12745713015

Names of 12745713015

• Cardinal: 12745713015 can be written as Twelve billion, seven hundred forty-five million, seven hundred thirteen thousand and fifteen.

Scientific notation

• Scientific notation: 1.2745713015 × 10¹⁰

Factors of 12745713015

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1944

Divisors of 12745713015

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 61 63 105 127 135 183 189 305 315 381 427 549 635 889 915 945 1143 1281 1647 1741 1905 2135 2667 2745 3429 3843 4445 5223 5715 6405 7747 8001 8235 8705 11529 12187 13335 15669 17145 19215 23241 24003 26115 36561 38735 40005 47007 54229 57645 60935 69723 78345 106201 109683 116205 120015 162687 182805 209169 221107 235035 271145 318603 329049 348615 488061 531005 548415 663321 743407 813435 955809 1045845 1105535 1464183 1547749 1593015 1645245 1989963 2230221 2440305 2867427 3316605 3717035 4643247 4779045 5969889 6690663 7320915 7738745 9949815 11151105 13487527 13929741 14337135 20071989 23216235 29849445 33453315 40462581 41789223 67437635 69648705 94412689 100359945 121387743 202312905 208946115 283238067 364163229 472063445 606938715 849714201 1416190335 1820816145 2549142603 4248571005 12745713015
• Sum of all divisors σ(n): 26543063040
• Sum of proper divisors (its aliquot sum) s(n): 13797350025
• 12745713015 is an abundant number, because the sum of its proper divisors (13797350025) is greater than itself. Its abundance is 1051637010

Bases of 12745713015

• Binary: 1011110111101101000010010101110111₂
• Hexadecimal: 0x2F7B42577
• Base-36: 5USGV3R

Squares and roots of 12745713015

• 12745713015 squared (12745713015²) is 162453200260740390225
• 12745713015 cubed (12745713015³) is 2070581868891720185226961278375
• The square root of 12745713015 is 112896.9132217529
• The cube root of 12745713015 is 2335.9025021053

Scales and comparisons

• 12,745,713,015 seconds is equal to 405 years, 14 weeks, 1 day, 19 hours, 50 minutes, 15 seconds.
• To count from 1 to 12,745,713,015 would take you about eight hundred ten 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 12745713015 cubic inches would be around 194.7 feet tall.

Recreational maths with 12745713015

• 12745713015 backwards is 51031754721
• The number of decimal digits it has is: 11
• The sum of 12745713015's digits is 36
• More coming soon!