1998377989 is an odd 10-digits composite number following 1998377988
and preceding 1998377990 . In scientific notation, it is written as 1.998377989 × 10^9.
The sum of its digits is 70. It has a total of 2 prime factors and 4 positive divisors.
There are 1998288556 positive integers (up to 1998377989) that are relatively prime to 1998377989.
1998377989 has 4 divisors, whose sum is 1998467424
The reverse of 1998377989 is 9897738991
Previous prime number is 43607
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 70
Digital Root 7
Name
one billion nine hundred ninety-eight million three hundred seventy-seven thousand nine hundred eighty-nine
Scientific notation
1.998377989 × 10^9
Engineering notation
1.998377989 × 10^9
Prime Factorization
43607 × 45827
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998377989
Product of the distinct prime numbers
The prime factorization of 1998377989 is 43607 × 45827.
Since it has a total of 2 prime factors.
3 , 3 , 53 , 27 , 276 , 212 , 7393 , 6179 , 13107 , 64094 , 260782 , 839619 , 4480307 , 9024942 , 20844944 , 65431039 , 479460303 , 712407864 , 3152497111 , 6011434223
n×2
3996755978
n×3
5995133967
n×4
7993511956
n×5
9991889945
n÷2
999188994.5
n÷3
666125996.33333
n÷3
499594497.25
n÷5
399675597.8
n2
3993514586919684121
n3
7.9805516492507E+27
n4
1.594815875594E+37
n5
3.1870449422949E+46
2 √n
44703.221237401
3 √n
1259.5803568099
4 √n
211.43136294647
5 √n
72.466206546368
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
-1998377988
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 1998377989 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998377989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111000111001101010000000101
3
Ternary
12011021022010020121
4
Quaternary
1313013031100011
5
Quinary
13043041043424
6
Senary
530144101541
8
Octal
16707152005
10
Decimal
1998377989
12
Duodecimal
4793048b1
16
Hexadecimal
771cd405
20
Vigesimal
1b49h4j9
36
Base36
x1s6bp
md5
b8bb48cd5d6dbcc79fd366c75c2c9217
sha1
935e19220459ae29b8b89740a2571e154f47b21f
sha256
7289ce6f8d1fa7b010ca3ff7516d94f29ff2fa533d91c702f71f53757c2710b7
sha512
5d9ec99dd8d6704ce3e47a94b3a3b5e12ac2ecd6e8dc3eef3698654c9c996c3b914b9cdd656f318228fe139f8542a1bd20e4a850155bf9e86199416679186efb
ripemd-160
c43bc668ab48c961d46d8a1987ad939eab0b8863
Diameter
3996755978
Circumference
12556179218.676
Area
1.2545996088271E+19
Volume
3.3428856577173E+28
Surface area
5.0183984353082E+19
Circumference
12556179218.676
Perimeter
7993511956
Area
3993514586919684121
Diagonal
2826133254.7917
Surface area
2.3961087521518E+19
Volume
7.9805516492507E+27
Space diagonal
3461292209.6753
Perimeter
5995133967
Area
1.7292425413281E+18
Altitude
1730646104.8377
Surface area
1.7292425413281E+18
Volume
9.4051703146578E+26
Height
942044418.26389