28215679320
28,215,679,320 is an even composite number composed of six prime numbers multiplied together.
What does the number 28215679320 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 320 divisors.
28215679320 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 28215679320:
23 × 34 × 5 × 61 × 367 × 389
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 61 × 367 × 389)See below for interesting mathematical facts about the number 28215679320 from the Numbermatics database.
Names of 28215679320
- Cardinal: 28215679320 can be written as Twenty-eight billion, two hundred fifteen million, six hundred seventy-nine thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.821567932 × 1010
Factors of 28215679320
Divisors of 28215679320
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 61 72 81 90 108 120 122 135 162 180 183 216 244 270 305 324 360 366 367 389 405 488 540 549 610 648 732 734 778 810 915 1080 1098 1101 1167 1220 1464 1468 1556 1620 1647 1830 1835 1945 2196 2202 2334 2440 2745 2936 3112 3240 3294 3303 3501 3660 3670 3890 4392 4404 4668 4941 5490 5505 5835 6588 6606 7002 7320 7340 7780 8235 8808 9336 9882 9909 10503 10980 11010 11670 13176 13212 14004 14680 15560 16470 16515 17505 19764 19818 21006 21960 22020 22387 23340 23729 24705 26424 28008 29727 31509 32940 33030 35010 39528 39636 42012 44040 44774 46680 47458 49410 49545 52515 59454 63018 65880 66060 67161 70020 71187 79272 84024 89548 94916 98820 99090 105030 111935 118645 118908 126036 132120 134322 140040 142374 142763 148635 157545 179096 189832 197640 198180 201483 210060 213561 223870 237290 237816 252072 268644 284748 285526 297270 315090 335805 355935 396360 402966 420120 427122 428289 447740 474580 537288 569496 571052 594540 604449 630180 640683 671610 711870 713815 805932 854244 856578 895480 949160 1007415 1067805 1142104 1189080 1208898 1260360 1281366 1284867 1343220 1423740 1427630 1611864 1708488 1713156 1813347 1922049 2014830 2135610 2141445 2417796 2562732 2569734 2686440 2847480 2855260 3022245 3203415 3426312 3626694 3844098 3854601 4029660 4271220 4282890 4835592 5125464 5139468 5710520 6044490 6406830 6424335 7253388 7688196 7709202 8059320 8542440 8565780 8708543 9066735 9610245 10278936 11563803 12088980 12813660 12848670 14506776 15376392 15418404 17131560 17417086 18133470 19220490 19273005 23127606 24177960 25627320 25697340 26125629 30836808 34834172 36266940 38440980 38546010 43542715 46255212 51394680 52251258 57819015 69668344 72533880 76881960 77092020 78376887 87085430 92510424 104502516 115638030 130628145 154184040 156753774 174170860 209005032 231276060 235130661 261256290 313507548 348341720 391884435 462552120 470261322 522512580 627015096 705391983 783768870 940522644 1045025160 1175653305 1410783966 1567537740 1881045288 2351306610 2821567932 3135075480 3526959915 4702613220 5643135864 7053919830 9405226440 14107839660 28215679320
- Sum of all divisors σ(n): 96901833600
- Sum of proper divisors (its aliquot sum) s(n): 68686154280
- 28215679320 is an abundant number, because the sum of its proper divisors (68686154280) is greater than itself. Its abundance is 40470474960
Bases of 28215679320
- Binary: 110100100011100100100011001010110002
- Hexadecimal: 0x691C91958
- Base-36: CYMVXI0
Squares and roots of 28215679320
- 28215679320 squared (282156793202) is 796124559489075662400
- 28215679320 cubed (282156793203) is 22463195269320021933494981568000
-
The
square root of 28215679320 is 167975.2342460043 -
The
cube root of 28215679320 is 3044.3658171137
Scales and comparisons
How big is 28215679320?- 28,215,679,320 seconds is equal to 897 years, 8 weeks, 6 days, 8 hours, 42 minutes.
-
To count from 1 to 28,215,679,320 would take you about one thousand, seven hundred ninety-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 28215679320 cubic inches would be around 253.7 feet tall.
Recreational maths with 28215679320
- 28215679320 backwards is 02397651282
- 28215679320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28215679320's digits is 45
- More coming soon!
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