1998907438 is an even 10-digits composite number following 1998907437
and preceding 1998907439 . In scientific notation, it is written as 1.998907438 × 10^9.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 908594280 positive integers (up to 1998907438) that are relatively prime to 1998907438.
1998907438 has 8 divisors, whose sum is 3270939480
The reverse of 1998907438 is 8347098991
Previous prime number is 11
Is Prime? no Number parity even Number length 10 Sum of Digits 58 Digital Root 4
Name
one billion nine hundred ninety-eight million nine hundred seven thousand four hundred thirty-eight
Scientific notation
1.998907438 × 10^9
Engineering notation
1.998907438 × 10^9
Prime Factorization
2 × 11 × 90859429
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1998907438 Product of the distinct prime numbers
The prime factorization of 1998907438 is 2 × 11 × 90859429.
Since it has a total of 3 prime factors.
2 , 1 , 29 , 39 , 537 , 605 , 793 , 7993 , 52867 , 5527 , 452664 , 724788 , 9469685 , 6260900 , 89480577 , 47434167 , 384672377 , 840365842 , 8108590813 , 3552609396
n×2
3997814876
n×3
5996722314
n×4
7995629752
n×5
9994537190
n÷2
999453719
n÷3
666302479.33333
n÷3
499726859.5
n÷5
399781487.6
n2
3995630945691723844
n3
7.9868964168462E+27
n4
1.5965066654169E+37
n5
3.1912690483185E+46
2 √n44709.142666797
3 √n1259.6915844619
4 √n211.44536567822
5 √n72.470045969686
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
-1998907437 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 1998907438 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998907438) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001001001110100000101110
3
Ternary
12011022022000111211
4
Quaternary
1313021032200232
5
Quinary
13043210014223
6
Senary
530203305034
8
Octal
16711164056
10
Decimal
1998907438
12
Duodecimal
47951b17a
16
Hexadecimal
7724e82e
20
Vigesimal
1b4d38bi
36
Base36
x23ium
md5
996c905f005d060ba5f74e6080fd112b
sha1
640ae6b4bf5261433d614658c47d43243f530629
sha256
f3dbb30ee6a2ffb8f0f7fcbe5bb4956b049c4a07cc163ac021896d0087ad7beb
sha512
62ed543aeb67bc96d956dc328d6e2d949e86c2e698787c2b74a1eaff360df5f83daa61a04781f7cff06926e05a9f1e89c55c669fd8106a64adc3d796228f22bb
ripemd-160
06d7e206ea77efda863772bd9b9aedf19da42af9
Diameter
3997814876
Circumference
12559505844.854
Area
1.2552644825441E+19
Volume
3.3455433477529E+28
Surface area
5.0210579301765E+19
Circumference
12559505844.854
Perimeter
7995629752
Area
3995630945691723844
Diagonal
2826882008.7481
Surface area
2.397378567415E+19
Volume
7.9868964168462E+27
Space diagonal
3462209242.2433
Perimeter
5996722314
Area
1.7301589515581E+18
Altitude
1731104621.1217
Surface area
1.7301589515581E+18
Volume
9.4126476949774E+26
Height
942294002.91602