28309978688000

Names of 28309978688000

• Cardinal: 28309978688000 can be written as Twenty-eight trillion, three hundred nine billion, nine hundred seventy-eight million, six hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 2.8309978688 × 10¹³

Factors of 28309978688000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 5125

Divisors of 28309978688000

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 128 136 160 170 200 250 256 272 320 340 400 425 500 512 544 640 680 800 850 1000 1088 1280 1360 1600 1700 2000 2125 2176 2560 2720 3200 3400 4000 4250 4352 5101 5440 6400 6800 8000 8500 8704 10202 10880 12800 13600 16000 17000 20404 21760 25505 27200 32000 34000 40808 43520 51010 54400 64000 68000 81616 86717 102020 108800 127525 136000 163232 173434 204040 217600 255050 272000 326464 346868 408080 433585 510100 544000 637625 652928 693736 816160 867170 1020200 1088000 1275250 1305856 1387472 1632320 1734340 2040400 2167925 2550500 2611712 2774944 3264640 3468680 4080800 4335850 5101000 5549888 6529280 6937360 8161600 8671700 10202000 10839625 11099776 13058560 13874720 16323200 17343400 20404000 21679250 22199552 26020201 27749440 32646400 34686800 40808000 43358500 44399104 52040402 55498880 65292800 69373600 81616000 86717000 104080804 110997760 130101005 138747200 163232000 173434000 208161608 221995520 260202010 277494400 326464000 346868000 416323216 442343417 520404020 554988800 650505025 693736000 832646432 884686834 1040808040 1109977600 1301010050 1387472000 1665292864 1769373668 2081616080 2211717085 2602020100 2774944000 3252525125 3330585728 3538747336 4163232160 4423434170 5204040200 5549888000 6505050250 6661171456 7077494672 8326464320 8846868340 10408080400 11058585425 13010100500 13322342912 14154989344 16652928640 17693736680 20816160800 22117170850 26020201000 28309978688 33305857280 35387473360 41632321600 44234341700 52040402000 55292927125 56619957376 66611714560 70774946720 83264643200 88468683400 104080804000 110585854250 113239914752 141549893440 166529286400 176937366800 208161608000 221171708500 226479829504 283099786880 333058572800 353874733600 416323216000 442343417000 566199573760 707749467200 832646432000 884686834000 1132399147520 1415498934400 1665292864000 1769373668000 2830997868800 3538747336000 5661995737600 7077494672000 14154989344000 28309978688000
• Sum of all divisors σ(n): 74759868992952
• Sum of proper divisors (its aliquot sum) s(n): 46449890304952
• 28309978688000 is an abundant number, because the sum of its proper divisors (46449890304952) is greater than itself. Its abundance is 18139911616952

Bases of 28309978688000

• Binary: 110011011111101101110001110010010101000000000₂
• Hexadecimal: 0x19BF6E392A00
• Base-36: A19FADA0W

Squares and roots of 28309978688000

• 28309978688000 squared (28309978688000²) is 801454893315014201344000000
• 28309978688000 cubed (28309978688000³) is 22689170949141365710465980956672000000000
• The square root of 28309978688000 is 5320712.2350301937
• The cube root of 28309978688000 is 30477.5356173071

Scales and comparisons

• 28,309,978,688,000 seconds is equal to 900,169 years, 39 weeks, 1 day, 8 hours, 53 minutes, 20 seconds.
• To count from 1 to 28,309,978,688,000 would take you about two million, two hundred fifty thousand, four hundred twenty-four 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 28309978688000 cubic inches would be around 2539.8 feet tall.

Recreational maths with 28309978688000

• 28309978688000 backwards is 00088687990382
• 28309978688000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28309978688000's digits is 68
• More coming soon!