21693845 is an odd 8-digits composite number following 21693844
and preceding 21693846 . In scientific notation, it is written as 2.1693845 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 17355072 positive integers (up to 21693845) that are relatively prime to 21693845.
21693845 has 4 divisors, whose sum is 26032620
The reverse of 21693845 is 54839612
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million six hundred ninety-three thousand eight hundred forty-five
Scientific notation
2.1693845 × 10^7
Engineering notation
2.1693845 × 10^6
Prime Factorization
5 × 4338769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21693845
Product of the distinct prime numbers
The prime factorization of 21693845 is 5 × 4338769.
Since it has a total of 2 prime factors.
5 , 2 , 85 , 13 , 937 , 653 , 1647 , 9772 , 79565 , 83437 , 355883 , 863863 , 4455873 , 314836 , 77755857 , 96765375 , 186523206 , 64277284 , 8758151336 , 4982589496
n×2
43387690
n×3
65081535
n×4
86775380
n×5
108469225
n÷2
10846922.5
n÷3
7231281.6666667
n÷3
5423461.25
n÷5
4338769
n2
470622910884025
n3
1.0209620482167E+22
n4
2.2148592424895E+29
n5
4.8048813103385E+36
2 √n
4657.6651876235
3 √n
278.89807130382
4 √n
68.247089224549
5 √n
29.326977539555
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
-21693844
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 21693845 can be divided by 4 positive divisors.
The sum of these divisors (counting 21693845) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110000010110010101
3
Ternary
1111211011100202
4
Quaternary
1102300112111
5
Quinary
21023200340
6
Senary
2052550245
8
Octal
122602625
10
Decimal
21693845
12
Duodecimal
7322385
16
Hexadecimal
14b0595
20
Vigesimal
6fbec5
36
Base36
cwz2t
md5
27b315d160346bf59d1a916a4032bd50
sha1
1668303498851f98a04bbb29b1418a9af0757ce7
sha256
d0667b75d2c9f3a8620730dbcdebf93e0c507eeee2cf0ac9119fe2a2b9632083
sha512
fdfbfdf072b4cdb46da2c2f363ba25b54b71bfbf8b1f63bf5a2c39fb6ebdaa4896bb67c8a260cf37ac7d91ebdd9a09105c3775d1d306e545b02f7911cf7a986e
ripemd-160
fbe8a3127e837364edc3b63d532227a85a5ee373
Diameter
43387690
Circumference
136306448.16023
Area
1.4785054794443E+15
Volume
4.2765958270287E+22
Surface area
5.9140219177772E+15
Circumference
136306448.16023
Perimeter
86775380
Area
470622910884025
Diagonal
30679729.81902
Surface area
2823737465304150
Volume
1.0209620482167E+22
Space diagonal
37574841.751524
Perimeter
65081535
Area
2.0378569821427E+14
Altitude
18787420.875762
Surface area
2.0378569821427E+14
Volume
1.2032153127135E+21
Height
10226576.60634