81635650 is an even 8-digits composite number following 81635649
and preceding 81635651 . In scientific notation, it is written as 8.1635650 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors.
There are 32346960 positive integers (up to 81635650) that are relatively prime to 81635650.
81635650 has 24 divisors, whose sum is 153271440
The reverse of 81635650 is 05653618
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million six hundred thirty-five thousand six hundred fifty
Scientific notation
8.1635650 × 10^7
Engineering notation
8.1635650 × 10^6
Prime Factorization
2 × 5 × 5 × 107 × 15259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16327130
Product of the distinct prime numbers
The prime factorization of 81635650 is 2 × 5 × 5 × 107 × 15259.
Since it has a total of 5 prime factors.
4 , 9 , 9 , 7 , 50 , 202 , 3140 , 919 , 69749 , 81006 , 240222 , 380252 , 1160972 , 2156680 , 88070438 , 42158819 , 564827803 , 77038945 , 5944360293 , 5996853474
n×2
163271300
n×3
244906950
n×4
326542600
n×5
408178250
n÷2
40817825
n÷3
27211883.333333
n÷3
20408912.5
n÷5
16327130
n2
6664379350922500
n3
5.4405094015914E+23
n4
4.4413952133002E+31
n5
3.6257618514465E+39
2 √n
9035.2448776998
3 √n
433.80373309692
4 √n
95.053905115465
5 √n
38.227506516114
1 , 2 , 5 , 10 , 25 , 50 , 107 , 214 , 535 , 1070 , 2675 , 5350 , 15259 , 30518 , 76295 , 152590 , 381475 , 762950 , 1632713 , 3265426 , 8163565 , 16327130 , 40817825 , 81635650
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81635649
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81635650 can be divided by 24 positive divisors.
The sum of these divisors (counting 81635650) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110111011010100101000010
3
Ternary
12200121112001121
4
Quaternary
10313122211002
5
Quinary
131344320100
6
Senary
12033422454
8
Octal
467324502
10
Decimal
81635650
12
Duodecimal
2340aa2a
16
Hexadecimal
4dda942
20
Vigesimal
15a492a
36
Base36
1clqgy
md5
78f8d0b5f47a2f26f8562f1814275c9c
sha1
729d3c443f31a8d581796df89ceaf0d58d9aae4f
sha256
34d7bc974e9e5256b282dba1477181c18635ce446a8867204bf5e8e6babd9e74
sha512
6d7cd8462428f690532b9fc756cef1ae940ece65613043e7950b78570d5ec929fff5a4cf69519c1dc103cd4720b25da4509d96f9d57dd4728c3d9820b9ba5fd9
ripemd-160
90d584ee4b8f3a4e5e043de9551243ee9f4f7c15
Diameter
163271300
Circumference
512931916.62206
Area
2.0936765209594E+16
Volume
2.2789152490434E+24
Surface area
8.3747060838375E+16
Circumference
512931916.62206
Perimeter
326542600
Area
6664379350922500
Diagonal
115450243.40314
Surface area
39986276105535000
Volume
5.4405094015914E+23
Space diagonal
141397093.50891
Perimeter
244906950
Area
2.8857609091777E+15
Altitude
70698546.754455
Surface area
2.8857609091777E+15
Volume
6.4117018182907E+22
Height
38483414.467714