28121632704

Names of 28121632704

• Cardinal: 28121632704 can be written as Twenty-eight billion, one hundred twenty-one million, six hundred thirty-two thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.8121632704 × 10¹⁰

Factors of 28121632704

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10952

Divisors of 28121632704

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 132 137 144 176 192 198 216 264 274 288 297 352 396 411 432 528 548 576 594 704 792 822 864 1056 1096 1188 1233 1507 1584 1644 1728 2112 2192 2376 2466 3014 3168 3288 3699 4384 4521 4752 4932 6028 6336 6576 7398 8768 9042 9504 9864 10799 12056 13152 13563 14796 18084 19008 19728 21598 24112 26304 27126 29592 32397 36168 39456 40689 43196 48224 54252 59184 64794 72336 78912 81378 86392 96448 97191 108504 118368 118789 129588 144672 162756 172784 194382 217008 236736 237578 259176 289344 291573 325512 345568 356367 388764 434016 475156 518352 583146 651024 691136 712734 777528 868032 950312 1036704 1069101 1166292 1302048 1425468 1479463 1555056 1900624 2073408 2138202 2332584 2604096 2850936 2958926 3110112 3207303 3801248 4276404 4438389 4665168 5701872 5917852 6220224 6414606 7602496 8552808 8876778 9330336 11403744 11835704 12829212 13315167 16274093 17105616 17753556 18660672 22807488 23671408 25658424 26630334 32548186 34211232 35507112 39945501 47342816 48822279 51316848 53260668 65096372 68422464 71014224 79891002 94685632 97644558 102633696 106521336 130192744 142028448 146466837 159782004 195289116 205267392 213042672 260385488 284056896 292933674 319564008 390578232 426085344 439400511 520770976 585867348 639128016 781156464 852170688 878801022 1041541952 1171734696 1278256032 1562312928 1757602044 2343469392 2556512064 3124625856 3515204088 4686938784 7030408176 9373877568 14060816352 28121632704
• Sum of all divisors σ(n): 90854784000
• Sum of proper divisors (its aliquot sum) s(n): 62733151296
• 28121632704 is an abundant number, because the sum of its proper divisors (62733151296) is greater than itself. Its abundance is 34611518592

Bases of 28121632704

• Binary: 11010001100001011100000111111000000₂
• Hexadecimal: 0x68C2E0FC0
• Base-36: CX2W6O0

Squares and roots of 28121632704

• 28121632704 squared (28121632704²) is 790826225938682351616
• 28121632704 cubed (28121632704³) is 22239324658538142717872132849664
• The square root of 28121632704 is 167695.0586749651
• The cube root of 28121632704 is 3040.9796265755

Scales and comparisons

• 28,121,632,704 seconds is equal to 894 years, 9 weeks, 2 days, 20 hours, 38 minutes, 24 seconds.
• To count from 1 to 28,121,632,704 would take you about one thousand, seven hundred eighty-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 28121632704 cubic inches would be around 253.4 feet tall.

Recreational maths with 28121632704

• 28121632704 backwards is 40723612182
• 28121632704 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28121632704's digits is 36
• More coming soon!