28741640 is an even 8-digits composite number following 28741639
and preceding 28741641 . In scientific notation, it is written as 2.8741640 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 11496640 positive integers (up to 28741640) that are relatively prime to 28741640.
28741640 has 16 divisors, whose sum is 64668780
The reverse of 28741640 is 04614782
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million seven hundred forty-one thousand six hundred forty
Scientific notation
2.8741640 × 10^7
Engineering notation
2.8741640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 718541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7185410
Product of the distinct prime numbers
The prime factorization of 28741640 is 2 × 2 × 2 × 5 × 718541.
Since it has a total of 5 prime factors.
5 , 3 , 67 , 37 , 787 , 688 , 8476 , 4624 , 53178 , 78214 , 508725 , 895756 , 3512617 , 7545609 , 8519691 , 10513776 , 767615524 , 243284801 , 6923952311 , 5359149421
n×2
57483280
n×3
86224920
n×4
114966560
n×5
143708200
n÷2
14370820
n÷3
9580546.6666667
n÷3
7185410
n÷5
5748328
n2
826081869889600
n3
2.3742947714894E+22
n4
6.824112557603E+29
n5
1.961361864501E+37
2 √n
5361.1230166822
3 √n
306.31658749233
4 √n
73.219690088679
5 √n
31.02432269975
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 718541 , 1437082 , 2874164 , 3592705 , 5748328 , 7185410 , 14370820 , 28741640
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
-28741639
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 28741640 can be divided by 16 positive divisors.
The sum of these divisors (counting 28741640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101101001000000001000
3
Ternary
2000002020010012
4
Quaternary
1231221000020
5
Quinary
24324213030
6
Senary
2504011052
8
Octal
155510010
10
Decimal
28741640
12
Duodecimal
9760a88
16
Hexadecimal
1b69008
20
Vigesimal
8jce20
36
Base36
h416w
md5
3e6dc173a43bc7a63e3c873afc2a038a
sha1
d194d680e7b3a88234cc3610cbe11ba0d8700ae2
sha256
f0ebc36e31c420287c1be7b5e3cfb486818f52759f743d65c46e07cf9ea8a90b
sha512
899093f83f41cf54f255f8682bf8c367daeb45fbc47183bc1deb3e43c9770aaa031d71805c69a36bb317709fd3e5b0a0c8bf406b48ca3c6310b2941727270930
ripemd-160
a2ee1c419496eec699119865f0bb87cc2bda4b3a
Diameter
57483280
Circumference
180589050.15225
Area
2.5952127337089E+15
Volume
9.9454226820902E+22
Surface area
1.0380850934836E+16
Circumference
180589050.15225
Perimeter
114966560
Area
826081869889600
Diagonal
40646817.092845
Surface area
4956491219337600
Volume
2.3742947714894E+22
Space diagonal
49781980.772854
Perimeter
86224920
Area
3.5770394246507E+14
Altitude
24890990.386427
Surface area
3.5770394246507E+14
Volume
2.7981332224265E+21
Height
13548939.030948