81245167 is an odd 8-digits prime number following 81245166
and preceding 81245168 . In scientific notation, it is written as 8.1245167 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 81245166 positive integers (up to 81245167) that are relatively prime to 81245167.
81245167 has 2 divisors, whose sum is 81245168
The reverse of 81245167 is 76154218
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million two hundred forty-five thousand one hundred sixty-seven
Scientific notation
8.1245167 × 10^7
Engineering notation
8.1245167 × 10^6
Prime Factorization
81245167
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81245167
Product of the distinct prime numbers
The prime factorization of 81245167 is 81245167.
Since it has a total of 1 prime factors.
5 , 5 , 97 , 34 , 273 , 920 , 9209 , 7253 , 39474 , 68957 , 166927 , 66904 , 656568 , 3373032 , 86661524 , 53539835 , 930963749 , 949351280 , 2134549009 , 2337978391
n×2
162490334
n×3
243735501
n×4
324980668
n×5
406225835
n÷2
40622583.5
n÷3
27081722.333333
n÷3
20311291.75
n÷5
16249033.4
n2
6600777160857889
n3
5.3628124276369E+23
n4
4.3570259127303E+31
n5
3.539872979031E+39
2 √n
9013.6100980684
3 √n
433.11096473895
4 √n
94.940034221968
5 √n
38.19086606844
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81245168
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40622584
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9013.61015354
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753832
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81245167 can be divided by 2 positive divisors.
The sum of these divisors (counting 81245167) is 81245168, the average is 40622584.
Base
System
Value
2
Binary
100110101111011001111101111
3
Ternary
12122212200102021
4
Quaternary
10311323033233
5
Quinary
131244321132
6
Senary
12021211011
8
Octal
465731757
10
Decimal
81245167
12
Duodecimal
23260a67
16
Hexadecimal
4d7b3ef
20
Vigesimal
157fci7
36
Base36
1cdd67
md5
73a7d9b1deff7b994973e913101a764f
sha1
107b126dd433eeae0465523ec7118a60a66809ec
sha256
eb47d629189ec8c01b81213f9f54e5afa1e93ff9b59353e618e50e58c70e43d3
sha512
b6bea91d74f636fab0d2ba300323c03db8a55c12d65c05c89c85ce0da99438656c0c21b0f0f83a0450376b03a8838ce4f15dc248f5735d1571e39d1c435fb677
ripemd-160
6eaa2d50a34accf2fa00e3b1c6832425dd6d11d7
Diameter
162490334
Circumference
510478439.57375
Area
2.0736953036534E+16
Volume
2.2463696166992E+24
Surface area
8.2947812146138E+16
Circumference
510478439.57375
Perimeter
324980668
Area
6600777160857889
Diagonal
114898017.04867
Surface area
39604662965147334
Volume
5.3628124276369E+23
Space diagonal
140720757.11342
Perimeter
243735501
Area
2.8582203530115E+15
Altitude
70360378.556709
Surface area
2.8582203530115E+15
Volume
6.3201350563558E+22
Height
38299339.016222