30728028240
30,728,028,240 is an even composite number composed of six prime numbers multiplied together.
What does the number 30728028240 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 320 divisors.
30728028240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 30728028240:
24 × 33 × 5 × 7 × 13 × 156329
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 13 × 156329)See below for interesting mathematical facts about the number 30728028240 from the Numbermatics database.
Names of 30728028240
- Cardinal: 30728028240 can be written as Thirty billion, seven hundred twenty-eight million, twenty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 3.072802824 × 1010
Factors of 30728028240
Divisors of 30728028240
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 104 105 108 112 117 120 126 130 135 140 144 156 168 180 182 189 195 208 210 216 234 240 252 260 270 273 280 312 315 336 351 360 364 378 390 420 432 455 468 504 520 540 546 560 585 624 630 702 720 728 756 780 819 840 910 936 945 1008 1040 1080 1092 1170 1260 1365 1404 1456 1512 1560 1638 1680 1755 1820 1872 1890 2160 2184 2340 2457 2520 2730 2808 3024 3120 3276 3510 3640 3780 4095 4368 4680 4914 5040 5460 5616 6552 7020 7280 7560 8190 9360 9828 10920 12285 13104 14040 15120 16380 19656 21840 24570 28080 32760 39312 49140 65520 98280 156329 196560 312658 468987 625316 781645 937974 1094303 1250632 1406961 1563290 1875948 2032277 2188606 2344935 2501264 2813922 3126580 3282909 3751896 4064554 4220883 4377212 4689870 5471515 5627844 6096831 6253160 6565818 7034805 7503792 8129108 8441766 8754424 9379740 9848727 10161385 10943030 11255688 12193662 12506320 13131636 14069610 14225939 16258216 16414545 16883532 17508848 18290493 18759480 19697454 20322770 21104415 21886060 22511376 24387324 26263272 28139220 28451878 29546181 30484155 32516432 32829090 33767064 36580986 37518960 39394908 40645540 42208830 42677817 43772120 48774648 49243635 52526544 54871479 56278440 56903756 59092362 60968310 65658180 67534128 71129695 73161972 78789816 81291080 84417660 85355634 87544240 91452465 97549296 98487270 109742958 112556880 113807512 118184724 121936620 128033451 131316360 142259390 146323944 147730905 157579632 162582160 168835320 170711268 182904930 196974540 213389085 219485916 227615024 236369448 243873240 256066902 262632720 274357395 284518780 292647888 295461810 337670640 341422536 365809860 384100353 393949080 426778170 438971832 472738896 487746480 512133804 548714790 569037560 590923620 640167255 682845072 731619720 768200706 787898160 853556340 877943664 1024267608 1097429580 1138075120 1181847240 1280334510 1463239440 1536401412 1707112680 1920501765 2048535216 2194859160 2363694480 2560669020 3072802824 3414225360 3841003530 4389718320 5121338040 6145605648 7682007060 10242676080 15364014120 30728028240
- Sum of all divisors σ(n): 130266662400
- Sum of proper divisors (its aliquot sum) s(n): 99538634160
- 30728028240 is an abundant number, because the sum of its proper divisors (99538634160) is greater than itself. Its abundance is 68810605920
Bases of 30728028240
- Binary: 111001001111000100010000000010100002
- Hexadecimal: 0x727888050
- Base-36: E46OAC0
Squares and roots of 30728028240
- 30728028240 squared (307280282402) is 944211719518237497600
- 30728028240 cubed (307280282403) is 29013764381895361021279732224000
-
The
square root of 30728028240 is 175294.1192396367 -
The
cube root of 30728028240 is 3132.1669146669
Scales and comparisons
How big is 30728028240?- 30,728,028,240 seconds is equal to 977 years, 2 weeks, 6 days, 11 hours, 24 minutes.
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To count from 1 to 30,728,028,240 would take you about one thousand, nine hundred fifty-four 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 30728028240 cubic inches would be around 261 feet tall.
Recreational maths with 30728028240
- 30728028240 backwards is 04282082703
- 30728028240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 30728028240's digits is 36
- More coming soon!
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