12729587832

Names of 12729587832

• Cardinal: 12729587832 can be written as Twelve billion, seven hundred twenty-nine million, five hundred eighty-seven thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 1.2729587832 × 10¹⁰

Factors of 12729587832

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 110628

Divisors of 12729587832

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 41 52 54 72 78 82 104 108 117 123 156 164 216 234 246 312 328 351 369 468 492 533 702 738 936 984 1066 1107 1404 1476 1599 2132 2214 2808 2952 3198 4264 4428 4797 6396 8856 9594 12792 14391 19188 28782 38376 57564 110569 115128 221138 331707 442276 663414 884552 995121 1326828 1437397 1990242 2653656 2874794 2985363 3980484 4312191 4533329 5749588 5970726 7960968 8624382 9066658 11499176 11941452 12936573 13599987 17248764 18133316 23882904 25873146 27199974 34497528 36266632 38809719 40799961 51746292 54399948 58933277 77619438 81599922 103492584 108799896 117866554 122399883 155238876 163199844 176799831 235733108 244799766 310477752 326399688 353599662 471466216 489599532 530399493 707199324 979199064 1060798986 1414398648 1591198479 2121597972 3182396958 4243195944 6364793916 12729587832
• Sum of all divisors σ(n): 39009096000
• Sum of proper divisors (its aliquot sum) s(n): 26279508168
• 12729587832 is an abundant number, because the sum of its proper divisors (26279508168) is greater than itself. Its abundance is 13549920336

Bases of 12729587832

• Binary: 1011110110101111100001100001111000₂
• Hexadecimal: 0x2F6BE1878
• Base-36: 5UIV8U0

Squares and roots of 12729587832

• 12729587832 squared (12729587832²) is 162042406372602460224
• 12729587832 cubed (12729587832³) is 2062733044428679535840694394368
• The square root of 12729587832 is 112825.4751020353
• The cube root of 12729587832 is 2334.9170007807

Scales and comparisons

• 12,729,587,832 seconds is equal to 404 years, 39 weeks, 4 days, 4 hours, 37 minutes, 12 seconds.
• To count from 1 to 12,729,587,832 would take you about eight hundred nine 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 12729587832 cubic inches would be around 194.6 feet tall.

Recreational maths with 12729587832

• 12729587832 backwards is 23878592721
• 12729587832 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12729587832's digits is 54
• More coming soon!