678978801 778534479 951396931 988873623 1081336609 1104432633 1533989143 2011970559 2335603437 2854190793 3244009827 3313297899 4601967429 5276733691 6035911677 8562572379 9732029481 13805902287 15830201073 18107735031 25687717137 28089604471 29196088443 40910068033 41417706861 47490603219 65961533149 84268813413 122730204099 142471809657 197884599447 252806440239 368190612297 593653798341 758419320717 1104571836891 1207852992253 1713465872731 1780961395023 3623558976759 5140397618193 10870676930277 15421192854579 32612030790831 46263578563737 73679032527433 221037097582299 663111292746897 1989333878240691
• Sum of all divisors σ(n): 3069804989588480
• Sum of proper divisors (its aliquot sum) s(n): 1080471111347789
• 1989333878240691 is a deficient number, because the sum of its proper divisors (1080471111347789) is less than itself. Its deficiency is 908862766892902

Bases of 1989333878240691

• Binary: 111000100010100100111100011001001101111010110110011₂
• Hexadecimal: 0x71149E326F5B3
• Base-36: JL5RD80XIR

Squares and roots of 1989333878240691

• 1989333878240691 squared (1989333878240691²) is 3957449279116148404917328157481
• 1989333878240691 cubed (1989333878240691³) is 7872687922364954343217447568648229072870259371
• The square root of 1989333878240691 is 44601949.2650342693
• The cube root of 1989333878240691 is 125767.7311269383

Scales and comparisons

• 1,989,333,878,240,691 seconds is equal to 63,254,663 years, 47 weeks, 3 days, 19 hours, 44 minutes, 51 seconds.
• To count from 1 to 1,989,333,878,240,691 would take you about one hundred eighty-nine million, seven hundred sixty-three thousand, nine hundred ninety-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 1989333878240691 cubic inches would be around 10480.6 feet tall.

Recreational maths with 1989333878240691

• 1989333878240691 backwards is 1960428783339891
• The number of decimal digits it has is: 16
• The sum of 1989333878240691's digits is 81
• More coming soon!