81363907 is an odd 8-digits prime number following 81363906
and preceding 81363908 . In scientific notation, it is written as 8.1363907 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 81363906 positive integers (up to 81363907) that are relatively prime to 81363907.
81363907 has 2 divisors, whose sum is 81363908
The reverse of 81363907 is 70936318
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million three hundred sixty-three thousand nine hundred seven
Scientific notation
8.1363907 × 10^7
Engineering notation
8.1363907 × 10^6
Prime Factorization
81363907
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81363907
Product of the distinct prime numbers
The prime factorization of 81363907 is 81363907.
Since it has a total of 1 prime factors.
1 , 8 , 36 , 12 , 517 , 21 , 3336 , 94 , 4815 , 43048 , 104851 , 41523 , 4868327 , 9488829 , 82753686 , 46871297 , 139070585 , 227340294 , 9754842349 , 598982218
n×2
162727814
n×3
244091721
n×4
325455628
n×5
406819535
n÷2
40681953.5
n÷3
27121302.333333
n÷3
20340976.75
n÷5
16272781.4
n2
6620085362304649
n3
5.3863600975062E+23
n4
4.38255302042E+31
n5
3.5658163637602E+39
2 √n
9020.1943992355
3 √n
433.32185959101
4 √n
94.974703996567
5 √n
38.202022756002
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81363908
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40681954
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9020.1944546667
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999754191
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81363907 can be divided by 2 positive divisors.
The sum of these divisors (counting 81363907) is 81363908, the average is 40681954.
Base
System
Value
2
Binary
100110110011000001111000011
3
Ternary
12200002201022001
4
Quaternary
10312120033003
5
Quinary
131312121112
6
Senary
12023524431
8
Octal
466301703
10
Decimal
81363907
12
Duodecimal
232b9717
16
Hexadecimal
4d983c3
20
Vigesimal
158a9f7
36
Base36
1cfwsj
md5
eabc5bb7e49d885f465c121ca5a472d5
sha1
9b2a237bcb31d2719fc78b307e3c54589d8c6b64
sha256
27979307696f88f3cc98b29b2535d0f53099d3e9224ad1c04147be8e0bebcff7
sha512
82ff7a14a1d72e3b15385fd91a2e6b30cc4914102e8a33fa99c4d6c175feeb79d651149f2e6617936b58ba63b12688e58dddf29d6becfb854400802f7c4ab000
ripemd-160
64ec99e171bbb9a0c4f2065a9093e0f6841c6859
Diameter
162727814
Circumference
511224504.99713
Area
2.0797611540354E+16
Volume
2.2562332415886E+24
Surface area
8.3190446161414E+16
Circumference
511224504.99713
Perimeter
325455628
Area
6620085362304649
Diagonal
115065940.76706
Surface area
39720512173827894
Volume
5.3863600975062E+23
Space diagonal
140926420.82631
Perimeter
244091721
Area
2.8665810494887E+15
Altitude
70463210.413155
Surface area
2.8665810494887E+15
Volume
6.3478862514321E+22
Height
38355313.589021