221367387969

Names of 221367387969

• Cardinal: 221367387969 can be written as Two hundred twenty-one billion, three hundred sixty-seven million, three hundred eighty-seven thousand, nine hundred sixty-nine.

Scientific notation

• Scientific notation: 2.21367387969 × 10¹¹

Factors of 221367387969

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24021

Divisors of 221367387969

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 51 63 91 117 119 153 169 189 221 273 289 351 357 459 507 663 819 867 1071 1183 1521 1547 1989 2023 2457 2601 2873 3213 3549 3757 4563 4641 5967 6069 7803 8619 10647 11271 13923 18207 20111 23981 25857 26299 31941 33813 41769 48841 54621 60333 71943 77571 78897 101439 146523 167867 180999 215829 236691 311753 341887 407677 439569 503601 542997 647487 710073 935259 1025661 1223031 1318707 1510803 2182271 2805777 2853739 3076983 3669093 4052789 4532409 5299801 6546813 6930509 8417331 8561217 9230949 11007279 12158367 15899403 19640439 20791527 25683651 28369523 36475101 37098607 47698209 48513563 58921317 62374581 68897413 77050953 85108569 90096617 109425303 111295821 143094627 145540689 187123743 206692239 255325707 270289851 333887463 436622067 482281891 620076717 630676319 765977121 810869553 1001662389 1171256021 1309866201 1446845673 1860230151 1892028957 2432608659 3513768063 4340537019 5676086871 8198792147 10541304189 13021611057 17028260613 24596376441 31623912567 73789129323 221367387969
• Sum of all divisors σ(n): 431146477440
• Sum of proper divisors (its aliquot sum) s(n): 209779089471
• 221367387969 is a deficient number, because the sum of its proper divisors (209779089471) is less than itself. Its deficiency is 11588298498

Bases of 221367387969

• Binary: 11001110001010100001100100011101000001₂
• Hexadecimal: 0x338A864741
• Base-36: 2TP0FDQ9

Squares and roots of 221367387969

• 221367387969 squared (221367387969²) is 49003520456217765944961
• 221367387969 cubed (221367387969³) is 10847781324678386072288617587574209
• The square root of 221367387969 is 470496.9585119547
• The cube root of 221367387969 is 6049.2919779691

Scales and comparisons

• 221,367,387,969 seconds is equal to 7,038 years, 41 weeks, 3 days, 13 hours, 6 minutes, 9 seconds.
• To count from 1 to 221,367,387,969 would take you about fourteen thousand and seventy-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 221367387969 cubic inches would be around 504.1 feet tall.

Recreational maths with 221367387969

• 221367387969 backwards is 969783763122
• 221367387969 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 221367387969's digits is 63
• More coming soon!