28009389424640

Names of 28009389424640

• Cardinal: 28009389424640 can be written as Twenty-eight trillion, nine billion, three hundred eighty-nine million, four hundred twenty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.800938942464 × 10¹³

Factors of 28009389424640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 44298

Divisors of 28009389424640

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 149 160 208 256 260 298 320 416 512 520 596 640 745 832 1024 1040 1192 1280 1490 1664 1937 2048 2080 2384 2560 2980 3328 3874 4096 4160 4768 5120 5960 6656 7748 8192 8320 9536 9685 10240 11920 13312 15496 16384 16640 19072 19370 20480 23840 26624 30992 32768 33280 38144 38740 40960 44129 47680 53248 61984 65536 66560 76288 77480 81920 88258 95360 106496 123968 133120 152576 154960 163840 176516 190720 212992 220645 247936 266240 305152 309920 327680 353032 381440 425984 441290 495872 532480 573677 610304 619840 706064 762880 851968 882580 991744 1064960 1147354 1220608 1239680 1412128 1525760 1765160 1983488 2129920 2294708 2441216 2479360 2824256 2868385 3051520 3530320 3966976 4259840 4589416 4882432 4958720 5648512 5736770 6103040 6575221 7060640 7933952 9178832 9764864 9917440 11297024 11473540 12206080 13150442 14121280 15867904 18357664 19834880 22594048 22947080 24412160 26300884 28242560 31735808 32876105 36715328 39669760 45188096 45894160 48824320 52601768 56485120 63471616 65752210 73430656 79339520 85477873 90376192 91788320 105203536 112970240 126943232 131504420 146861312 158679040 170955746 180752384 183576640 210407072 225940480 263008840 293722624 317358080 341911492 361504768 367153280 420814144 427389365 451880960 526017680 587445248 634716160 683822984 723009536 734306560 841628288 854778730 903761920 1052035360 1174890496 1367645968 1446019072 1468613120 1683256576 1709557460 1807523840 2104070720 2349780992 2735291936 2892038144 2937226240 3366513152 3419114920 3615047680 4208141440 4699561984 5470583872 5874452480 6733026304 6838229840 7230095360 8416282880 9399123968 10941167744 11748904960 13466052608 13676459680 14460190720 16832565760 18798247936 21882335488 23497809920 26932105216 27352919360 33665131520 37596495872 43764670976 46995619840 53864210432 54705838720 67330263040 87529341952 93991239680 107728420864 109411677440 134660526080 175058683904 187982479360 215456841728 218823354880 269321052160 350117367808 430913683456 437646709760 538642104320 700234735616 875293419520 1077284208640 1400469471232 1750586839040 2154568417280 2800938942464 3501173678080 5601877884928 7002347356160 14004694712320 28009389424640
• Sum of all divisors σ(n): 72880456698000
• Sum of proper divisors (its aliquot sum) s(n): 44871067273360
• 28009389424640 is an abundant number, because the sum of its proper divisors (44871067273360) is greater than itself. Its abundance is 16861677848720

Bases of 28009389424640

• Binary: 110010111100101110001101101010000000000000000₂
• Hexadecimal: 0x197971B50000
• Base-36: 9XFC3A60W

Squares and roots of 28009389424640

• 28009389424640 squared (28009389424640²) is 784525895941135070239129600
• 28009389424640 cubed (28009389424640³) is 21974091333129849736313700214158393344000
• The square root of 28009389424640 is 5292389.7649965275
• The cube root of 28009389424640 is 30369.2836041003

Scales and comparisons

• 28,009,389,424,640 seconds is equal to 890,611 years, 49 weeks, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 28,009,389,424,640 would take you about two million, two hundred twenty-six thousand, five hundred twenty-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 28009389424640 cubic inches would be around 2530.8 feet tall.

Recreational maths with 28009389424640

• 28009389424640 backwards is 04642498390082
• The number of decimal digits it has is: 14
• The sum of 28009389424640's digits is 59
• More coming soon!