28693847 is an odd 8-digits composite number following 28693846
and preceding 28693848 . In scientific notation, it is written as 2.8693847 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 32 positive divisors.
There are 21490560 positive integers (up to 28693847) that are relatively prime to 28693847.
28693847 has 32 divisors, whose sum is 37255680
The reverse of 28693847 is 74839682
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million six hundred ninety-three thousand eight hundred forty-seven
Scientific notation
2.8693847 × 10^7
Engineering notation
2.8693847 × 10^6
Prime Factorization
7 × 13 × 29 × 83 × 131
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28693847
Product of the distinct prime numbers
The prime factorization of 28693847 is 7 × 13 × 29 × 83 × 131.
Since it has a total of 5 prime factors.
2 , 4 , 47 , 20 , 933 , 136 , 1035 , 6496 , 64053 , 42377 , 396892 , 71735 , 9340158 , 4583254 , 70908137 , 5598149 , 187246588 , 534883329 , 2619134531 , 8015027967
n×2
57387694
n×3
86081541
n×4
114775388
n×5
143469235
n÷2
14346923.5
n÷3
9564615.6666667
n÷3
7173461.75
n÷5
5738769.4
n2
823336855659409
n3
2.3624701765752E+22
n4
6.7788357788712E+29
n5
1.9451087667706E+37
2 √n
5356.6637938179
3 √n
306.14670724477
4 √n
73.189232772437
5 √n
31.013998078939
1 , 7 , 13 , 29 , 83 , 91 , 131 , 203 , 377 , 581 , 917 , 1079 , 1703 , 2407 , 2639 , 3799 , 7553 , 10873 , 11921 , 16849 , 26593 , 31291 , 49387 , 76111 , 141349 , 219037 , 315317 , 345709 , 989443 , 2207219 , 4099121 , 28693847
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28693846
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28693847 can be divided by 32 positive divisors.
The sum of these divisors (counting 28693847) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101011101010101010111
3
Ternary
1222222210120002
4
Quaternary
1231131111113
5
Quinary
24321200342
6
Senary
2503001515
8
Octal
155352527
10
Decimal
28693847
12
Duodecimal
973929b
16
Hexadecimal
1b5d557
20
Vigesimal
8j6ec7
36
Base36
h30bb
md5
4b3c562030f1bafaa30f2532c7f73b28
sha1
a8da1b5ff298d5d7c99e7cd579971288f6ad8c30
sha256
5b1d81747d84398a0cab3436c64b7e74b0853d4fff079a0e6ab87faa898cccc5
sha512
2fac16b6d171914e9679fc6863cbd29a8d0a3dacb420bdf79dedc4c1ea18c202af0868c36d7900b472c550c794eeb0f447ee08c5274918ec4fb86962114e00c4
ripemd-160
77e4f092a8c68ba4ee5f25f598ca128ab9d27230
Diameter
57387694
Circumference
180288757.87686
Area
2.5865890171693E+15
Volume
9.8958919347382E+22
Surface area
1.0346356068677E+16
Circumference
180288757.87686
Perimeter
114775388
Area
823336855659409
Diagonal
40579227.584059
Surface area
4940021133956454
Volume
2.3624701765752E+22
Space diagonal
49699200.868608
Perimeter
86081541
Area
3.5651531643652E+14
Altitude
24849600.434304
Surface area
3.5651531643652E+14
Volume
2.7841978036789E+21
Height
13526409.194686