21693515 is an odd 8-digits composite number following 21693514
and preceding 21693516 . In scientific notation, it is written as 2.1693515 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17354808 positive integers (up to 21693515) that are relatively prime to 21693515.
21693515 has 4 divisors, whose sum is 26032224
The reverse of 21693515 is 51539612
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million six hundred ninety-three thousand five hundred fifteen
Scientific notation
2.1693515 × 10^7
Engineering notation
2.1693515 × 10^6
Prime Factorization
5 × 4338703
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21693515
Product of the distinct prime numbers
The prime factorization of 21693515 is 5 × 4338703.
Since it has a total of 2 prime factors.
2 , 2 , 9 , 66 , 864 , 578 , 2940 , 3452 , 7018 , 18305 , 645901 , 196612 , 6336039 , 9171204 , 7912315 , 90932180 , 163070606 , 763418711 , 9551291454 , 4821830025
n×2
43387030
n×3
65080545
n×4
86774060
n×5
108467575
n÷2
10846757.5
n÷3
7231171.6666667
n÷3
5423378.75
n÷5
4338703
n2
470608593055225
n3
1.0209154572572E+22
n4
2.2147244785742E+29
n5
4.8045158696816E+36
2 √n
4657.6297620142
3 √n
278.89665712651
4 √n
68.246829684712
5 √n
29.326888316446
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
-21693514
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 21693515 can be divided by 4 positive divisors.
The sum of these divisors (counting 21693515) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000010001001011
3
Ternary
1111211010220112
4
Quaternary
1102300101023
5
Quinary
21023143030
6
Senary
2052544535
8
Octal
122602113
10
Decimal
21693515
12
Duodecimal
732214b
16
Hexadecimal
14b044b
20
Vigesimal
6fbdff
36
Base36
cwytn
md5
09b8d739b500c1b65d513f9d818e8e40
sha1
7a0fe747bc7098281fbb414f3889711b54118f13
sha256
7873f7fdb424757bb879789709b444cc018fd59b7599395dce7d0a913efec0ba
sha512
c524f1c0a3d2f68728e3a4a1e4cf5af2dbbe9a0c9cd2c0c4fef317c76a1ca32cdd726d1c020a2b38cd98f9da0d6b239579c9610f09c3dd37038ba9eff2903663
ripemd-160
6c1261e5a53b2e81722bbfacedfade8b45cd0b71
Diameter
43387030
Circumference
136304374.70908
Area
1.4784604986585E+15
Volume
4.2764006672742E+22
Surface area
5.9138419946341E+15
Circumference
136304374.70908
Perimeter
86774060
Area
470608593055225
Diagonal
30679263.128544
Surface area
2823651558331350
Volume
1.0209154572572E+22
Space diagonal
37574270.174758
Perimeter
65080545
Area
2.0377949841254E+14
Altitude
18787135.087379
Surface area
2.0377949841254E+14
Volume
1.2031604047413E+21
Height
10226421.042848