1998706989 (number)

1998706989 is an odd 10-digits composite number following 1998706988 and preceding 1998706990. In scientific notation, it is written as 1.998706989 × 10^9. The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors. There are 1289488320 positive integers (up to 1998706989) that are relatively prime to 1998706989.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million seven hundred six thousand nine hundred eighty-nine

Notation

Scientific notation 1.998706989 × 10^9
Engineering notation 1.998706989 × 10^9

Prime Factorization of 1998706989

Prime Factorization 3 × 31 × 21491473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1998706989
Product of the distinct prime numbers

The prime factorization of 1998706989 is 3 × 31 × 21491473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998706989)

Multiplication

n×y
n×2 3997413978
n×3 5996120967
n×4 7994827956
n×5 9993534945

Division

n÷y
n÷2 999353494.5
n÷3 666235663
n÷3 499676747.25
n÷5 399741397.8

Exponentiation

ny
n2 3994829627877446121
n3 7.9844938971029E+27
n4 1.5958663755767E+37
n5 3.1896692783753E+46

Nth Root

y√n
2√n 44706.900910262
3√n 1259.6494760657
4√n 211.44006458158
5√n 72.468592462566

Divisors of 1998706989

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 -1998706988
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 1998706989 can be divided by 8 positive divisors. The sum of these divisors (counting 1998706989) is 1, the average is 0.125.

Base conversion 1998706989

Base System Value
2 Binary 1110111001000011101100100101101
3 Ternary 12011021220211112210
4 Quaternary 1313020131210231
5 Quinary 13043132110424
6 Senary 530155121033
8 Octal 16710354455
10 Decimal 1998706989
12 Duodecimal 479443179
16 Hexadecimal 7721d92d
20 Vigesimal 1b4bi799
36 Base36 x1z86l

Cryptographic Hash Functions

md5 3e8cc51b675a5d75aea1337e65d9be8d
sha1 4c1f76941a8e163f862ccb4fdc36f4cf8112aa36
sha256 75f5e637613f6dc90c0cefa65532370c8d1301b67756a8d0135bc21bdc92d565
sha512 6b0d25b63d73193dbafb58c77c05d243c8b5b8ca231aadf9281dc3e5991bb03f9400c65132c4167c2b784216d086a704ff71818ac0b6ee888ebe98795b86ef43
ripemd-160 6005a0500fbabd74b52801d8970e391ee445b1db

1998706989 as geometric shapes

Circle

Radius = n
Diameter 3997413978
Circumference 12558246386.642
Area 1.2550127411283E+19

Sphere

Radius = n
Volume 3.3445369826361E+28
Surface area 5.0200509645131E+19
Circumference 12558246386.642

Square

Length = n
Perimeter 7994827956
Area 3994829627877446121
Diagonal 2826598531.0537

Cube

Length = n
Surface area 2.3968977767265E+19
Volume 7.9844938971029E+27
Space diagonal 3461862054.391

Equilateral Triangle

Length = n
Perimeter 5996120967
Area 1.7298119707663E+18
Altitude 1730931027.1955

Triangular Pyramid

Length = n
Surface area 1.7298119707663E+18
Volume 9.4098162983068E+26
Height 942199510.35123