81122023 is an odd 8-digits composite number following 81122022
and preceding 81122024 . In scientific notation, it is written as 8.1122023 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 81068688 positive integers (up to 81122023) that are relatively prime to 81122023.
81122023 has 4 divisors, whose sum is 81175360
The reverse of 81122023 is 32022118
Previous prime number is 1567
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
eighty-one million one hundred twenty-two thousand twenty-three
Scientific notation
8.1122023 × 10^7
Engineering notation
8.1122023 × 10^6
Prime Factorization
1567 × 51769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81122023
Product of the distinct prime numbers
The prime factorization of 81122023 is 1567 × 51769.
Since it has a total of 2 prime factors.
10 , 7 , 33 , 20 , 163 , 273 , 6368 , 2636 , 26337 , 64266 , 155017 , 876141 , 4070099 , 3284176 , 76561642 , 90871728 , 531694234 , 825044515 , 480518549 , 1109912329
n×2
162244046
n×3
243366069
n×4
324488092
n×5
405610115
n÷2
40561011.5
n÷3
27040674.333333
n÷3
20280505.75
n÷5
16224404.6
n2
6580782615612529
n3
5.3384639870172E+23
n4
4.3306699833948E+31
n5
3.5131270999836E+39
2 √n
9006.7765043882
3 √n
432.89203074731
4 √n
94.904038398733
5 √n
38.179281797973
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81122022
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81122023 can be divided by 4 positive divisors.
The sum of these divisors (counting 81122023) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011101001011100111
3
Ternary
12122122102111101
4
Quaternary
10311131023213
5
Quinary
131231401043
6
Senary
12014420531
8
Octal
465351347
10
Decimal
81122023
12
Duodecimal
23201747
16
Hexadecimal
4d5d2e7
20
Vigesimal
1570513
36
Base36
1caq5j
md5
e4ba847a3a8eb88b6e7a087c06363055
sha1
66aebc27e7ae12825b7da40d91d96e507f4b7e63
sha256
51ebea64373c294f3bee9cfa414e8dfb836bb01916cf4d1ad69c2b0b0f209f03
sha512
bd201a4aff512831f2adbbf452ece9e2832191ce5160aad0cde7bf1ea0eadfb3dd2751562784dfb8685f3b973b0718397ee31c074fd54360aa728ae4425b1012
ripemd-160
f4c7f487e4aad58fa9e9550b55a45355585dd60f
Diameter
162244046
Circumference
509704703.00228
Area
2.067413832008E+16
Volume
2.2361705657423E+24
Surface area
8.2696553280319E+16
Circumference
509704703.00228
Perimeter
324488092
Area
6580782615612529
Diagonal
114723865.13374
Surface area
39484695693675174
Volume
5.3384639870172E+23
Space diagonal
140507465.44877
Perimeter
243366069
Area
2.8495624609517E+15
Altitude
70253732.724386
Surface area
2.8495624609517E+15
Volume
6.2914401439001E+22
Height
38241288.377914