21093917 is an odd 8-digits composite number following 21093916
and preceding 21093918 . In scientific notation, it is written as 2.1093917 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 19471296 positive integers (up to 21093917) that are relatively prime to 21093917.
21093917 has 4 divisors, whose sum is 22716540
The reverse of 21093917 is 71939012
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million ninety-three thousand nine hundred seventeen
Scientific notation
2.1093917 × 10^7
Engineering notation
2.1093917 × 10^6
Prime Factorization
13 × 1622609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21093917
Product of the distinct prime numbers
The prime factorization of 21093917 is 13 × 1622609.
Since it has a total of 2 prime factors.
9 , 6 , 10 , 45 , 171 , 546 , 4282 , 5254 , 55896 , 24495 , 388730 , 475676 , 3719586 , 2448200 , 46344130 , 19691424 , 900662362 , 895676149 , 5509619151 , 8140481633
n×2
42187834
n×3
63281751
n×4
84375668
n×5
105469585
n÷2
10546958.5
n÷3
7031305.6666667
n÷3
5273479.25
n÷5
4218783.4
n2
444953334402889
n3
9.3858087047678E+21
n4
1.9798346979625E+29
n5
4.1762468792541E+36
2 √n
4592.8114483397
3 √n
276.30309156145
4 √n
67.770284405038
5 √n
29.162949551014
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
-21093916
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 21093917 can be divided by 4 positive divisors.
The sum of these divisors (counting 21093917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011101111000011101
3
Ternary
1110200200102012
4
Quaternary
1100131320131
5
Quinary
20400001132
6
Senary
2032041005
8
Octal
120357035
10
Decimal
21093917
12
Duodecimal
7093165
16
Hexadecimal
141de1d
20
Vigesimal
6bgefh
36
Base36
ck465
md5
7f1b72a42067fd8561ed16c4db68bc63
sha1
8c3debc18c789132caa416d818deb1b81409b5cd
sha256
386406ca6adcaa012f932822b009bc9306a7e76211dd7fdf7993b491e3b11e99
sha512
ce402f9b6a6bf074f0ac1d3fb41b3a7ac83f748723553edaf42bc3a7d3ad444c88df4bcf1fb1c1a2942a2b2f77af2d9c37fdfdc2b76798113ee5c6e5bfc860a9
ripemd-160
26ecba839aae0776a096c87e0832ffc46281752e
Diameter
42187834
Circumference
132536989.36527
Area
1.3978621265504E+15
Volume
3.931518356653E+22
Surface area
5.5914485062016E+15
Circumference
132536989.36527
Perimeter
84375668
Area
444953334402889
Diagonal
29831303.504972
Surface area
2669720006417334
Volume
9.3858087047678E+21
Space diagonal
36535735.974641
Perimeter
63281751
Area
1.9267044554575E+14
Altitude
18267867.98732
Surface area
1.9267044554575E+14
Volume
1.1061281636768E+21
Height
9943767.8349908