21039903 is an odd 8-digits composite number following 21039902
and preceding 21039904 . In scientific notation, it is written as 2.1039903 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13991616 positive integers (up to 21039903) that are relatively prime to 21039903.
21039903 has 8 divisors, whose sum is 23436000
The reverse of 21039903 is 30993012
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million thirty-nine thousand nine hundred three
Scientific notation
2.1039903 × 10^7
Engineering notation
2.1039903 × 10^6
Prime Factorization
9 × 433 × 5399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21039903
Product of the distinct prime numbers
The prime factorization of 21039903 is 9 × 433 × 5399.
Since it has a total of 3 prime factors.
6 , 8 , 100 , 9 , 364 , 443 , 6302 , 9567 , 38606 , 53159 , 741194 , 392225 , 4133019 , 7944549 , 63320557 , 60940369 , 55258631 , 356664787 , 2208702374 , 1617617557
n×2
42079806
n×3
63119709
n×4
84159612
n×5
105199515
n÷2
10519951.5
n÷3
7013301
n÷3
5259975.75
n÷5
4207980.6
n2
442677518249409
n3
9.3138920442483E+21
n4
1.9596338516346E+29
n5
4.1230506153908E+36
2 √n
4586.9274029572
3 √n
276.06705207688
4 √n
67.726858800311
5 √n
29.147999046958
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
-21039902
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 21039903 can be divided by 8 positive divisors.
The sum of these divisors (counting 21039903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000101100011111
3
Ternary
1110120221022200
4
Quaternary
1100100230133
5
Quinary
20341234103
6
Senary
2030542543
8
Octal
120205437
10
Decimal
21039903
12
Duodecimal
7067a53
16
Hexadecimal
1410b1f
20
Vigesimal
6b9jf3
36
Base36
ciyhr
md5
f32af21b9b5d2cd31bb3afae08f3d72c
sha1
14e13f18fcf7c8144cb8dfc103d73a569ce0e137
sha256
73b201233eaf3571c8f3c5b65ae985140d2d2699788765b438f8c89936d8b1fc
sha512
a5d7a5c0c5464ef81700a09e264d303bd32fc96e3345bc826e9331f2a40e09c3a8c76012014512d9cafc8f7162aaf6ca6b58a43fafd939c4791f9062f17bd357
ripemd-160
d749fb1336a99956cd071ba4c479603c1562163d
Diameter
42079806
Circumference
132197609.39408
Area
1.3907124392417E+15
Volume
3.9013939763385E+22
Surface area
5.5628497569668E+15
Circumference
132197609.39408
Perimeter
84159612
Area
442677518249409
Diagonal
29754916.173614
Surface area
2656065109496454
Volume
9.3138920442483E+21
Space diagonal
36442180.982321
Perimeter
63119709
Area
1.9168498824412E+14
Altitude
18221090.49116
Surface area
1.9168498824412E+14
Volume
1.0976527039546E+21
Height
9918305.3912048