1989538427 is an odd 10-digits prime number following 1989538426
and preceding 1989538428 . In scientific notation, it is written as 1.989538427 × 10^9.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 1989538426 positive integers (up to 1989538427) that are relatively prime to 1989538427.
1989538427 has 2 divisors, whose sum is 1989538428
The reverse of 1989538427 is 7248359891
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred eighty-nine million five hundred thirty-eight thousand four hundred twenty-seven
Scientific notation
1.989538427 × 10^9
Engineering notation
1.989538427 × 10^9
Prime Factorization
1989538427
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1989538427
Product of the distinct prime numbers
The prime factorization of 1989538427 is 1989538427.
Since it has a total of 1 prime factors.
1 , 2 , 13 , 65 , 399 , 785 , 3242 , 5475 , 18406 , 67069 , 983784 , 73459 , 5863052 , 4786183 , 65836044 , 39842794 , 593224020 , 32862563 , 1348320338 , 7223214417
n×2
3979076854
n×3
5968615281
n×4
7958153708
n×5
9947692135
n÷2
994769213.5
n÷3
663179475.66667
n÷3
497384606.75
n÷5
397907685.4
n2
3958263152509634329
n3
7.8751166460961E+27
n4
1.5667847184516E+37
n5
3.1171784041957E+46
2 √n
44604.2422534
3 √n
1257.7204157343
4 √n
211.19716440663
5 √n
72.401983868118
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1989538428
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
994769214
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44604.24226461
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989947
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1989538427 can be divided by 2 positive divisors.
The sum of these divisors (counting 1989538427) is 1989538428, the average is 994769214.
Base
System
Value
2
Binary
1110110100101011111001001111011
3
Ternary
12010122200000122102
4
Quaternary
1312211133021323
5
Quinary
13033310212202
6
Senary
525230414015
8
Octal
16645371173
10
Decimal
1989538427
12
Duodecimal
47636130b
16
Hexadecimal
7695f27b
20
Vigesimal
1b1ec617
36
Base36
wwipob
md5
4d467380a593855cc69be2df25de2e1d
sha1
b3d6da65d98a7497e59d474adafdc702bbee78a5
sha256
bab24e83faa6e8c01383c68b4c6ae5047e1a953128ed9a16c4f03a25b11b5b83
sha512
022d8735c69f032de928e5bcd3b29eb8c2af8716138e4bfa4c8bf28b2f35434e1b9d1bae46923ad5c4e113a9b3b5a28c02d34ea9d0e2f2fc82c33ad931714d93
ripemd-160
272068df826c7c64bbe405a8fdc3edb992d3e27f
Diameter
3979076854
Circumference
12500638612.596
Area
1.2435250440899E+19
Volume
3.2987211468718E+28
Surface area
4.9741001763598E+19
Circumference
12500638612.596
Perimeter
7958153708
Area
3958263152509634329
Diagonal
2813632226.3258
Surface area
2.3749578915058E+19
Volume
7.8751166460961E+27
Space diagonal
3445981639.1747
Perimeter
5968615281
Area
1.7139782224686E+18
Altitude
1722990819.5873
Surface area
1.7139782224686E+18
Volume
9.280913971816E+26
Height
937877408.77528