20643428960
20,643,428,960 is an even composite number composed of seven prime numbers multiplied together.
20643428960 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 20643428960:
25 × 5 × 7 × 11 × 67 × 89 × 281
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 67 × 89 × 281)See below for interesting mathematical facts about the number 20643428960 from the Numbermatics database.
Names of 20643428960
- Cardinal: 20643428960 can be written as Twenty billion, six hundred forty-three million, four hundred twenty-eight thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.064342896 × 1010
Factors of 20643428960
Divisors of 20643428960
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 67 70 77 80 88 89 110 112 134 140 154 160 176 178 220 224 268 280 281 308 335 352 356 385 440 445 469 536 560 562 616 623 670 712 737 770 880 890 938 979 1072 1120 1124 1232 1246 1340 1405 1424 1474 1540 1760 1780 1876 1958 1967 2144 2248 2345 2464 2492 2680 2810 2848 2948 3080 3091 3115 3560 3685 3752 3916 3934 4496 4690 4895 4984 5159 5360 5620 5896 5963 6160 6182 6230 6853 7120 7370 7504 7832 7868 8992 9380 9790 9835 9968 10318 10720 11240 11792 11926 12320 12364 12460 13706 14240 14740 15008 15455 15664 15736 18760 18827 19580 19670 19936 20636 21637 22480 23584 23852 24728 24920 25009 25795 27412 29480 29815 30910 31328 31472 34265 37520 37654 39160 39340 41272 41741 43274 44960 47704 49456 49840 50018 51590 54824 58960 59630 61820 62944 65593 68530 75040 75308 78320 78680 82544 83482 86548 94135 95408 98912 99680 100036 103180 108185 109648 117920 119260 123640 125045 131186 131789 137060 150616 156640 157360 165088 166964 173096 175063 188270 190816 200072 206360 207097 208705 216370 219296 238520 247280 250090 262372 263578 274120 275099 301232 314720 327965 333928 346192 350126 376540 400144 412720 414194 417410 432740 459151 477040 494560 500180 524744 527156 548240 550198 602464 655930 658945 667856 692384 700252 753080 800288 825440 828388 834820 865480 875315 918302 954080 1000360 1035485 1049488 1054312 1096480 1100396 1311860 1317890 1335712 1375495 1400504 1449679 1506160 1656776 1669640 1675603 1730960 1750630 1836604 1925693 2000720 2070970 2098976 2108624 2200792 2295755 2623720 2635780 2750990 2801008 2899358 3012320 3313552 3339280 3351206 3461920 3501260 3673208 3851386 4001440 4141940 4217248 4401584 4591510 5247440 5271560 5501980 5602016 5798716 6627104 6678560 6702412 7002520 7248395 7346416 7702772 8283880 8378015 8803168 9183020 9628465 10494880 10543120 11003960 11597432 11729221 13404824 14005040 14496790 14692832 15405544 16567760 16756030 18366040 18431633 19256930 21086240 22007920 23194864 23458442 26809648 28010080 28993580 30811088 33135520 33512060 36732080 36863266 38513860 44015840 46389728 46916884 53619296 57987160 58646105 61622176 67024120 73464160 73726532 77027720 92158165 93833768 115974320 117292210 129021431 134048240 147453064 154055440 184316330 187667536 231948640 234584420 258042862 268096480 294906128 308110880 368632660 375335072 469168840 516085724 589812256 645107155 737265320 938337680 1032171448 1290214310 1474530640 1876675360 2064342896 2580428620 2949061280 4128685792 5160857240 10321714480 20643428960
- Sum of all divisors σ(n): 62627281920
- Sum of proper divisors (its aliquot sum) s(n): 41983852960
- 20643428960 is an abundant number, because the sum of its proper divisors (41983852960) is greater than itself. Its abundance is 21340424000
Bases of 20643428960
- Binary: 100110011100111000110111010011000002
- Hexadecimal: 0x4CE71BA60
- Base-36: 9HEKBQ8
Squares and roots of 20643428960
- 20643428960 squared (206434289602) is 426151159226566681600
- 20643428960 cubed (206434289603) is 8797221181715277836312539136000
-
The
square root of 20643428960 is 143678.2132405605 -
The
cube root of 20643428960 is 2743.2198353263
Scales and comparisons
How big is 20643428960?- 20,643,428,960 seconds is equal to 656 years, 20 weeks, 4 days, 13 hours, 49 minutes, 20 seconds.
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To count from 1 to 20,643,428,960 would take you about one thousand, three hundred twelve 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 20643428960 cubic inches would be around 228.6 feet tall.
Recreational maths with 20643428960
- 20643428960 backwards is 06982434602
- 20643428960 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20643428960's digits is 44
- More coming soon!
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