27956721429

Names of 27956721429

• Cardinal: 27956721429 can be written as Twenty-seven billion, nine hundred fifty-six million, seven hundred twenty-one thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 2.7956721429 × 10¹⁰

Factors of 27956721429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 199663

Divisors of 27956721429

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 57 63 81 91 117 133 171 189 247 273 351 399 513 567 741 819 1053 1197 1539 1729 2223 2457 3591 5187 6669 7371 10773 15561 20007 46683 140049 199621 598863 1397347 1796589 2595073 3792799 4192041 5389767 7785219 11378397 12576123 16169301 18165511 23355657 26549593 34135191 37728369 49306387 54496533 70066971 79648779 102405573 113185107 147919161 163489599 210200913 238946337 307216719 345144709 443757483 490468797 716839011 1035434127 1331272449 1471406391 2150517033 3106302381 3993817347 9318907143 27956721429
• Sum of all divisors σ(n): 54105546880
• Sum of proper divisors (its aliquot sum) s(n): 26148825451
• 27956721429 is a deficient number, because the sum of its proper divisors (26148825451) is less than itself. Its deficiency is 1807895978

Bases of 27956721429

• Binary: 11010000010010110011011011100010101₂
• Hexadecimal: 0x68259B715
• Base-36: CUCPKB9

Squares and roots of 27956721429

• 27956721429 squared (27956721429²) is 781578273058707802041
• 27956721429 cubed (27956721429³) is 21850366054861189784369114636589
• The square root of 27956721429 is 167202.6358314963
• The cube root of 27956721429 is 3035.0236504519

Scales and comparisons

• 27,956,721,429 seconds is equal to 888 years, 48 weeks, 5 days, 3 hours, 57 minutes, 9 seconds.
• To count from 1 to 27,956,721,429 would take you about one thousand, seven hundred 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 27956721429 cubic inches would be around 252.9 feet tall.

Recreational maths with 27956721429

• 27956721429 backwards is 92412765972
• The number of decimal digits it has is: 11
• The sum of 27956721429's digits is 54
• More coming soon!