1989538426 is an even 10-digits composite number following 1989538425
and preceding 1989538427 . In scientific notation, it is written as 1.989538426 × 10^9.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 994769212 positive integers (up to 1989538426) that are relatively prime to 1989538426.
1989538426 has 4 divisors, whose sum is 2984307642
The reverse of 1989538426 is 6248359891
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 55
Digital Root 1
Name
one billion nine hundred eighty-nine million five hundred thirty-eight thousand four hundred twenty-six
Scientific notation
1.989538426 × 10^9
Engineering notation
1.989538426 × 10^9
Prime Factorization
2 × 994769213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1989538426
Product of the distinct prime numbers
The prime factorization of 1989538426 is 2 × 994769213.
Since it has a total of 2 prime factors.
1 , 10 , 77 , 90 , 941 , 363 , 2179 , 4910 , 75573 , 32713 , 855885 , 596851 , 4234411 , 2731725 , 17353421 , 16693618 , 926280047 , 218614491 , 1679826829 , 6984586458
n×2
3979076852
n×3
5968615278
n×4
7958153704
n×5
9947692130
n÷2
994769213
n÷3
663179475.33333
n÷3
497384606.5
n÷5
397907685.2
n2
3958263148530557476
n3
7.8751166342213E+27
n4
1.5667847153015E+37
n5
3.1171783963618E+46
2 √n
44604.24224219
3 √n
1257.7204155235
4 √n
211.19716438009
5 √n
72.401983860839
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1989538425
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1989538426 can be divided by 4 positive divisors.
The sum of these divisors (counting 1989538426) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110100101011111001001111010
3
Ternary
12010122200000122101
4
Quaternary
1312211133021322
5
Quinary
13033310212201
6
Senary
525230414014
8
Octal
16645371172
10
Decimal
1989538426
12
Duodecimal
47636130a
16
Hexadecimal
7695f27a
20
Vigesimal
1b1ec616
36
Base36
wwipoa
md5
e43d2b9d1e1f1003621c1e49a24cdb08
sha1
ccef1e315b1d75e7285f7001b0c8a819e3ab1257
sha256
91eec769be60aea655409b4a710d19be8fd2f4619ea2f16bf7632ae591fe667c
sha512
fc1d579b1452aaa1f36892dfa0cbe0d8d5367f0cdead29f6c72c82d2ab544588090c86a7473e564a266f220e8c2a4f9aaad8e9aff6a9f42860ed57c4032570f2
ripemd-160
58ffc6f758695715bab3a3d83adc30c2b978fbd6
Diameter
3979076852
Circumference
12500638606.312
Area
1.2435250428399E+19
Volume
3.2987211418977E+28
Surface area
4.9741001713595E+19
Circumference
12500638606.312
Perimeter
7958153704
Area
3958263148530557476
Diagonal
2813632224.9116
Surface area
2.3749578891183E+19
Volume
7.8751166342213E+27
Space diagonal
3445981637.4426
Perimeter
5968615278
Area
1.7139782207456E+18
Altitude
1722990818.7213
Surface area
1.7139782207456E+18
Volume
9.2809139578214E+26
Height
937877408.30387