121201517997

Names of 121201517997

• Cardinal: 121201517997 can be written as One hundred twenty-one billion, two hundred one million, five hundred seventeen thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.21201517997 × 10¹¹

Factors of 121201517997

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6427

Divisors of 121201517997

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 19 21 27 31 57 63 81 93 133 171 189 217 243 279 361 399 513 567 589 651 837 1083 1197 1539 1701 1767 1953 2511 2527 3249 3591 4123 4617 5301 5859 6367 7533 7581 9747 10773 11191 12369 15903 17577 19101 22743 29241 32319 33573 37107 44569 47709 52731 57303 68229 78337 87723 100719 111321 120973 133707 143127 171909 197377 204687 235011 302157 333963 362919 401121 515727 592131 614061 705033 846811 906471 1001889 1088757 1203363 1381639 1547181 1776393 2115099 2298487 2540433 2719413 3266271 3610089 3750163 4144917 5329179 6345297 6895461 7621299 9798813 10830267 11250489 12434751 15987537 16089409 19035891 20686383 22863897 26251141 29396439 33751467 37304253 47962611 48268227 62059149 68591691 71253097 78753423 101254401 111912759 144804681 186177447 205775073 213759291 236260269 303763203 335738277 434414043 498771679 558532341 641277873 708780807 911289609 1303242129 1496315037 1923833619 2126342421 3909726387 4488945111 5771500857 6379027263 13466835333 17314502571 40400505999 121201517997
• Sum of all divisors σ(n): 226083766272
• Sum of proper divisors (its aliquot sum) s(n): 104882248275
• 121201517997 is a deficient number, because the sum of its proper divisors (104882248275) is less than itself. Its deficiency is 16319269722

Bases of 121201517997

• Binary: 1110000111000001011000110010110101101₂
• Hexadecimal: 0x1C382C65AD
• Base-36: 1JOG95T9

Squares and roots of 121201517997

• 121201517997 squared (121201517997²) is 14689807964777114892009
• 121201517997 cubed (121201517997³) is 1780427024415407432677565524985973
• The square root of 121201517997 is 348140.0838699847
• The cube root of 121201517997 is 4948.8317209835

Scales and comparisons

• 121,201,517,997 seconds is equal to 3,853 years, 43 weeks, 2 days, 8 hours, 19 minutes, 57 seconds.
• To count from 1 to 121,201,517,997 would take you about seven thousand, seven hundred seven 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 121201517997 cubic inches would be around 412.4 feet tall.

Recreational maths with 121201517997

• 121201517997 backwards is 799715102121
• The number of decimal digits it has is: 12
• The sum of 121201517997's digits is 45
• More coming soon!