20889784320

Names of 20889784320

• Cardinal: 20889784320 can be written as Twenty billion, eight hundred eighty-nine million, seven hundred eighty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.088978432 × 10¹⁰

Factors of 20889784320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3414

Divisors of 20889784320

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 103 120 128 160 192 206 240 256 309 320 384 412 480 512 515 618 640 768 824 960 1024 1030 1236 1280 1536 1545 1648 1920 2048 2060 2472 2560 3072 3090 3296 3301 3840 4096 4120 4944 5120 6144 6180 6592 6602 7680 8240 9888 9903 10240 12288 12360 13184 13204 15360 16480 16505 19776 19806 20480 24720 26368 26408 30720 32960 33010 39552 39612 49440 49515 52736 52816 61440 65920 66020 79104 79224 98880 99030 105472 105632 131840 132040 158208 158448 197760 198060 210944 211264 263680 264080 316416 316896 340003 395520 396120 421888 422528 527360 528160 632832 633792 680006 791040 792240 845056 1020009 1054720 1056320 1265664 1267584 1360012 1582080 1584480 1690112 1700015 2040018 2109440 2112640 2535168 2720024 3164160 3168960 3380224 3400030 4080036 4225280 5070336 5100045 5440048 6328320 6337920 6760448 6800060 8160072 8450560 10140672 10200090 10880096 12675840 13520896 13600120 16320144 16901120 20281344 20400180 21760192 25351680 27200240 32640288 33802240 40562688 40800360 43520384 50703360 54400480 65280576 67604480 81600720 87040768 101406720 108800960 130561152 163201440 174081536 202813440 217601920 261122304 326402880 348163072 435203840 522244608 652805760 696326144 870407680 1044489216 1305611520 1392652288 1740815360 2088978432 2611223040 3481630720 4177956864 5222446080 6963261440 10444892160 20889784320
• Sum of all divisors σ(n): 67508518272
• Sum of proper divisors (its aliquot sum) s(n): 46618733952
• 20889784320 is an abundant number, because the sum of its proper divisors (46618733952) is greater than itself. Its abundance is 25728949632

Bases of 20889784320

• Binary: 10011011101001000001101000000000000₂
• Hexadecimal: 0x4DD20D000
• Base-36: 9LH8KQO

Squares and roots of 20889784320

• 20889784320 squared (20889784320²) is 436383088936117862400
• 20889784320 cubed (20889784320³) is 9115948608770880403635437568000
• The square root of 20889784320 is 144532.9869614547
• The cube root of 20889784320 is 2754.0890933765

Scales and comparisons

• 20,889,784,320 seconds is equal to 664 years, 11 weeks, 6 days, 21 hours, 52 minutes.
• To count from 1 to 20,889,784,320 would take you about one thousand, three hundred twenty-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 20889784320 cubic inches would be around 229.5 feet tall.

Recreational maths with 20889784320

• 20889784320 backwards is 02348798802
• The number of decimal digits it has is: 11
• The sum of 20889784320's digits is 51
• More coming soon!