243137989 is an odd 9-digits composite number following 243137988
and preceding 243137990 . In scientific notation, it is written as 2.43137989 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 234266256 positive integers (up to 243137989) that are relatively prime to 243137989.
243137989 has 8 divisors, whose sum is 252137600
The reverse of 243137989 is 989731342
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred forty-three million one hundred thirty-seven thousand nine hundred eighty-nine
Scientific notation
2.43137989 × 10^8
Engineering notation
2.43137989 × 10^6
Prime Factorization
37 × 103 × 63799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
243137989
Product of the distinct prime numbers
The prime factorization of 243137989 is 37 × 103 × 63799.
Since it has a total of 3 prime factors.
3 , 4 , 90 , 3 , 680 , 57 , 9419 , 9988 , 29496 , 88899 , 790822 , 84354 , 8176424 , 7178647 , 50379703 , 18676429 , 429953665 , 70353450 , 4085601657 , 197615719
n×2
486275978
n×3
729413967
n×4
972551956
n×5
1215689945
n÷2
121568994.5
n÷3
81045996.333333
n÷3
60784497.25
n÷5
48627597.8
n2
59116081694964121
n3
1.4373365220873E+25
n4
3.4947111149657E+33
n5
8.496970326287E+41
2 √n
15592.882639204
3 √n
624.14324336556
4 √n
124.87146447129
5 √n
47.552194494034
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
-243137988
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 243137989 can be divided by 8 positive divisors.
The sum of these divisors (counting 243137989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110011111011111110111000101
3
Ternary
121221111200121201
4
Quaternary
32133133313011
5
Quinary
444220403424
6
Senary
40043142501
8
Octal
1637376705
10
Decimal
243137989
12
Duodecimal
69514a31
16
Hexadecimal
e7dfdc5
20
Vigesimal
3fjc4j9
36
Base36
40rah1
md5
8b172c7bcf37eba8b00853d9e7887397
sha1
924a17604220cc5eccc7e5d2551f6454688c1c46
sha256
63073f5eef99d553fecce36d53e6e56a421607e9780dac0941970f7641f367b2
sha512
f766c07c6cbc8e567d41c05689dd05e3121bd986821135100a4c2b2ec7cbb3676bdf755346e29d4a6048f38f6bbe9e9359802dab39e8d35462ed4f50296ce90c
ripemd-160
612b8fca6caec804b91a94a210976548a27f8eb6
Diameter
486275978
Circumference
1527681040.102
Area
1.8571864796191E+17
Volume
6.0207011447011E+25
Surface area
7.4287459184765E+17
Circumference
1527681040.102
Perimeter
972551956
Area
59116081694964121
Diagonal
343849041.57192
Surface area
354696490169784726
Volume
1.4373365220873E+25
Space diagonal
421127350.19812
Perimeter
729413967
Area
2.5598014260018E+16
Altitude
210563675.09906
Surface area
2.5598014260018E+16
Volume
1.6939173360251E+24
Height
114616347.19064