21031519 is an odd 8-digits composite number following 21031518
and preceding 21031520 . In scientific notation, it is written as 2.1031519 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 20399040 positive integers (up to 21031519) that are relatively prime to 21031519.
21031519 has 8 divisors, whose sum is 21673712
The reverse of 21031519 is 91513012
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty-one thousand five hundred nineteen
Scientific notation
2.1031519 × 10^7
Engineering notation
2.1031519 × 10^6
Prime Factorization
61 × 73 × 4723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031519
Product of the distinct prime numbers
The prime factorization of 21031519 is 61 × 73 × 4723.
Since it has a total of 3 prime factors.
7 , 7 , 94 , 75 , 204 , 208 , 1844 , 2719 , 41811 , 96206 , 283566 , 472051 , 6497269 , 8763661 , 32797620 , 1493605 , 693919915 , 26812699 , 3603233690 , 7302380131
n×2
42063038
n×3
63094557
n×4
84126076
n×5
105157595
n÷2
10515759.5
n÷3
7010506.3333333
n÷3
5257879.75
n÷5
4206303.8
n2
442324791447361
n3
9.3027622554962E+21
n4
1.9565122112895E+29
n5
4.1148423745467E+36
2 √n
4586.0134103598
3 √n
276.03037805377
4 √n
67.720110826547
5 √n
29.145675692282
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
-21031518
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 21031519 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031519) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101001011111
3
Ternary
1110120111211011
4
Quaternary
1100032221133
5
Quinary
20341002034
6
Senary
2030440051
8
Octal
120165137
10
Decimal
21031519
12
Duodecimal
7063027
16
Hexadecimal
140ea5f
20
Vigesimal
6b8ifj
36
Base36
cis0v
md5
f469d9961a16d6662aeb864f6704d84e
sha1
1d26988ba3dc309fbd78374bf25ce8f0e283eef0
sha256
ca14b65ddbe8ec1607cf8047d8d1bc5ab9ab30cdb7385ac9a105c4c72d053b22
sha512
b4d5e1a14096d77ada638b29fcc34b922339474866f22466983fdb9113a413e7bd071b36fffb9363e3a93206244b88562e3a886fa17b4050bae1eeda062af42b
ripemd-160
4cd2140927c92c6cc447036fd4079a69bdd7de55
Diameter
42063038
Circumference
132144931.16847
Area
1.3896043153117E+15
Volume
3.8967319413279E+22
Surface area
5.5584172612467E+15
Circumference
132144931.16847
Perimeter
84126076
Area
442324791447361
Diagonal
29743059.407107
Surface area
2653948748684166
Volume
9.3027622554962E+21
Space diagonal
36427659.46835
Perimeter
63094557
Area
1.9153225305853E+14
Altitude
18213829.734175
Surface area
1.9153225305853E+14
Volume
1.0963410457713E+21
Height
9914353.1357025