20418849920
20,418,849,920 is an even composite number composed of six prime numbers multiplied together.
20418849920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 20418849920:
27 × 5 × 7 × 83 × 89 × 617
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 83 × 89 × 617)See below for interesting mathematical facts about the number 20418849920 from the Numbermatics database.
Names of 20418849920
- Cardinal: 20418849920 can be written as Twenty billion, four hundred eighteen million, eight hundred forty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.041884992 × 1010
Factors of 20418849920
Divisors of 20418849920
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 83 89 112 128 140 160 166 178 224 280 320 332 356 415 445 448 560 581 617 623 640 664 712 830 890 896 1120 1162 1234 1246 1328 1424 1660 1780 2240 2324 2468 2492 2656 2848 2905 3085 3115 3320 3560 4319 4480 4648 4936 4984 5312 5696 5810 6170 6230 6640 7120 7387 8638 9296 9872 9968 10624 11392 11620 12340 12460 13280 14240 14774 17276 18592 19744 19936 21595 23240 24680 24920 26560 28480 29548 34552 36935 37184 39488 39872 43190 46480 49360 49840 51211 51709 53120 54913 56960 59096 69104 73870 74368 78976 79744 86380 92960 98720 99680 102422 103418 109826 118192 138208 147740 172760 185920 197440 199360 204844 206836 219652 236384 256055 258545 274565 276416 295480 345520 358477 371840 384391 394880 398720 409688 413672 439304 472768 512110 517090 549130 552832 590960 691040 716954 768782 819376 827344 878608 945536 1024220 1034180 1098260 1181920 1382080 1433908 1537564 1638752 1654688 1757216 1792385 1921955 2048440 2068360 2196520 2363840 2764160 2867816 3075128 3277504 3309376 3514432 3584770 3843910 4096880 4136720 4393040 4557779 4727680 5735632 6150256 6555008 6618752 7028864 7169540 7687820 8193760 8273440 8786080 9115558 11471264 12300512 14339080 15375640 16387520 16546880 17572160 18231116 22788895 22942528 24601024 28678160 30751280 31904453 32775040 33093760 35144320 36462232 45577790 45885056 49202048 57356320 61502560 63808906 72924464 91155580 114712640 123005120 127617812 145848928 159522265 182311160 229425280 246010240 255235624 291697856 319044530 364622320 510471248 583395712 638089060 729244640 1020942496 1276178120 1458489280 2041884992 2552356240 2916978560 4083769984 5104712480 10209424960 20418849920
- Sum of all divisors σ(n): 57186259200
- Sum of proper divisors (its aliquot sum) s(n): 36767409280
- 20418849920 is an abundant number, because the sum of its proper divisors (36767409280) is greater than itself. Its abundance is 16348559360
Bases of 20418849920
- Binary: 100110000010000111011101100100000002
- Hexadecimal: 0x4C10EEC80
- Base-36: 9DOUTFK
Squares and roots of 20418849920
- 20418849920 squared (204188499202) is 416929432055484006400
- 20418849920 cubed (204188499203) is 8513219500371765039641919488000
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The
square root of 20418849920 is 142894.5412533313 -
The
cube root of 20418849920 is 2733.2357487799
Scales and comparisons
How big is 20418849920?- 20,418,849,920 seconds is equal to 649 years, 13 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
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To count from 1 to 20,418,849,920 would take you about one thousand, two hundred ninety-eight 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 20418849920 cubic inches would be around 227.8 feet tall.
Recreational maths with 20418849920
- 20418849920 backwards is 02994881402
- The number of decimal digits it has is: 11
- The sum of 20418849920's digits is 47
- More coming soon!
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