20138489 is an odd 8-digits composite number following 20138488
and preceding 20138490 . In scientific notation, it is written as 2.0138489 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 16153344 positive integers (up to 20138489) that are relatively prime to 20138489.
20138489 has 16 divisors, whose sum is 24508800
The reverse of 20138489 is 98483102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred thirty-eight thousand four hundred eighty-nine
Scientific notation
2.0138489 × 10^7
Engineering notation
2.0138489 × 10^6
Prime Factorization
17 × 7 × 229 × 739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20138489
Product of the distinct prime numbers
The prime factorization of 20138489 is 17 × 7 × 229 × 739.
Since it has a total of 4 prime factors.
2 , 9 , 72 , 90 , 401 , 798 , 9924 , 6390 , 84690 , 78897 , 779499 , 385522 , 8319706 , 3701612 , 75375641 , 74819727 , 183909701 , 559249903 , 8361324473 , 8408844881
n×2
40276978
n×3
60415467
n×4
80553956
n×5
100692445
n÷2
10069244.5
n÷3
6712829.6666667
n÷3
5034622.25
n÷5
4027697.8
n2
405558739203121
n3
8.1673402082959E+21
n4
1.6447789094403E+29
n5
3.3123361975194E+36
2 √n
4487.5927845561
3 √n
272.06684937792
4 √n
66.989497569068
5 √n
28.893847509879
1 , 7 , 17 , 119 , 229 , 739 , 1603 , 3893 , 5173 , 12563 , 27251 , 87941 , 169231 , 1184617 , 2876927 , 20138489
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138489 can be divided by 16 positive divisors.
The sum of these divisors (counting 20138489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110100100111111001
3
Ternary
1101220010210222
4
Quaternary
1030310213321
5
Quinary
20123412424
6
Senary
1555345425
8
Octal
114644771
10
Decimal
20138489
12
Duodecimal
68b2275
16
Hexadecimal
13349f9
20
Vigesimal
65h649
36
Base36
bzmyh
md5
a5b40c85b4d5ef6d7d2f276e2305469a
sha1
5280e89f4d1fe3207828c44e490102859994dbcc
sha256
ad9817930dc4157a945d9c185fa0c4c8853cf6b103fa2736ea0f7ef08c2b5df3
sha512
e878ecf6f09552b77f99b50622cb7e056850ae449c9b80ebaae1457c5ac2faccfaa0812a9856175f567ca855c0c3ea0af683ae988b5ed503d20cb59f1f4e5d72
ripemd-160
099461ab645469058830bf0caa43199ab1d070d9
Diameter
40276978
Circumference
126533858.1936
Area
1.2741003556797E+15
Volume
3.4211274663668E+22
Surface area
5.0964014227187E+15
Circumference
126533858.1936
Perimeter
80553956
Area
405558739203121
Diagonal
28480124.269501
Surface area
2433352435218726
Volume
8.1673402082959E+21
Space diagonal
34880886.135667
Perimeter
60415467
Area
1.7561208543835E+14
Altitude
17440443.067833
Surface area
1.7561208543835E+14
Volume
9.6253027425727E+20
Height
9493374.7565005