1998907434 is an even 10-digits composite number following 1998907433
and preceding 1998907435 . In scientific notation, it is written as 1.998907434 × 10^9.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 666302472 positive integers (up to 1998907434) that are relatively prime to 1998907434.
1998907434 has 8 divisors, whose sum is 3331512420
The reverse of 1998907434 is 4347098991
Previous prime number is 9
Is Prime? no
Number parity even
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion nine hundred ninety-eight million nine hundred seven thousand four hundred thirty-four
Scientific notation
1.998907434 × 10^9
Engineering notation
1.998907434 × 10^9
Prime Factorization
2 × 9 × 111050413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998907434
Product of the distinct prime numbers
The prime factorization of 1998907434 is 2 × 9 × 111050413.
Since it has a total of 3 prime factors.
3 , 9 , 7 , 44 , 283 , 285 , 5212 , 4945 , 11534 , 68956 , 139112 , 160097 , 4862743 , 806487 , 53536688 , 69856272 , 518138467 , 366276918 , 4055623064 , 3599193550
n×2
3997814868
n×3
5996722302
n×4
7995629736
n×5
9994537170
n÷2
999453717
n÷3
666302478
n÷3
499726858.5
n÷5
399781486.8
n2
3995630929700464356
n3
7.9868963688986E+27
n4
1.5965066526379E+37
n5
3.1912690163884E+46
2 √n
44709.142622063
3 √n
1259.6915836217
4 √n
211.44536557244
5 √n
72.470045940682
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
-1998907433
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 1998907434 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998907434) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001001001110100000101010
3
Ternary
12011022022000111200
4
Quaternary
1313021032200222
5
Quinary
13043210014214
6
Senary
530203305030
8
Octal
16711164052
10
Decimal
1998907434
12
Duodecimal
47951b176
16
Hexadecimal
7724e82a
20
Vigesimal
1b4d38be
36
Base36
x23iui
md5
299868145d280d468e6975c8ffffb6f2
sha1
725be7e6682da85603bc689fd44796d7ed8a0632
sha256
02842ab1ba4153f3a20f50ac2e6a482683f51bd56c9b4e77f3533cc5d41ae8a9
sha512
dc970712cb6515a813d7b86252f97ace05eb9c873dd5edcab3cf9fbd3aafbea106cfd5094d1da1b643afab1bef401d8f9bac6e51c9efba9e201919e8ef8e114d
ripemd-160
d03b625c50169003b257d043f31a50b4b861efb2
Diameter
3997814868
Circumference
12559505819.721
Area
1.2552644775203E+19
Volume
3.3455433276686E+28
Surface area
5.0210579100813E+19
Circumference
12559505819.721
Perimeter
7995629736
Area
3995630929700464356
Diagonal
2826882003.0912
Surface area
2.3973785578203E+19
Volume
7.9868963688986E+27
Space diagonal
3462209235.3151
Perimeter
5996722302
Area
1.7301589446337E+18
Altitude
1731104617.6576
Surface area
1.7301589446337E+18
Volume
9.4126476384707E+26
Height
942294001.0304