81922023 is an odd 8-digits composite number following 81922022
and preceding 81922024 . In scientific notation, it is written as 8.1922023 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 20 positive divisors.
There are 54479952 positive integers (up to 81922023) that are relatively prime to 81922023.
81922023 has 20 divisors, whose sum is 122679480
The reverse of 81922023 is 32022918
Previous prime number is 1987
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million nine hundred twenty-two thousand twenty-three
Scientific notation
8.1922023 × 10^7
Engineering notation
8.1922023 × 10^6
Prime Factorization
3 × 9 × 3 × 1987 × 509
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
27307341
Product of the distinct prime numbers
The prime factorization of 81922023 is 3 × 9 × 3 × 1987 × 509.
Since it has a total of 5 prime factors.
8 , 7 , 31 , 37 , 205 , 24 , 2592 , 642 , 46361 , 26001 , 187382 , 307137 , 1477517 , 135298 , 30779456 , 40256261 , 197047525 , 468207648 , 2440868523 , 1398831449
n×2
163844046
n×3
245766069
n×4
327688092
n×5
409610115
n÷2
40961011.5
n÷3
27307341
n÷3
20480505.75
n÷5
16384404.6
n2
6711217852412529
n3
5.4979654326335E+23
n4
4.5040445062541E+31
n5
3.6898043763437E+39
2 √n
9051.0785545149
3 √n
434.31039366927
4 √n
95.137156539992
5 √n
38.25428892539
1 , 3 , 9 , 27 , 81 , 509 , 1527 , 1987 , 4581 , 5961 , 13743 , 17883 , 41229 , 53649 , 160947 , 1011383 , 3034149 , 9102447 , 27307341 , 81922023
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81922022
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81922023 can be divided by 20 positive divisors.
The sum of these divisors (counting 81922023) is 1, the average is 0.05.
Base
System
Value
2
Binary
100111000100000011111100111
3
Ternary
12201011001220000
4
Quaternary
10320200133213
5
Quinary
131433001043
6
Senary
12043512343
8
Octal
470403747
10
Decimal
81922023
12
Duodecimal
235286b3
16
Hexadecimal
4e207e7
20
Vigesimal
15c0513
36
Base36
1crvfr
md5
28a879ad6faa6adbe818711d628ccdd3
sha1
e8cb1ff354ebfc85fe4af5db09371f41eeab70a6
sha256
7dddd25299bcd9886ba4dd2d2ecc17c1ad776ed3f3d4c16eb70643f0148075b3
sha512
8a113fa15cb78ad339c15bbe4d1f2bf1c53a523ff4a8a9d6e91a00c140a998c10fdf24bd1d31a0b47d8e046d040fb25633b83c59d03d13d60eecf0f1df65b16f
ripemd-160
41edb51c1ca56de0554adadd85318698417d439a
Diameter
163844046
Circumference
514731251.24803
Area
2.108391270178E+16
Volume
2.3029823750469E+24
Surface area
8.4335650807119E+16
Circumference
514731251.24803
Perimeter
327688092
Area
6711217852412529
Diagonal
115855235.98364
Surface area
40267307114475174
Volume
5.4979654326335E+23
Space diagonal
141893106.09483
Perimeter
245766069
Area
2.9060425752604E+15
Altitude
70946553.047413
Surface area
2.9060425752604E+15
Volume
6.4794144002406E+22
Height
38618411.994547