20249749 is an odd 8-digits composite number following 20249748
and preceding 20249750 . In scientific notation, it is written as 2.0249749 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 18665712 positive integers (up to 20249749) that are relatively prime to 20249749.
20249749 has 8 divisors, whose sum is 21848120
The reverse of 20249749 is 94794202
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million two hundred forty-nine thousand seven hundred forty-nine
Scientific notation
2.0249749 × 10^7
Engineering notation
2.0249749 × 10^6
Prime Factorization
2197 × 13 × 709
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20249749
Product of the distinct prime numbers
The prime factorization of 20249749 is 2197 × 13 × 709.
Since it has a total of 3 prime factors.
4 , 10 , 45 , 60 , 440 , 518 , 1287 , 5336 , 43374 , 81522 , 35315 , 285219 , 7366716 , 4530825 , 75171953 , 9652879 , 577495280 , 845639416 , 8083562166 , 2427556444
n×2
40499498
n×3
60749247
n×4
80998996
n×5
101248745
n÷2
10124874.5
n÷3
6749916.3333333
n÷3
5062437.25
n÷5
4049949.8
n2
410052334563001
n3
8.3034568517648E+21
n4
1.6814291708057E+29
n5
3.4048518670093E+36
2 √n
4499.9721110247
3 √n
272.56696275407
4 √n
67.081831452523
5 √n
28.92570341237
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
-20249748
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 20249749 can be divided by 8 positive divisors.
The sum of these divisors (counting 20249749) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001111110010010101
3
Ternary
1102002210102201
4
Quaternary
1031033302111
5
Quinary
20140442444
6
Senary
2002004501
8
Octal
115176225
10
Decimal
20249749
12
Duodecimal
6946731
16
Hexadecimal
134fc95
20
Vigesimal
66b479
36
Base36
c20t1
md5
cdbf07d107c128aea5f8985245f694cb
sha1
d980c7c4ba5cacb42e9b021b507ba8fbb7e6235d
sha256
c56246a4fdd5b118baf6ebb44cf212b5720d692814afb8885bc0dbaf9e5e69a4
sha512
beb930dc04f5a0abc5ba3bf466f11ca797fa0628b83895af48315f37f33ae7ecbe9c809a187b90a69ad86e2cded00f1f90a12f5ea1a4664978a5545f1f122bd1
ripemd-160
e4115f2ce34ed2bf48ab41c94ce5668e56cf0db6
Diameter
40499498
Circumference
127232925.39087
Area
1.2882174018505E+15
Volume
3.4781438726539E+22
Surface area
5.1528696074019E+15
Circumference
127232925.39087
Perimeter
80998996
Area
410052334563001
Diagonal
28637469.670451
Surface area
2460314007378006
Volume
8.3034568517648E+21
Space diagonal
35073594.108517
Perimeter
60749247
Area
1.7755786930634E+14
Altitude
17536797.054259
Surface area
1.7755786930634E+14
Volume
9.785717745288E+20
Height
9545823.2234837