21693913 is an odd 8-digits composite number following 21693912
and preceding 21693914 . In scientific notation, it is written as 2.1693913 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 21675060 positive integers (up to 21693913) that are relatively prime to 21693913.
21693913 has 4 divisors, whose sum is 21712768
The reverse of 21693913 is 31939612
Previous prime number is 1231
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million six hundred ninety-three thousand nine hundred thirteen
Scientific notation
2.1693913 × 10^7
Engineering notation
2.1693913 × 10^6
Prime Factorization
1231 × 17623
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21693913
Product of the distinct prime numbers
The prime factorization of 21693913 is 1231 × 17623.
Since it has a total of 2 prime factors.
4 , 3 , 59 , 5 , 413 , 3 , 4089 , 5130 , 97625 , 52384 , 920610 , 289628 , 1918637 , 9791082 , 25577006 , 16422116 , 894813535 , 402953818 , 270601408 , 8146309643
n×2
43387826
n×3
65081739
n×4
86775652
n×5
108469565
n÷2
10846956.5
n÷3
7231304.3333333
n÷3
5423478.25
n÷5
4338782.6
n2
470625861251569
n3
1.0209716489542E+22
n4
2.2148870127878E+29
n5
4.8049566160249E+36
2 √n
4657.6724874126
3 √n
278.89836270827
4 √n
68.247142705117
5 √n
29.326995924788
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
-21693912
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 21693913 can be divided by 4 positive divisors.
The sum of these divisors (counting 21693913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000010111011001
3
Ternary
1111211011110021
4
Quaternary
1102300113121
5
Quinary
21023201123
6
Senary
2052550441
8
Octal
122602731
10
Decimal
21693913
12
Duodecimal
7322421
16
Hexadecimal
14b05d9
20
Vigesimal
6fbefd
36
Base36
cwz4p
md5
0599d533ad8ac2dcd65fff6292ff78f4
sha1
007687acb80d8b7ce06a1d2f13551a21c16f6b9c
sha256
0418ddb7b0c5ee03f497b2e065791488f5d0f98213ac82405e91dede0d98691e
sha512
5c9b5bda7d9945e07f744ed7d84b18374601904b5c1500fe06ff33487b9586718c5cd3a98822ced0ebc152f8f34db4119e14648f0fcbe9a27c5c346f34a3d6ed
ripemd-160
90146ddef79f143b367d5b7a0a189dbe4bf5992d
Diameter
43387826
Circumference
136306875.41683
Area
1.4785147482973E+15
Volume
4.2766360425038E+22
Surface area
5.9140589931892E+15
Circumference
136306875.41683
Perimeter
86775652
Area
470625861251569
Diagonal
30679825.985542
Surface area
2823755167509414
Volume
1.0209716489542E+22
Space diagonal
37574959.530979
Perimeter
65081739
Area
2.0378697576089E+14
Altitude
18787479.765489
Surface area
2.0378697576089E+14
Volume
1.2032266272912E+21
Height
10226608.661847