13218863840
13,218,863,840 is an even composite number composed of six prime numbers multiplied together.
13218863840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 13218863840:
25 × 5 × 7 × 13 × 89 × 1012
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 89 × 101 × 101)See below for interesting mathematical facts about the number 13218863840 from the Numbermatics database.
Names of 13218863840
- Cardinal: 13218863840 can be written as Thirteen billion, two hundred eighteen million, eight hundred sixty-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.321886384 × 1010
Factors of 13218863840
Divisors of 13218863840
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 89 91 101 104 112 130 140 160 178 182 202 208 224 260 280 356 364 404 416 445 455 505 520 560 623 707 712 728 808 890 910 1010 1040 1120 1157 1246 1313 1414 1424 1456 1616 1780 1820 2020 2080 2314 2492 2626 2828 2848 2912 3115 3232 3535 3560 3640 4040 4628 4984 5252 5656 5785 6230 6565 7070 7120 7280 8080 8099 8989 9191 9256 9968 10201 10504 11312 11570 12460 13130 14140 14240 14560 16160 16198 17978 18382 18512 19936 20402 21008 22624 23140 24920 26260 28280 32396 35956 36764 37024 40495 40804 42016 44945 45955 46280 49840 51005 52520 56560 62923 64792 71407 71912 73528 80990 81608 89890 91910 92560 99680 102010 105040 113120 116857 125846 129584 132613 142814 143824 147056 161980 163216 179780 183820 185120 204020 210080 233714 251692 259168 265226 285628 287648 294112 314615 323960 326432 357035 359560 367640 408040 467428 503384 530452 571256 584285 629230 647920 663065 714070 719120 735280 816080 817999 907889 928291 934856 1006768 1060904 1142512 1168570 1258460 1295840 1326130 1428140 1438240 1470560 1632160 1635998 1815778 1856582 1869712 2013536 2121808 2285024 2337140 2516920 2652260 2856280 3271996 3631556 3713164 3739424 4089995 4243616 4539445 4641455 4674280 5033840 5304520 5712560 6355223 6543992 7263112 7426328 8179990 9078890 9282910 9348560 10067680 10609040 11425120 11802557 12710446 13087984 14526224 14852656 16359980 18157780 18565820 18697120 21218080 23605114 25420892 26175968 29052448 29705312 31776115 32719960 36315560 37131640 47210228 50841784 59012785 63552230 65439920 72631120 74263280 82617899 94420456 101683568 118025570 127104460 130879840 145262240 148526560 165235798 188840912 203367136 236051140 254208920 330471596 377681824 413089495 472102280 508417840 660943192 826178990 944204560 1016835680 1321886384 1652357980 1888409120 2643772768 3304715960 6609431920 13218863840
- Sum of all divisors σ(n): 39256902720
- Sum of proper divisors (its aliquot sum) s(n): 26038038880
- 13218863840 is an abundant number, because the sum of its proper divisors (26038038880) is greater than itself. Its abundance is 12819175040
Bases of 13218863840
- Binary: 11000100111110011111011010111000002
- Hexadecimal: 0x313E7DAE0
- Base-36: 62M64M8
Squares and roots of 13218863840
- 13218863840 squared (132188638402) is 174738361220459545600
- 13218863840 cubed (132188638403) is 2309842604597990955514671104000
-
The
square root of 13218863840 is 114973.3179481223 -
The
cube root of 13218863840 is 2364.4567607159
Scales and comparisons
How big is 13218863840?- 13,218,863,840 seconds is equal to 420 years, 16 weeks, 4 days, 2 hours, 37 minutes, 20 seconds.
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To count from 1 to 13,218,863,840 would take you about eight hundred forty 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 13218863840 cubic inches would be around 197 feet tall.
Recreational maths with 13218863840
- 13218863840 backwards is 04836881231
- The number of decimal digits it has is: 11
- The sum of 13218863840's digits is 44
- More coming soon!
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