81122941 is an odd 8-digits prime number following 81122940
and preceding 81122942 . In scientific notation, it is written as 8.1122941 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 81122940 positive integers (up to 81122941) that are relatively prime to 81122941.
81122941 has 2 divisors, whose sum is 81122942
The reverse of 81122941 is 14922118
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred twenty-two thousand nine hundred forty-one
Scientific notation
8.1122941 × 10^7
Engineering notation
8.1122941 × 10^6
Prime Factorization
81122941
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
81122941
Product of the distinct prime numbers
The prime factorization of 81122941 is 81122941.
Since it has a total of 1 prime factors.
3 , 7 , 19 , 46 , 381 , 332 , 5526 , 955 , 2731 , 62016 , 761698 , 541644 , 1757211 , 225583 , 97714543 , 86922771 , 540854392 , 918090770 , 6308124400 , 690316676
n×2
162245882
n×3
243368823
n×4
324491764
n×5
405614705
n÷2
40561470.5
n÷3
27040980.333333
n÷3
20280735.25
n÷5
16224588.2
n2
6580931556489481
n3
5.3386452238213E+23
n4
4.3308660151199E+31
n5
3.5133258822348E+39
2 √n
9006.8274658728
3 √n
432.89366365114
4 √n
94.9043068879
5 √n
38.179368207115
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
81122942
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
40561471
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
9006.8275213862
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999753461
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81122941 can be divided by 2 positive divisors.
The sum of these divisors (counting 81122941) is 81122942, the average is 40561471.
Base
System
Value
2
Binary
100110101011101011001111101
3
Ternary
12122122110202101
4
Quaternary
10311131121331
5
Quinary
131231413231
6
Senary
12014425101
8
Octal
465353175
10
Decimal
81122941
12
Duodecimal
23202191
16
Hexadecimal
4d5d67d
20
Vigesimal
1570771
36
Base36
1caqv1
md5
6897aa65d169ace14fcc3aec51f776a1
sha1
e45573eb56608a053f861f66006a14353d527182
sha256
9fec7528f17dd1f6805323d25e52cb7e40aadeda342af28024c99b0909de2bba
sha512
cbe3ca8a4a06ac69492504ed004d76b0b07bae15f9f07b41966859b7c4882301ecf4fbd395e545f1c6e1b2c8cde58b9b88dd5f248d789cc76cfa6f5d533ae21a
ripemd-160
9951dd00ed95a8bc6e59715bf1696667a671c9c2
Diameter
162245882
Circumference
509710470.9664
Area
2.0674606231645E+16
Volume
2.2362464820372E+24
Surface area
8.2698424926578E+16
Circumference
509710470.9664
Perimeter
324491764
Area
6580931556489481
Diagonal
114725163.38179
Surface area
39485589338936886
Volume
5.3386452238213E+23
Space diagonal
140509055.47141
Perimeter
243368823
Area
2.8496269542433E+15
Altitude
70254527.735706
Surface area
2.8496269542433E+15
Volume
6.2916537335221E+22
Height
38241721.127264