1991321389000000
1,991,321,389,000,000 is an even composite number composed of four prime numbers multiplied together.
1991321389000000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred ninety-two divisors.
Prime factorization of 1991321389000000:
26 × 56 × 373 × 39313
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 37 × 37 × 37 × 39313)See below for interesting mathematical facts about the number 1991321389000000 from the Numbermatics database.
Names of 1991321389000000
- Cardinal: 1991321389000000 can be written as One quadrillion, nine hundred ninety-one trillion, three hundred twenty-one billion, three hundred eighty-nine million.
Scientific notation
- Scientific notation: 1.991321389 × 1015
Factors of 1991321389000000
Divisors of 1991321389000000
- Number of divisors d(n): 392
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 37 40 50 64 74 80 100 125 148 160 185 200 250 296 320 370 400 500 592 625 740 800 925 1000 1184 1250 1369 1480 1600 1850 2000 2368 2500 2738 2960 3125 3700 4000 4625 5000 5476 5920 6250 6845 7400 8000 9250 10000 10952 11840 12500 13690 14800 15625 18500 20000 21904 23125 25000 27380 29600 31250 34225 37000 39313 40000 43808 46250 50000 50653 54760 59200 62500 68450 74000 78626 87616 92500 100000 101306 109520 115625 125000 136900 148000 157252 171125 185000 196565 200000 202612 219040 231250 250000 253265 273800 296000 314504 342250 370000 393130 405224 438080 462500 500000 506530 547600 578125 629008 684500 740000 786260 810448 855625 925000 982825 1000000 1013060 1095200 1156250 1258016 1266325 1369000 1454581 1480000 1572520 1620896 1711250 1850000 1965650 2026120 2190400 2312500 2516032 2532650 2738000 2909162 3145040 3241792 3422500 3700000 3931300 4052240 4278125 4625000 4914125 5065300 5476000 5818324 6290080 6331625 6845000 7272905 7400000 7862600 8104480 8556250 9250000 9828250 10130600 10952000 11636648 12580160 12663250 13690000 14545810 15725200 16208960 17112500 18500000 19656500 20261200 21390625 23273296 24570625 25326500 27380000 29091620 31450400 31658125 34225000 36364525 37000000 39313000 40522400 42781250 46546592 49141250 50653000 53819497 54760000 58183240 62900800 63316250 68450000 72729050 78626000 81044800 85562500 93093184 98282500 101306000 107638994 116366480 122853125 126632500 136900000 145458100 157252000 158290625 171125000 181822625 196565000 202612000 215277988 232732960 245706250 253265000 269097485 273800000 290916200 314504000 316581250 342250000 363645250 393130000 405224000 430555976 465465920 491412500 506530000 538194970 581832400 614265625 633162500 684500000 727290500 786260000 791453125 861111952 909113125 982825000 1013060000 1076389940 1163664800 1228531250 1266325000 1345487425 1369000000 1454581000 1572520000 1582906250 1722223904 1818226250 1965650000 1991321389 2026120000 2152779880 2327329600 2457062500 2532650000 2690974850 2909162000 3165812500 3444447808 3636452500 3931300000 3982642778 4305559760 4545565625 4914125000 5065300000 5381949700 5818324000 6331625000 6727437125 7272905000 7862600000 7965285556 8611119520 9091131250 9828250000 9956606945 10130600000 10763899400 11636648000 12663250000 13454874250 14545810000 15930571112 17222239040 18182262500 19656500000 19913213890 21527798800 22727828125 25326500000 26909748500 29091620000 31861142224 33637185625 36364525000 39313000000 39826427780 43055597600 45455656250 49783034725 50653000000 53819497000 58183240000 63722284448 67274371250 72729050000 79652855560 86111195200 90911312500 99566069450 107638994000 127444568896 134548742500 145458100000 159305711120 168185928125 181822625000 199132138900 215277988000 248915173625 269097485000 290916200000 318611422240 336371856250 363645250000 398264277800 430555976000 497830347250 538194970000 637222844480 672743712500 727290500000 796528555600 840929640625 995660694500 1076389940000 1244575868125 1345487425000 1454581000000 1593057111200 1681859281250 1991321389000 2152779880000 2489151736250 2690974850000 3186114222400 3363718562500 3982642778000 4978303472500 5381949700000 6222879340625 6727437125000 7965285556000 9956606945000 10763899400000 12445758681250 13454874250000 15930571112000 19913213890000 24891517362500 26909748500000 31114396703125 39826427780000 49783034725000 53819497000000 62228793406250 79652855560000 99566069450000 124457586812500 199132138900000 248915173625000 398264277800000 497830347250000 995660694500000 1991321389000000
- Sum of all divisors σ(n): 5076677765349080
- Sum of proper divisors (its aliquot sum) s(n): 3085356376349080
- 1991321389000000 is an abundant number, because the sum of its proper divisors (3085356376349080) is greater than itself. Its abundance is 1094034987349080
Bases of 1991321389000000
- Binary: 1110001001100011000101001000000011001100101010000002
- Hexadecimal: 0x71318A4066540
- Base-36: JLV4F0M69S
Squares and roots of 1991321389000000
- 1991321389000000 squared (19913213890000002) is 3965360874288889321000000000000
- 1991321389000000 cubed (19913213890000003) is 7896307924075205469960986869000000000000000000
-
The
square root of 1991321389000000 is 44624224.2397556981 -
The
cube root of 1991321389000000 is 125809.6013433093
Scales and comparisons
How big is 1991321389000000?- 1,991,321,389,000,000 seconds is equal to 63,317,860 years, 31 weeks, 4 days, 13 hours, 46 minutes, 40 seconds.
-
To count from 1 to 1,991,321,389,000,000 would take you about one hundred eighty-nine million, nine hundred fifty-three thousand, five hundred eighty-one 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 1991321389000000 cubic inches would be around 10484.1 feet tall.
Recreational maths with 1991321389000000
- 1991321389000000 backwards is 0000009831231991
- The number of decimal digits it has is: 16
- The sum of 1991321389000000's digits is 46
- More coming soon!
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