28741557 is an odd 8-digits composite number following 28741556
and preceding 28741558 . In scientific notation, it is written as 2.8741557 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 17115840 positive integers (up to 28741557) that are relatively prime to 28741557.
28741557 has 16 divisors, whose sum is 42603008
The reverse of 28741557 is 75514782
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million seven hundred forty-one thousand five hundred fifty-seven
Scientific notation
2.8741557 × 10^7
Engineering notation
2.8741557 × 10^6
Prime Factorization
13 × 3 × 31 × 23773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28741557
Product of the distinct prime numbers
The prime factorization of 28741557 is 13 × 3 × 31 × 23773.
Since it has a total of 4 prime factors.
8 , 5 , 80 , 74 , 141 , 775 , 1624 , 8385 , 13858 , 68018 , 242845 , 104113 , 9601424 , 1022080 , 42607582 , 44816638 , 235439896 , 562966010 , 8596896539 , 5834782870
n×2
57483114
n×3
86224671
n×4
114966228
n×5
143707785
n÷2
14370778.5
n÷3
9580519
n÷3
7185389.25
n÷5
5748311.4
n2
826077098784249
n3
2.3742742021102E+22
n4
6.824033731358E+29
n5
1.9613335445975E+37
2 √n
5361.1152757612
3 √n
306.31629263208
4 √n
73.219637227736
5 √n
31.024304781345
1 , 3 , 13 , 31 , 39 , 93 , 403 , 1209 , 23773 , 71319 , 309049 , 736963 , 927147 , 2210889 , 9580519 , 28741557
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28741556
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28741557 can be divided by 16 positive divisors.
The sum of these divisors (counting 28741557) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101000111110110101
3
Ternary
2000002020000010
4
Quaternary
1231220332311
5
Quinary
24324212212
6
Senary
2504010433
8
Octal
155507665
10
Decimal
28741557
12
Duodecimal
9760a19
16
Hexadecimal
1b68fb5
20
Vigesimal
8jcdhh
36
Base36
h414l
md5
87f781c089068fdcdfd839850f9367f1
sha1
05d2155ce7bce14da1d19865ac6ae474e36f0c1a
sha256
0bf96be41d7cf0e6a6bb3bf2ebaed9f47dad6460e29f08f153fb5c5f31e4477e
sha512
b4feb46e12024d639ff8ac902ad4c2fdde7e1e41d5a71be1fe98ad2b55eb63d80d154a8e455a6dfd40bd3f9d9c987f2c04b254c78c68798dd1b8a919a31affba
ripemd-160
f14284d0662ce42b79cb3e79d22c1273c43483db
Diameter
57483114
Circumference
180588528.64786
Area
2.5951977448394E+15
Volume
9.9453365212763E+22
Surface area
1.0380790979357E+16
Circumference
180588528.64786
Perimeter
114966228
Area
826077098784249
Diagonal
40646699.713119
Surface area
4956462592705494
Volume
2.3742742021102E+22
Space diagonal
49781837.012637
Perimeter
86224671
Area
3.5770187651585E+14
Altitude
24890918.506318
Surface area
3.5770187651585E+14
Volume
2.7981089811807E+21
Height
13548899.904373