28239409520

Names of 28239409520

• Cardinal: 28239409520 can be written as Twenty-eight billion, two hundred thirty-nine million, four hundred nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.823940952 × 10¹⁰

Factors of 28239409520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1954

Divisors of 28239409520

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 79 80 98 112 140 158 196 245 280 316 343 392 395 490 553 560 632 686 784 790 980 1106 1264 1372 1580 1715 1861 1960 2212 2401 2744 2765 3160 3430 3722 3871 3920 4424 4802 5488 5530 6320 6860 7444 7742 8848 9305 9604 11060 12005 13027 13720 14888 15484 18610 19208 19355 22120 24010 26054 27097 27440 29776 30968 37220 38416 38710 44240 48020 52108 54194 61936 65135 74440 77420 91189 96040 104216 108388 130270 135485 147019 148880 154840 182378 189679 192080 208432 216776 260540 270970 294038 309680 364756 379358 433552 455945 521080 541940 588076 638323 729512 735095 758716 911890 948395 1029133 1042160 1083880 1176152 1276646 1459024 1470190 1517432 1823780 1896790 2058266 2167760 2352304 2553292 2940380 3034864 3191615 3647560 3793580 4116532 4468261 5106584 5145665 5880760 6383230 7203931 7295120 7587160 8233064 8936522 10213168 10291330 11761520 12766460 14407862 15174320 16466128 17873044 20582660 22341305 25532920 28815724 35746088 36019655 41165320 44682610 50427517 51065840 57631448 71492176 72039310 82330640 89365220 100855034 115262896 144078620 178730440 201710068 252137585 288157240 352992619 357460880 403420136 504275170 576314480 705985238 806840272 1008550340 1411970476 1764963095 2017100680 2823940952 3529926190 4034201360 5647881904 7059852380 14119704760 28239409520
• Sum of all divisors σ(n): 77606074560
• Sum of proper divisors (its aliquot sum) s(n): 49366665040
• 28239409520 is an abundant number, because the sum of its proper divisors (49366665040) is greater than itself. Its abundance is 21127255520

Bases of 28239409520

• Binary: 11010010011001100110011000101110000₂
• Hexadecimal: 0x693333170
• Base-36: CZ10JU8

Squares and roots of 28239409520

• 28239409520 squared (28239409520²) is 797464250038266630400
• 28239409520 cubed (28239409520³) is 22519919534390287046816081408000
• The square root of 28239409520 is 168045.8554085759
• The cube root of 28239409520 is 3045.2190444441

Scales and comparisons

• 28,239,409,520 seconds is equal to 897 years, 48 weeks, 1 day, 25 minutes, 20 seconds.
• To count from 1 to 28,239,409,520 would take you about one thousand, seven hundred ninety-five 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 28239409520 cubic inches would be around 253.8 feet tall.

Recreational maths with 28239409520

• 28239409520 backwards is 02590493282
• The number of decimal digits it has is: 11
• The sum of 28239409520's digits is 44
• More coming soon!