81162007 is an odd 8-digits prime number following 81162006
and preceding 81162008 . In scientific notation, it is written as 8.1162007 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 81162006 positive integers (up to 81162007) that are relatively prime to 81162007.
81162007 has 2 divisors, whose sum is 81162008
The reverse of 81162007 is 70026118
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million one hundred sixty-two thousand seven
Scientific notation
8.1162007 × 10^7
Engineering notation
8.1162007 × 10^6
Prime Factorization
81162007
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81162007
Product of the distinct prime numbers
The prime factorization of 81162007 is 81162007.
Since it has a total of 1 prime factors.
7 , 5 , 62 , 12 , 271 , 556 , 9245 , 7922 , 52121 , 35457 , 538894 , 77559 , 9831524 , 8191635 , 98790581 , 84691212 , 629011256 , 89703434 , 319808281 , 5283382741
n×2
162324014
n×3
243486021
n×4
324648028
n×5
405810035
n÷2
40581003.5
n÷3
27054002.333333
n÷3
20290501.75
n÷5
16232401.4
n2
6587271380268049
n3
5.3463616587622E+23
n4
4.3392144237299E+31
n5
3.5217935143326E+39
2 √n
9008.995892995
3 √n
432.96314136702
4 √n
94.915730482333
5 √n
38.1830446714
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81162008
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40581004
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9008.995948495
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753579
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81162007 can be divided by 2 positive divisors.
The sum of these divisors (counting 81162007) is 81162008, the average is 40581004.
Base
System
Value
2
Binary
100110101100110111100010111
3
Ternary
12122201110100021
4
Quaternary
10311212330113
5
Quinary
131234141012
6
Senary
12015330011
8
Octal
465467427
10
Decimal
81162007
12
Duodecimal
23220907
16
Hexadecimal
4d66f17
20
Vigesimal
1575507
36
Base36
1cbl07
md5
5bf26c15694eadd0226b5139ac73c2f8
sha1
73e6bc4e1cddc8f5c84da6ad420eb7cc3cb888b3
sha256
1e1266c2ab691c8fd7e7e5a0413bf58506ed996a2c35884fea4d8d4b167d9e7c
sha512
5f685c2fb0807c88959e1a22e3cf51b4f40c845f46b98ae328c6f4276ece57d57c855562cd949b700d0b7cb5371ca55fd2a0704078f8aed2c00a590a45faa264
ripemd-160
86819eabdb14a054625ec79034766acfc8bf9a38
Diameter
162324014
Circumference
509955929.88361
Area
2.0694523375452E+16
Volume
2.2394787347468E+24
Surface area
8.277809350181E+16
Circumference
509955929.88361
Perimeter
324648028
Area
6587271380268049
Diagonal
114780411.04882
Surface area
39523628281608294
Volume
5.3463616587622E+23
Space diagonal
140576719.76826
Perimeter
243486021
Area
2.8523721784672E+15
Altitude
70288359.88413
Surface area
2.8523721784672E+15
Volume
6.3007476393108E+22
Height
38260137.016273