3275129728

Names of 3275129728

• Cardinal: 3275129728 can be written as Three billion, two hundred seventy-five million, one hundred twenty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.275129728 × 10⁹

Factors of 3275129728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 412

Divisors of 3275129728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 97 103 104 128 194 197 206 208 388 394 412 416 776 788 824 832 1261 1339 1552 1576 1648 1664 2522 2561 2678 3104 3152 3296 5044 5122 5356 6208 6304 6592 9991 10088 10244 10712 12416 12608 13184 19109 19982 20176 20291 20488 21424 25216 38218 39964 40352 40582 40976 42848 76436 79928 80704 81164 81952 85696 129883 152872 159856 161408 162328 163904 171392 248417 259766 263783 305744 319712 324656 327808 496834 519532 527566 611488 639424 649312 993668 1039064 1055132 1222976 1278848 1298624 1968227 1987336 2078128 2110264 2445952 2597248 3936454 3974672 4156256 4220528 7872908 7949344 8312512 8441056 15745816 15898688 16625024 16882112 25586951 31491632 31797376 33764224 51173902 62983264 102347804 125966528 204695608 251933056 409391216 818782432 1637564864 3275129728
• Sum of all divisors σ(n): 7204317120
• Sum of proper divisors (its aliquot sum) s(n): 3929187392
• 3275129728 is an abundant number, because the sum of its proper divisors (3929187392) is greater than itself. Its abundance is 654057664

Bases of 3275129728

• Binary: 11000011001101101000001110000000₂
• Hexadecimal: 0xC3368380
• Base-36: 1I5XE9S

Squares and roots of 3275129728

• 3275129728 squared (3275129728²) is 10726474735229353984
• 3275129728 cubed (3275129728³) is 35130596281990586131233636352
• The square root of 3275129728 is 57228.7491388725
• The cube root of 3275129728 is 1485.0560168117

Scales and comparisons

• 3,275,129,728 seconds is equal to 104 years, 7 weeks, 1 day, 14 hours, 15 minutes, 28 seconds.
• To count from 1 to 3,275,129,728 would take you about two hundred eight 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 3275129728 cubic inches would be around 123.8 feet tall.

Recreational maths with 3275129728

• 3275129728 backwards is 8279215723
• The number of decimal digits it has is: 10
• The sum of 3275129728's digits is 46
• More coming soon!