81368051 is an odd 8-digits composite number following 81368050
and preceding 81368052 . In scientific notation, it is written as 8.1368051 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 76744800 positive integers (up to 81368051) that are relatively prime to 81368051.
81368051 has 8 divisors, whose sum is 86029200
The reverse of 81368051 is 15086318
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million three hundred sixty-eight thousand fifty-one
Scientific notation
8.1368051 × 10^7
Engineering notation
8.1368051 × 10^6
Prime Factorization
19 × 229 × 18701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81368051
Product of the distinct prime numbers
The prime factorization of 81368051 is 19 × 229 × 18701.
Since it has a total of 3 prime factors.
4 , 3 , 89 , 38 , 27 , 964 , 7589 , 8433 , 31850 , 37157 , 61738 , 266316 , 9824427 , 4115546 , 52475244 , 73798809 , 956732415 , 67113621 , 6290237431 , 4555711563
n×2
162736102
n×3
244104153
n×4
325472204
n×5
406840255
n÷2
40684025.5
n÷3
27122683.666667
n÷3
20342012.75
n÷5
16273610.2
n2
6620759723538601
n3
5.3871831484363E+23
n4
4.3834459316831E+31
n5
3.5667245212493E+39
2 √n
9020.4241031118
3 √n
433.3292160687
4 √n
94.97591327864
5 √n
38.20241188667
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81368050
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81368051 can be divided by 8 positive divisors.
The sum of these divisors (counting 81368051) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110011001001111110011
3
Ternary
12200002220222112
4
Quaternary
10312121033303
5
Quinary
131312234201
6
Senary
12023555535
8
Octal
466311763
10
Decimal
81368051
12
Duodecimal
232bbbab
16
Hexadecimal
4d993f3
20
Vigesimal
158b02b
36
Base36
1cfzzn
md5
6780632202c40840fb8589c6f5fd96c5
sha1
be9b542a8558a8ae3d6694ba3485d72893c1dd46
sha256
89f42297523d543add762440446b915db60439b0fd9382e30487bddd8e5e1614
sha512
44d1977e5b2fffe5bd4278e38cb2638aaa29e460839a5ca5b9c4cbc5b01246409bdad914eaf99e2693d262bb26c0836f3ee8fd1b9d323071c62255a8c7ba2b62
ripemd-160
c819dcf8a7dcc86a5e8d6dd761fe17fbf66ae10d
Diameter
162736102
Circumference
511250542.51704
Area
2.0799730108652E+16
Volume
2.256578000356E+24
Surface area
8.3198920434608E+16
Circumference
511250542.51704
Perimeter
325472204
Area
6620759723538601
Diagonal
115071801.26807
Surface area
39724558341231606
Volume
5.3871831484363E+23
Space diagonal
140933598.44486
Perimeter
244104153
Area
2.8668730564686E+15
Altitude
70466799.222428
Surface area
2.8668730564686E+15
Volume
6.3488562262554E+22
Height
38357267.089355