21729271680
21,729,271,680 is an even composite number composed of six prime numbers multiplied together.
21729271680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21729271680:
27 × 33 × 5 × 71 × 89 × 199
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 71 × 89 × 199)See below for interesting mathematical facts about the number 21729271680 from the Numbermatics database.
Names of 21729271680
- Cardinal: 21729271680 can be written as Twenty-one billion, seven hundred twenty-nine million, two hundred seventy-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.172927168 × 1010
Factors of 21729271680
Divisors of 21729271680
- Number of divisors d(n): 512
-
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 71 72 80 89 90 96 108 120 128 135 142 144 160 178 180 192 199 213 216 240 267 270 284 288 320 355 356 360 384 398 426 432 445 480 534 540 568 576 597 639 640 710 712 720 796 801 852 864 890 960 995 1065 1068 1080 1136 1152 1194 1278 1335 1420 1424 1440 1592 1602 1704 1728 1780 1791 1917 1920 1990 2130 2136 2160 2272 2388 2403 2556 2670 2840 2848 2880 2985 3184 3195 3204 3408 3456 3560 3582 3834 3980 4005 4260 4272 4320 4544 4776 4806 5112 5340 5373 5680 5696 5760 5970 6319 6368 6390 6408 6816 7120 7164 7668 7960 8010 8520 8544 8640 8955 9088 9552 9585 9612 10224 10680 10746 11360 11392 11940 12015 12638 12736 12780 12816 13632 14129 14240 14328 15336 15920 16020 17040 17088 17280 17711 17910 18957 19104 19170 19224 20448 21360 21492 22720 23880 24030 25276 25472 25560 25632 26865 27264 28258 28480 28656 30672 31595 31840 32040 34080 34176 35422 35820 37914 38208 38340 38448 40896 42387 42720 42984 45440 47760 48060 50552 51120 51264 53133 53730 56516 56871 56960 57312 61344 63190 63680 64080 68160 70645 70844 71640 75828 76416 76680 76896 81792 84774 85440 85968 88555 94785 95520 96120 101104 102240 102528 106266 107460 113032 113742 114624 122688 126380 127161 127360 128160 136320 141290 141688 143280 151656 153360 153792 159399 169548 170613 170880 171936 177110 189570 191040 192240 202208 204480 211935 212532 214920 226064 227484 229248 245376 252760 254322 256320 265665 282580 283376 284355 286560 303312 306720 307584 318798 339096 341226 343872 354220 379140 381483 382080 384480 404416 408960 423870 425064 429840 452128 454968 478197 505520 508644 512640 531330 565160 566752 568710 573120 606624 613440 635805 637596 678192 682452 687744 708440 758280 762966 768960 796995 808832 847740 850128 853065 859680 904256 909936 956394 1011040 1017288 1062660 1130320 1133504 1137420 1146240 1213248 1226880 1257481 1271610 1275192 1356384 1364904 1416880 1516560 1525932 1537920 1593990 1695480 1700256 1706130 1719360 1808512 1819872 1907415 1912788 2022080 2034576 2125320 2260640 2267008 2274840 2390985 2426496 2514962 2543220 2550384 2712768 2729808 2833760 3033120 3051864 3187980 3390960 3400512 3412260 3438720 3639744 3772443 3814830 3825576 4044160 4069152 4250640 4521280 4549680 4781970 5029924 5086440 5100768 5425536 5459616 5667520 6066240 6103728 6287405 6375960 6781920 6801024 6824520 7279488 7544886 7629660 7651152 8138304 8501280 9042560 9099360 9563940 10059848 10172880 10201536 10919232 11317329 11335040 12132480 12207456 12574810 12751920 13563840 13649040 15089772 15259320 15302304 16276608 17002560 18198720 18862215 19127880 20119696 20345760 20403072 21838464 22634658 24414912 25149620 25503840 27127680 27298080 30179544 30518640 30604608 33951987 34005120 36397440 37724430 38255760 40239392 40691520 45269316 48829824 50299240 51007680 54596160 56586645 60359088 61037280 61209216 67903974 75448860 76511520 80478784 81383040 90538632 100598480 102015360 109192320 113173290 120718176 122074560 135807948 150897720 153023040 160957568 169759935 181077264 201196960 226346580 241436352 244149120 271615896 301795440 306046080 339519870 362154528 402393920 452693160 482872704 543231792 603590880 679039740 724309056 804787840 905386320 1086463584 1207181760 1358079480 1448618112 1810772640 2172927168 2414363520 2716158960 3621545280 4345854336 5432317920 7243090560 10864635840 21729271680
- Sum of all divisors σ(n): 79315200000
- Sum of proper divisors (its aliquot sum) s(n): 57585928320
- 21729271680 is an abundant number, because the sum of its proper divisors (57585928320) is greater than itself. Its abundance is 35856656640
Bases of 21729271680
- Binary: 101000011110010101001011111100000002
- Hexadecimal: 0x50F2A5F80
- Base-36: 9ZD1PC0
Squares and roots of 21729271680
- 21729271680 squared (217292716802) is 472161247743250022400
- 21729271680 cubed (217292716803) is 10259720028980866622895685632000
-
The
square root of 21729271680 is 147408.5196995071 -
The
cube root of 21729271680 is 2790.4980495999
Scales and comparisons
How big is 21729271680?- 21,729,271,680 seconds is equal to 690 years, 48 weeks, 4 hours, 48 minutes.
-
To count from 1 to 21,729,271,680 would take you about one thousand, three 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 21729271680 cubic inches would be around 232.5 feet tall.
Recreational maths with 21729271680
- 21729271680 backwards is 08617292712
- 21729271680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21729271680's digits is 45
- More coming soon!
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