21131903 is an odd 8-digits composite number following 21131902
and preceding 21131904 . In scientific notation, it is written as 2.1131903 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 19450368 positive integers (up to 21131903) that are relatively prime to 21131903.
21131903 has 8 divisors, whose sum is 22822800
The reverse of 21131903 is 30913112
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand nine hundred three
Scientific notation
2.1131903 × 10^7
Engineering notation
2.1131903 × 10^6
Prime Factorization
13 × 379 × 4289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21131903
Product of the distinct prime numbers
The prime factorization of 21131903 is 13 × 379 × 4289.
Since it has a total of 3 prime factors.
3 , 1 , 33 , 7 , 625 , 72 , 7469 , 6642 , 54483 , 70109 , 794104 , 967763 , 7333842 , 4990388 , 42878645 , 53514991 , 196957607 , 836834980 , 6710313582 , 4675982940
n×2
42263806
n×3
63395709
n×4
84527612
n×5
105659515
n÷2
10565951.5
n÷3
7043967.6666667
n÷3
5282975.75
n÷5
4226380.6
n2
446557324401409
n3
9.4366060631901E+21
n4
1.9941344397655E+29
n5
4.2139855550083E+36
2 √n
4596.9449637776
3 √n
276.46884796302
4 √n
67.800774064737
5 √n
29.173445341837
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
-21131902
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 21131903 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001001111111
3
Ternary
1110202121112002
4
Quaternary
1100213021333
5
Quinary
20402210103
6
Senary
2032532515
8
Octal
120471177
10
Decimal
21131903
12
Duodecimal
70b113b
16
Hexadecimal
142727f
20
Vigesimal
6c19f3
36
Base36
ckxhb
md5
6278e84e713eb41ac6f8f5c3ab360933
sha1
fb6f7cc4c7e372a19e8fa7ffe210795f0336be66
sha256
9bf769770c95cf547897052f5325d0f357c995bcf3e4f8ad40ace44fc51caaeb
sha512
c23ec5bb4c755f045d8ff69fb3a1aacf10c92e25ac83589dc0d75fb48d8dcc96dd52f50f3bdf1d1917f16373cdbfe5e6bd3b32861a5d4a5a8ef302d81a46dba8
ripemd-160
d6b478740711ad1b0e7ae396e99adcd5e61ff12b
Diameter
42263806
Circumference
132775662.44234
Area
1.4029012097462E+15
Volume
3.9527963043919E+22
Surface area
5.6116048389847E+15
Circumference
132775662.44234
Perimeter
84527612
Area
446557324401409
Diagonal
29885023.821353
Surface area
2679343946408454
Volume
9.4366060631901E+21
Space diagonal
36601529.656617
Perimeter
63395709
Area
1.9336499358881E+14
Altitude
18300764.828309
Surface area
1.9336499358881E+14
Volume
1.112114689778E+21
Height
9961674.6071176