20780988480

Names of 20780988480

• Cardinal: 20780988480 can be written as Twenty billion, seven hundred eighty million, nine hundred eighty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.078098848 × 10¹⁰

Factors of 20780988480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 343618

Divisors of 20780988480

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 135 140 144 160 168 180 189 192 210 216 224 240 252 270 280 288 315 320 336 360 378 420 432 448 480 504 540 560 576 630 672 720 756 840 864 945 960 1008 1080 1120 1260 1344 1440 1512 1680 1728 1890 2016 2160 2240 2520 2880 3024 3360 3780 4032 4320 5040 6048 6720 7560 8640 10080 12096 15120 20160 30240 60480 343601 687202 1030803 1374404 1718005 2061606 2405207 2748808 3092409 3436010 4123212 4810414 5154015 5497616 6184818 6872020 7215621 8246424 9277227 9620828 10308030 10995232 12026035 12369636 13744040 14431242 15462045 16492848 18554454 19241656 20616060 21646863 21990464 24052070 24739272 27488080 28862484 30924090 32985696 36078105 37108908 38483312 41232120 43293726 46386135 48104140 49478544 54976160 57724968 61848180 64940589 65971392 72156210 74217816 76966624 82464240 86587452 92772270 96208280 98957088 108234315 109952320 115449936 123696360 129881178 144312420 148435632 153933248 164928480 173174904 185544540 192416560 197914176 216468630 230899872 247392720 259762356 288624840 296871264 324702945 329856960 346349808 371089080 384833120 432937260 461799744 494785440 519524712 577249680 593742528 649405890 692699616 742178160 769666240 865874520 989570880 1039049424 1154499360 1298811780 1385399232 1484356320 1731749040 2078098848 2308998720 2597623560 2968712640 3463498080 4156197696 5195247120 6926996160 10390494240 20780988480
• Sum of all divisors σ(n): 83783911680
• Sum of proper divisors (its aliquot sum) s(n): 63002923200
• 20780988480 is an abundant number, because the sum of its proper divisors (63002923200) is greater than itself. Its abundance is 42221934720

Bases of 20780988480

• Binary: 10011010110101001001011100001000000₂
• Hexadecimal: 0x4D6A4B840
• Base-36: 9JOGPC0

Squares and roots of 20780988480

• 20780988480 squared (20780988480²) is 431849482205892710400
• 20780988480 cubed (20780988480³) is 8974259114814621402938376192000
• The square root of 20780988480 is 144156.1253641343
• The cube root of 20780988480 is 2749.2995893377

Scales and comparisons

• 20,780,988,480 seconds is equal to 660 years, 40 weeks, 16 hours, 48 minutes.
• To count from 1 to 20,780,988,480 would take you about one thousand, three hundred twenty-one 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 20780988480 cubic inches would be around 229.1 feet tall.

Recreational maths with 20780988480

• 20780988480 backwards is 08488908702
• 20780988480 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20780988480's digits is 54
• More coming soon!