12820398819840

Names of 12820398819840

• Cardinal: 12820398819840 can be written as Twelve trillion, eight hundred twenty billion, three hundred ninety-eight million, eight hundred nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.282039881984 × 10¹³

Factors of 12820398819840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 2631

Divisors of 12820398819840

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 640 648 720 729 768 810 864 960 972 1080 1152 1215 1280 1296 1440 1458 1536 1620 1728 1920 1944 2160 2304 2430 2560 2592 2621 2880 2916 3240 3456 3645 3840 3888 4320 4608 4860 5184 5242 5760 5832 6480 6912 7290 7680 7776 7863 8640 9720 10368 10484 11520 11664 12960 13105 13824 14580 15552 15726 17280 19440 20736 20968 23040 23328 23589 25920 26210 29160 31104 31452 34560 38880 39315 41472 41936 46656 47178 51840 52420 58320 62208 62904 69120 70767 77760 78630 83872 93312 94356 103680 104840 116640 117945 124416 125808 141534 155520 157260 167744 186624 188712 207360 209680 212301 233280 235890 251616 283068 311040 314520 335488 353835 373248 377424 419360 424602 466560 471780 503232 566136 622080 629040 636903 670976 707670 754848 838720 849204 933120 943560 1006464 1061505 1132272 1258080 1273806 1341952 1415340 1509696 1677440 1698408 1866240 1887120 1910709 2012928 2123010 2264544 2516160 2547612 2830680 3019392 3184515 3354880 3396816 3774240 3821418 4025856 4246020 4529088 5032320 5095224 5661360 6038784 6369030 6709760 6793632 6869641 7548480 7642836 8492040 9058176 9553545 10064640 10190448 11322720 12077568 12738060 13587264 13739282 15096960 15285672 16984080 18116352 19107090 20129280 20380896 20608923 22645440 25476120 27174528 27478564 30193920 30571344 33968160 34348205 36232704 38214180 40761792 41217846 45290880 50952240 54349056 54957128 60387840 61142688 61826769 67936320 68696410 76428360 81523584 82435692 90581760 101904480 103044615 108698112 109914256 122285376 123653538 135872640 137392820 152856720 163047168 164871384 181163520 185480307 203808960 206089230 219828512 244570752 247307076 271745280 274785640 305713440 309133845 326094336 329742768 370960614 407617920 412178460 439657024 489141504 494614152 543490560 549571280 556440921 611426880 618267690 659485536 741921228 815235840 824356920 879314048 927401535 978283008 989228304 1099142560 1112881842 1222853760 1236535380 1318971072 1483842456 1630471680 1648713840 1669322763 1758628096 1854803070 1978456608 2198285120 2225763684 2445707520 2473070760 2637942144 2782204605 2967684912 3297427680 3338645526 3517256192 3709606140 3956913216 4396570240 4451527368 4891415040 4946141520 5007968289 5275884288 5564409210 5935369824 6594855360 6677291052 7419212280 7913826432 8346613815 8793140480 8903054736 9892283040 10015936578 10551768576 11128818420 11870739648 13189710720 13354582104 14838424560 15827652864 16693227630 17586280960 17806109472 19784566080 20031873156 22257636840 23741479296 25039841445 26379421440 26709164208 29676849120 31655305728 33386455260 35612218944 39569132160 40063746312 44515273680 47482958592 50079682890 52758842880 53418328416 59353698240 66772910520 71224437888 79138264320 80127492624 89030547360 94965917184 100159365780 106836656832 118707396480 133545821040 142448875776 158276528640 160254985248 178061094720 200318731560 213673313664 237414792960 267091642080 284897751552 320509970496 356122189440 400637463120 427346627328 474829585920 534183284160 641019940992 712244378880 801274926240 854693254656 1068366568320 1282039881984 1424488757760 1602549852480 2136733136640 2564079763968 3205099704960 4273466273280 6410199409920 12820398819840
• Sum of all divisors σ(n): 46104871671342
• Sum of proper divisors (its aliquot sum) s(n): 33284472851502
• 12820398819840 is an abundant number, because the sum of its proper divisors (33284472851502) is greater than itself. Its abundance is 20464074031662

Bases of 12820398819840

• Binary: 10111010100011111011010100010100101000000000₂
• Hexadecimal: 0xBA8FB514A00
• Base-36: 4JLLYG000

Squares and roots of 12820398819840

• 12820398819840 squared (12820398819840²) is 164362625899754864777625600
• 12820398819840 cubed (12820398819840³) is 2107194415111020686540370026277371904000
• The square root of 12820398819840 is 3580558.4508341713
• The cube root of 12820398819840 is 23404.5616668901

Scales and comparisons

• 12,820,398,819,840 seconds is equal to 407,649 years, 1 week, 2 days, 14 hours, 24 minutes.
• To count from 1 to 12,820,398,819,840 would take you about one million, nineteen thousand, one 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 12820398819840 cubic inches would be around 1950.4 feet tall.

Recreational maths with 12820398819840

• 12820398819840 backwards is 04891889302821
• The number of decimal digits it has is: 14
• The sum of 12820398819840's digits is 63
• More coming soon!