20388342528

Names of 20388342528

• Cardinal: 20388342528 can be written as Twenty billion, three hundred eighty-eight million, three hundred forty-two thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0388342528 × 10¹⁰

Factors of 20388342528

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 401

Divisors of 20388342528

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 163 192 233 256 288 326 384 466 489 576 652 699 768 932 978 1152 1304 1398 1467 1864 1956 2097 2304 2608 2796 2934 3728 3912 4194 5216 5592 5868 7456 7824 8388 10432 11184 11736 14912 15648 16776 20864 22368 23472 29824 31296 33552 37979 41728 44736 46944 54289 59648 62592 67104 75958 89472 93888 108578 113937 125184 134208 151916 162867 178944 187776 217156 227874 268416 303832 325734 341811 375552 434312 455748 488601 536832 607664 651468 683622 868624 911496 977202 1215328 1302936 1367244 1737248 1822992 1954404 2430656 2605872 2734488 3474496 3645984 3908808 4861312 5211744 5468976 6948992 7291968 7817616 8849107 9722624 10423488 10937952 13897984 14583936 15635232 17698214 20846976 21875904 26547321 29167872 31270464 35396428 41693952 43751808 53094642 62540928 70792856 79641963 87503616 106189284 125081856 141585712 159283926 212378568 283171424 318567852 424757136 566342848 637135704 849514272 1132685696 1274271408 1699028544 2265371392 2548542816 3398057088 5097085632 6796114176 10194171264 20388342528
• Sum of all divisors σ(n): 59400191396
• Sum of proper divisors (its aliquot sum) s(n): 39011848868
• 20388342528 is an abundant number, because the sum of its proper divisors (39011848868) is greater than itself. Its abundance is 18623506340

Bases of 20388342528

• Binary: 10010111111001111010110101100000000₂
• Hexadecimal: 0x4BF3D6B00
• Base-36: 9D6OXS0

Squares and roots of 20388342528

• 20388342528 squared (20388342528²) is 415684511039053430784
• 20388342528 cubed (20388342528³) is 8475118194648418531717731581952
• The square root of 20388342528 is 142787.7534244447
• The cube root of 20388342528 is 2731.8738461485

Scales and comparisons

• 20,388,342,528 seconds is equal to 648 years, 14 weeks, 6 days, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 20,388,342,528 would take you about one thousand, two hundred ninety-six 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 20388342528 cubic inches would be around 227.7 feet tall.

Recreational maths with 20388342528

• 20388342528 backwards is 82524388302
• The number of decimal digits it has is: 11
• The sum of 20388342528's digits is 45
• More coming soon!