20428978889200
20,428,978,889,200 is an even composite number composed of five prime numbers multiplied together.
20428978889200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred seventy divisors.
Prime factorization of 20428978889200:
24 × 52 × 7 × 2292 × 3732
(2 × 2 × 2 × 2 × 5 × 5 × 7 × 229 × 229 × 373 × 373)See below for interesting mathematical facts about the number 20428978889200 from the Numbermatics database.
Names of 20428978889200
- Cardinal: 20428978889200 can be written as Twenty trillion, four hundred twenty-eight billion, nine hundred seventy-eight million, eight hundred eighty-nine thousand, two hundred.
Scientific notation
- Scientific notation: 2.04289788892 × 1013
Factors of 20428978889200
Divisors of 20428978889200
- Number of divisors d(n): 270
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 229 280 350 373 400 458 560 700 746 916 1145 1400 1492 1603 1832 1865 2290 2611 2800 2984 3206 3664 3730 4580 5222 5725 5968 6412 7460 8015 9160 9325 10444 11450 12824 13055 14920 16030 18320 18650 20888 22900 25648 26110 29840 32060 37300 40075 41776 45800 52220 52441 64120 65275 74600 80150 85417 91600 104440 104882 128240 130550 139129 149200 160300 170834 208880 209764 261100 262205 278258 320600 341668 367087 419528 427085 522200 524410 556516 597919 641200 683336 695645 734174 839056 854170 973903 1044400 1048820 1113032 1195838 1311025 1366672 1391290 1468348 1708340 1835435 1947806 2097640 2135425 2226064 2391676 2622050 2782580 2936696 2989595 3416680 3478225 3670870 3895612 4195280 4270850 4783352 4869515 5244100 5565160 5873392 5979190 6833360 6956450 7341740 7791224 8541700 9177175 9566704 9739030 10488200 11130320 11958380 13912900 14683480 14947975 15582448 17083400 18354350 19478060 19560493 20976400 23916760 24347575 27825800 29366960 29895950 31860541 34166800 36708700 38956120 39120986 47833520 48695150 55651600 59791900 63721082 73417400 77912240 78241972 97390300 97802465 119583800 127442164 136923451 146834800 156483944 159302705 194780600 195604930 223023787 239167600 254884328 273846902 312967888 318605410 389561200 391209860 446047574 489012325 509768656 547693804 637210820 684617255 782419720 796513525 892095148 978024650 1095387608 1115118935 1274421640 1369234510 1564839440 1593027050 1784190296 1956049300 2190775216 2230237870 2548843280 2738469020 3186054100 3423086275 3568380592 3912098600 4460475740 5476938040 5575594675 6372108200 6846172550 7296063889 7824197200 8920951480 10953876080 11151189350 12744216400 13692345100 14592127778 17841902960 22302378700 27384690200 29184255556 36480319445 44604757400 51072447223 54769380400 58368511112 72960638890 89209514800 102144894446 116737022224 145921277780 182401597225 204289788892 255362236115 291842555560 364803194450 408579577784 510724472230 583685111120 729606388900 817159155568 1021448944460 1276811180575 1459212777800 2042897888920 2553622361150 2918425555600 4085795777840 5107244722300 10214489444600 20428978889200
- Sum of all divisors σ(n): 56489598199944
- Sum of proper divisors (its aliquot sum) s(n): 36060619310744
- 20428978889200 is an abundant number, because the sum of its proper divisors (36060619310744) is greater than itself. Its abundance is 15631640421544
Bases of 20428978889200
- Binary: 1001010010100011111100000011110100001111100002
- Hexadecimal: 0x12947E07A1F0
- Base-36: 78OXYKIR4
Squares and roots of 20428978889200
- 20428978889200 squared (204289788892002) is 417343178455379265876640000
- 20428978889200 cubed (204289788892003) is 8525894982216571286773272491428288000000
-
The
square root of 20428978889200 is 4519842.7947440827 -
The
cube root of 20428978889200 is 27336.8762346609
Scales and comparisons
How big is 20428978889200?- 20,428,978,889,200 seconds is equal to 649,578 years, 17 weeks, 3 days, 22 hours, 6 minutes, 40 seconds.
-
To count from 1 to 20,428,978,889,200 would take you about one million, six hundred twenty-three thousand, nine hundred forty-five 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 20428978889200 cubic inches would be around 2278.1 feet tall.
Recreational maths with 20428978889200
- 20428978889200 backwards is 00298887982402
- The number of decimal digits it has is: 14
- The sum of 20428978889200's digits is 67
- More coming soon!
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