20449947648

Names of 20449947648

• Cardinal: 20449947648 can be written as Twenty billion, four hundred forty-nine million, nine hundred forty-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.0449947648 × 10¹⁰

Factors of 20449947648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 740

Divisors of 20449947648

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 313 384 409 416 512 624 626 768 818 832 939 1024 1227 1248 1252 1536 1636 1664 1878 2048 2454 2496 2504 3072 3272 3328 3756 4069 4096 4908 4992 5008 5317 6144 6544 6656 7512 8138 9816 9984 10016 10634 12207 12288 13088 13312 15024 15951 16276 19632 19968 20032 21268 24414 26176 26624 30048 31902 32552 39264 39936 40064 42536 48828 52352 53248 60096 63804 65104 78528 79872 80128 85072 97656 104704 120192 127608 128017 130208 157056 159744 160256 170144 195312 209408 240384 255216 256034 260416 314112 320512 340288 384051 390624 418816 480768 510432 512068 520832 628224 641024 680576 768102 781248 837632 961536 1020864 1024136 1041664 1256448 1282048 1361152 1536204 1562496 1664221 1675264 1923072 2041728 2048272 2083328 2512896 2722304 3072408 3124992 3328442 3846144 4083456 4096544 4166656 4992663 5025792 5444608 6144816 6249984 6656884 8166912 8193088 8333312 9985326 10889216 12289632 12499968 13313768 16333824 16386176 16666624 19970652 21778432 24579264 24999936 26627536 32667648 32772352 39941304 49158528 49999872 53255072 65335296 65544704 79882608 98317056 106510144 131089408 159765216 196634112 213020288 262178816 319530432 393268224 426040576 524357632 639060864 786536448 852081152 1278121728 1573072896 1704162304 2556243456 3408324608 5112486912 6816649216 10224973824 20449947648
• Sum of all divisors σ(n): 59052523040
• Sum of proper divisors (its aliquot sum) s(n): 38602575392
• 20449947648 is an abundant number, because the sum of its proper divisors (38602575392) is greater than itself. Its abundance is 18152627744

Bases of 20449947648

• Binary: 10011000010111010010111000000000000₂
• Hexadecimal: 0x4C2E97000
• Base-36: 9E7DCLC

Squares and roots of 20449947648

• 20449947648 squared (20449947648²) is 418200358805940731904
• 20449947648 cubed (20449947648³) is 8552175443956303758827603361792
• The square root of 20449947648 is 143003.3134161583
• The cube root of 20449947648 is 2734.6226095903

Scales and comparisons

• 20,449,947,648 seconds is equal to 650 years, 12 weeks, 5 days, 5 hours, 48 seconds.
• To count from 1 to 20,449,947,648 would take you about one thousand, three hundred 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 20449947648 cubic inches would be around 227.9 feet tall.

Recreational maths with 20449947648

• 20449947648 backwards is 84674994402
• The number of decimal digits it has is: 11
• The sum of 20449947648's digits is 57
• More coming soon!