1989538423 is an odd 10-digits composite number following 1989538422
and preceding 1989538424 . In scientific notation, it is written as 1.989538423 × 10^9.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 1959069888 positive integers (up to 1989538423) that are relatively prime to 1989538423.
1989538423 has 8 divisors, whose sum is 2020096400
The reverse of 1989538423 is 3248359891
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion nine hundred eighty-nine million five hundred thirty-eight thousand four hundred twenty-three
Scientific notation
1.989538423 × 10^9
Engineering notation
1.989538423 × 10^9
Prime Factorization
73 × 619 × 44029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1989538423
Product of the distinct prime numbers
The prime factorization of 1989538423 is 73 × 619 × 44029.
Since it has a total of 3 prime factors.
9 , 8 , 51 , 87 , 848 , 27 , 5640 , 5256 , 63164 , 46896 , 627765 , 761838 , 4497487 , 9502597 , 48610214 , 57394377 , 974113208 , 831138085 , 4297547214 , 5934090783
n×2
3979076846
n×3
5968615269
n×4
7958153692
n×5
9947692115
n÷2
994769211.5
n÷3
663179474.33333
n÷3
497384605.75
n÷5
397907684.6
n2
3958263136593326929
n3
7.8751165985969E+27
n4
1.5667847058514E+37
n5
3.11717837286E+46
2 √n
44604.242208561
3 √n
1257.7204148914
4 √n
211.19716430047
5 √n
72.401983839005
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
-1989538422
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 1989538423 can be divided by 8 positive divisors.
The sum of these divisors (counting 1989538423) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110100101011111001001110111
3
Ternary
12010122200000122021
4
Quaternary
1312211133021313
5
Quinary
13033310212143
6
Senary
525230414011
8
Octal
16645371167
10
Decimal
1989538423
12
Duodecimal
476361307
16
Hexadecimal
7695f277
20
Vigesimal
1b1ec613
36
Base36
wwipo7
md5
b5950f9d64d4166bd98c8d8710e2e06b
sha1
1355df6fbcc8fe963ce0b66bb7bc7ad91ccc1749
sha256
b5f0a194e03c4cab355bdce228af96a42cc579880b7b4c6834b75424c3c723c3
sha512
fa83176731aac7957994b65e72d620102fab1e7afb946efd18fe7a71e206958e682747f746303f8277ae3d9eea7c01329e1aedb71ecf455fcc4173e7d9e57a14
ripemd-160
4df2f5c22484c93805f1fe2571f8e293601ed5e7
Diameter
3979076846
Circumference
12500638587.463
Area
1.2435250390897E+19
Volume
3.2987211269754E+28
Surface area
4.9741001563588E+19
Circumference
12500638587.463
Perimeter
7958153692
Area
3958263136593326929
Diagonal
2813632220.669
Surface area
2.374957881956E+19
Volume
7.8751165985969E+27
Space diagonal
3445981632.2465
Perimeter
5968615269
Area
1.7139782155766E+18
Altitude
1722990816.1232
Surface area
1.7139782155766E+18
Volume
9.2809139158377E+26
Height
937877406.88966