21693591 is an odd 8-digits composite number following 21693590
and preceding 21693592 . In scientific notation, it is written as 2.1693591 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 14357520 positive integers (up to 21693591) that are relatively prime to 21693591.
21693591 has 8 divisors, whose sum is 24278800
The reverse of 21693591 is 19539612
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred ninety-three thousand five hundred ninety-one
Scientific notation
2.1693591 × 10^7
Engineering notation
2.1693591 × 10^6
Prime Factorization
9 × 139 × 17341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21693591
Product of the distinct prime numbers
The prime factorization of 21693591 is 9 × 139 × 17341.
Since it has a total of 3 prime factors.
10 , 3 , 52 , 15 , 202 , 465 , 8882 , 6063 , 71092 , 99654 , 165075 , 21378 , 9487044 , 1396670 , 84208923 , 35150990 , 722969002 , 289977357 , 687562723 , 8677003992
n×2
43387182
n×3
65080773
n×4
86774364
n×5
108467955
n÷2
10846795.5
n÷3
7231197
n÷3
5423397.75
n÷5
4338718.2
n2
470611890475281
n3
1.0209261871708E+22
n4
2.2147555145672E+29
n5
4.8046000298015E+36
2 √n
4657.6379206632
3 √n
278.8969828171
4 √n
68.246889457786
5 √n
29.326908864895
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
-21693590
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 21693591 can be divided by 8 positive divisors.
The sum of these divisors (counting 21693591) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110000010010010111
3
Ternary
1111211011000100
4
Quaternary
1102300102113
5
Quinary
21023143331
6
Senary
2052545143
8
Octal
122602227
10
Decimal
21693591
12
Duodecimal
73221b3
16
Hexadecimal
14b0497
20
Vigesimal
6fbdjb
36
Base36
cwyvr
md5
70ae0966b5ebc2760ce7c632825a306d
sha1
a3ac2c0031fe423f8a5a733fd41aaced44538530
sha256
2b9739c4c25521382ca771ca4a059b953178857f75b657cb5c32e18cc9ac6c2a
sha512
7401b440a2a3cfe87190b7196ec1c59a292a0adbafbd9dacdc5a47637b8ec31cd6faca1b3997b9270dafe1b86584d57d1372ca13330768c444ea2b1dca2d4f4f
ripemd-160
83fc46eea2777ef5ad7ecc4f1f492144cc97a7ff
Diameter
43387182
Circumference
136304852.23116
Area
1.4784708578091E+15
Volume
4.2764456126308E+22
Surface area
5.9138834312366E+15
Circumference
136304852.23116
Perimeter
86774364
Area
470611890475281
Diagonal
30679370.608775
Surface area
2823671342851686
Volume
1.0209261871708E+22
Space diagonal
37574401.810619
Perimeter
65080773
Area
2.0378092623731E+14
Altitude
18787200.905309
Surface area
2.0378092623731E+14
Volume
1.2031730500656E+21
Height
10226456.869592