20789677740
20,789,677,740 is an even composite number composed of seven prime numbers multiplied together.
20789677740 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 20789677740:
22 × 3 × 5 × 13 × 17 × 307 × 5107
(2 × 2 × 3 × 5 × 13 × 17 × 307 × 5107)See below for interesting mathematical facts about the number 20789677740 from the Numbermatics database.
Names of 20789677740
- Cardinal: 20789677740 can be written as Twenty billion, seven hundred eighty-nine million, six hundred seventy-seven thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.078967774 × 1010
Factors of 20789677740
Divisors of 20789677740
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 17 20 26 30 34 39 51 52 60 65 68 78 85 102 130 156 170 195 204 221 255 260 307 340 390 442 510 614 663 780 884 921 1020 1105 1228 1326 1535 1842 2210 2652 3070 3315 3684 3991 4420 4605 5107 5219 6140 6630 7982 9210 10214 10438 11973 13260 15321 15657 15964 18420 19955 20428 20876 23946 25535 26095 30642 31314 39910 47892 51070 52190 59865 61284 62628 66391 67847 76605 78285 79820 86819 102140 104380 119730 132782 135694 153210 156570 173638 199173 203541 239460 260457 265564 271388 306420 313140 331955 339235 347276 398346 407082 434095 520914 663910 678470 796692 814164 868190 995865 1017705 1041828 1128647 1302285 1327820 1356940 1567849 1736380 1991730 2035410 2257294 2604570 3135698 3385941 3983460 4070820 4514588 4703547 5209140 5643235 6271396 6771882 7839245 9407094 11286470 13543764 15678490 16929705 18814188 20382037 22572940 23517735 26653433 31356980 33859410 40764074 47035470 53306866 61146111 67718820 79960299 81528148 94070940 101910185 106613732 122292222 133267165 159920598 203820370 244584444 266534330 305730555 319841196 346494629 399801495 407640740 533068660 611461110 692989258 799602990 1039483887 1222922220 1385978516 1599205980 1732473145 2078967774 3464946290 4157935548 5197419435 6929892580 10394838870 20789677740
- Sum of all divisors σ(n): 66605704704
- Sum of proper divisors (its aliquot sum) s(n): 45816026964
- 20789677740 is an abundant number, because the sum of its proper divisors (45816026964) is greater than itself. Its abundance is 25026349224
Bases of 20789677740
- Binary: 100110101110010100101001110101011002
- Hexadecimal: 0x4D7294EAC
- Base-36: 9JTMY0C
Squares and roots of 20789677740
- 20789677740 squared (207896777402) is 432210700533051507600
- 20789677740 cubed (207896777403) is 8985521179861787061825160824000
-
The
square root of 20789677740 is 144186.2605798485 -
The
cube root of 20789677740 is 2749.6827287967
Scales and comparisons
How big is 20789677740?- 20,789,677,740 seconds is equal to 661 years, 2 weeks, 3 days, 6 hours, 29 minutes.
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To count from 1 to 20,789,677,740 would take you about one thousand, three hundred twenty-two 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 20789677740 cubic inches would be around 229.1 feet tall.
Recreational maths with 20789677740
- 20789677740 backwards is 04777698702
- The number of decimal digits it has is: 11
- The sum of 20789677740's digits is 57
- More coming soon!
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