1998454989 (number)

1998454989 is an odd 10-digits composite number following 1998454988 and preceding 1998454990. In scientific notation, it is written as 1.998454989 × 10^9. The sum of its digits is 66. It has a total of 4 prime factors and 16 positive divisors. There are 1251593280 positive integers (up to 1998454989) that are relatively prime to 1998454989.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million four hundred fifty-four thousand nine hundred eighty-nine

Notation

Scientific notation 1.998454989 × 10^9
Engineering notation 1.998454989 × 10^9

Prime Factorization of 1998454989

Prime Factorization 3 × 37 × 29 × 620831

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998454989
Product of the distinct prime numbers

The prime factorization of 1998454989 is 3 × 37 × 29 × 620831. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 41, 89, 173, 906, 1351, 9362, 72983, 79899, 816814, 220688, 3973984, 1459780, 31818842, 59196800, 872443890, 891005501, 8041444665, 4086654382

Basic calculations (n = 1998454989)

Multiplication

n×y
n×2 3996909978
n×3 5995364967
n×4 7993819956
n×5 9992274945

Division

n÷y
n÷2 999227494.5
n÷3 666151663
n÷3 499613747.25
n÷5 399690997.8

Exponentiation

ny
n2 3993822343058990121
n3 7.9814741866659E+27
n4 1.5950616907917E+37
n5 3.1876589937255E+46

Nth Root

y√n
2√n 44704.08246458
3√n 1259.596534337
4√n 211.43339959567
5√n 72.466764980452

Divisors of 1998454989

1, 3, 29, 37, 87, 111, 1073, 3219, 620831, 1862493, 18004099, 22970747, 54012297, 68912241, 666151663, 1998454989

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998454988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998454989 can be divided by 16 positive divisors. The sum of these divisors (counting 1998454989) is 1, the average is 0.0625.

Base conversion 1998454989

Base System Value
2 Binary 1110111000111100000000011001101
3 Ternary 12011021110000212110
4 Quaternary 1313013200003031
5 Quinary 13043101024424
6 Senary 530145454233
8 Octal 16707400315
10 Decimal 1998454989
12 Duodecimal 479341379
16 Hexadecimal 771e00cd
20 Vigesimal 1b4a6h99
36 Base36 x1ttql

Cryptographic Hash Functions

md5 69b3b7c1b3f5cbfa8ada0445ad4090ad
sha1 ec9d6c776e1aac55b5538cb0e39d7cb0357e18cc
sha256 8c1176a4afaa896cf3bae6a2f4c9f2b324ea265e4c6d4af84733d9d972b70dc3
sha512 21d27cb0f5d827e6e8d46eb816fef305138e0c03f788edab632032df48119229f2ae140239176bac5049f564042bbd6479f82fb541e23b8228de37a5d305ba35
ripemd-160 a2d9e0dab70c1c805b6a11ec5ebc8c2cfc3d83cb

1998454989 as geometric shapes

Circle

Radius = n
Diameter 3996909978
Circumference 12556663023.945
Area 1.2546962932697E+19

Sphere

Radius = n
Volume 3.3432720892862E+28
Surface area 5.0187851730788E+19
Circumference 12556663023.945

Square

Length = n
Perimeter 7993819956
Area 3993822343058990121
Diagonal 2826242149.236

Cube

Length = n
Surface area 2.3962934058354E+19
Volume 7.9814741866659E+27
Space diagonal 3461425577.5875

Equilateral Triangle

Length = n
Perimeter 5995364967
Area 1.7293758036455E+18
Altitude 1730712788.7938

Triangular Pyramid

Length = n
Surface area 1.7293758036455E+18
Volume 9.4062575354281E+26
Height 942080716.41199