121384190728928

Names of 121384190728928

• Cardinal: 121384190728928 can be written as One hundred twenty-one trillion, three hundred eighty-four billion, one hundred ninety million, seven hundred twenty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21384190728928 × 10¹⁴

Factors of 121384190728928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3093

Divisors of 121384190728928

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 19 32 38 61 76 122 152 244 304 361 488 608 722 976 1159 1444 1952 2318 2888 3011 4636 5776 6022 6859 9272 11552 12044 13718 18544 22021 24088 27436 37088 44042 48176 54872 57209 88084 96352 109744 114418 176168 183671 219488 228836 352336 367342 418399 457672 704672 734684 836798 915344 1086971 1469368 1673596 1830688 2173942 2938736 3347192 3489749 4347884 5877472 6694384 6979498 8695768 9066121 13388768 13958996 17391536 18132242 20652449 27917992 34783072 36264484 41304898 55835984 66305231 72528968 82609796 111671968 132610462 145057936 165219592 172256299 265220924 290115872 330439184 344512598 530441848 553033381 660878368 689025196 1060883696 1106066762 1259799389 1378050392 2121767392 2212133524 2519598778 2756100784 3272869681 4424267048 5039197556 5512201568 6545739362 8848534096 10078395112 10507634239 13091478724 17697068192 20156790224 21015268478 26182957448 40313580448 42030536956 52365914896 62184523939 84061073912 104731829792 124369047878 168122147824 199645050541 248738095756 336244295648 399290101082 497476191512 798580202164 994952383024 1597160404328 1989904766048 3194320808656 3793255960279 6388641617312 7586511920558 15173023841116 30346047682232 60692095364464 121384190728928
• Sum of all divisors σ(n): 256470002525520
• Sum of proper divisors (its aliquot sum) s(n): 135085811796592
• 121384190728928 is an abundant number, because the sum of its proper divisors (135085811796592) is greater than itself. Its abundance is 13701621067664

Bases of 121384190728928

• Binary: 11011100110010111110101100100011101101011100000₂
• Hexadecimal: 0x6E65F591DAE0
• Base-36: 170Z4L42JK

Squares and roots of 121384190728928

• 121384190728928 squared (121384190728928²) is 14734121758916770227976029184
• 121384190728928 cubed (121384190728928³) is 1788489445807601337022669130654311961034752
• The square root of 121384190728928 is 11017449.3749201315
• The cube root of 121384190728928 is 49513.1673611269

Scales and comparisons

• 121,384,190,728,928 seconds is equal to 3,859,641 years, 41 weeks, 3 days, 22 hours, 2 minutes, 8 seconds.
• To count from 1 to 121,384,190,728,928 would take you about nine million, six hundred forty-nine thousand, one hundred 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 121384190728928 cubic inches would be around 4126.1 feet tall.

Recreational maths with 121384190728928

• 121384190728928 backwards is 829827091483121
• The number of decimal digits it has is: 15
• The sum of 121384190728928's digits is 65
• More coming soon!