81122914 is an even 8-digits composite number following 81122913
and preceding 81122915 . In scientific notation, it is written as 8.1122914 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 40548720 positive integers (up to 81122914) that are relatively prime to 81122914.
81122914 has 8 divisors, whose sum is 121722588
The reverse of 81122914 is 41922118
Previous prime number is 6421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred twenty-two thousand nine hundred fourteen
Scientific notation
8.1122914 × 10^7
Engineering notation
8.1122914 × 10^6
Prime Factorization
2 × 6421 × 6317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81122914
Product of the distinct prime numbers
The prime factorization of 81122914 is 2 × 6421 × 6317.
Since it has a total of 3 prime factors.
6 , 2 , 23 , 53 , 567 , 810 , 1909 , 713 , 44854 , 83261 , 66414 , 789415 , 5436381 , 7224999 , 39634433 , 25146067 , 316344456 , 222502821 , 4130708823 , 4018395814
n×2
162245828
n×3
243368742
n×4
324491656
n×5
405614570
n÷2
40561457
n÷3
27040971.333333
n÷3
20280728.5
n÷5
16224582.8
n2
6580927175851396
n3
5.3386398932686E+23
n4
4.3308602493859E+31
n5
3.5133200355695E+39
2 √n
9006.8259670097
3 √n
432.89361562473
4 √n
94.904298991193
5 √n
38.179365665681
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
-81122913
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 81122914 can be divided by 8 positive divisors.
The sum of these divisors (counting 81122914) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101011001100010
3
Ternary
12122122110201101
4
Quaternary
10311131121202
5
Quinary
131231413124
6
Senary
12014425014
8
Octal
465353142
10
Decimal
81122914
12
Duodecimal
2320216a
16
Hexadecimal
4d5d662
20
Vigesimal
157075e
36
Base36
1caqua
md5
45e2457fee8812f1abd164f9979ae90b
sha1
6245008c18654603441c2522a5ecb028c2e37ba6
sha256
06edec6f4aaab6a905c9afaa98a4e46d702e697e06a0adac1316f86f76acd2da
sha512
7844fc914939054f1ddab2cc25630bcf11a0754c112af594d871374a112a60d7549060766eae81f82dccee42fe8d7001dd3e019679fe2a69699c2260de953a6f
ripemd-160
7ffdd5ffb59a7b886cd9cd18f583702bbd0106d2
Diameter
162245828
Circumference
509710301.32039
Area
2.0674592469464E+16
Volume
2.2362442491805E+24
Surface area
8.2698369877857E+16
Circumference
509710301.32039
Perimeter
324491656
Area
6580927175851396
Diagonal
114725125.19803
Surface area
39485563055108376
Volume
5.3386398932686E+23
Space diagonal
140509008.70604
Perimeter
243368742
Area
2.8496250573713E+15
Altitude
70254504.35302
Surface area
2.8496250573713E+15
Volume
6.2916474514054E+22
Height
38241708.399342