1689865981 (number)

1689865981 is an odd 10-digits composite number following 1689865980 and preceding 1689865982. In scientific notation, it is written as 1.689865981 × 10^9. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 1662163200 positive integers (up to 1689865981) that are relatively prime to 1689865981.

Interesting facts

Basic properties

Name

Name one billion six hundred eighty-nine million eight hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.689865981 × 10^9
Engineering notation 1.689865981 × 10^9

Prime Factorization of 1689865981

Prime Factorization 61 × 27702721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1689865981
Product of the distinct prime numbers

The prime factorization of 1689865981 is 61 × 27702721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 57, 80, 411, 607, 1899, 337, 61788, 43793, 739337, 537703, 2728042, 4350605, 49788471, 72847018, 952581052, 457638688, 6443404487, 7156047136

Basic calculations (n = 1689865981)

Multiplication

n×y
n×2 3379731962
n×3 5069597943
n×4 6759463924
n×5 8449329905

Division

n÷y
n÷2 844932990.5
n÷3 563288660.33333
n÷3 422466495.25
n÷5 337973196.2

Exponentiation

ny
n2 2855647033741092361
n3 4.8256607760626E+27
n4 8.1547199813143E+36
n5 1.3780383881004E+46

Nth Root

y√n
2√n 41107.979529527
3√n 1191.1069381352
4√n 202.75102843026
5√n 70.076185346858

Divisors of 1689865981

1, 61, 27702721, 1689865981

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 -1689865980
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 1689865981 can be divided by 4 positive divisors. The sum of these divisors (counting 1689865981) is 1, the average is 0.25.

Base conversion 1689865981

Base System Value
2 Binary 1100100101110010100111011111101
3 Ternary 11100202210002022221
4 Quaternary 1210232110323331
5 Quinary 11430101202411
6 Senary 435403405341
8 Octal 14456247375
10 Decimal 1689865981
12 Duodecimal 3b1b23851
16 Hexadecimal 64b94efd
20 Vigesimal 1681d4j1
36 Base36 ry3oxp

Cryptographic Hash Functions

md5 ce6e46763ce102956fbc55ec7bdd11e2
sha1 a9449818cbc1089ded19e26ead042503cc166ce0
sha256 d5a11eeb3677a22b71d08620eedc3dddc77924db3cf9cdf8884c4fe7490fe88d
sha512 833c4ef3388194c47fad61c5b74b8cfe0e318e25bce8be164cd4c6269587986459820c054f6bff63dd37fcc69a688eb8523576a9b04984c6a081123f7a4cf394
ripemd-160 86e9acab7de671ace03c8f0d47e7fec07a35a41c

1689865981 as geometric shapes

Circle

Radius = n
Diameter 3379731962
Circumference 10617741102.922
Area 8.9712797424465E+18

Sphere

Radius = n
Volume 2.0213680590393E+28
Surface area 3.5885118969786E+19
Circumference 10617741102.922

Square

Length = n
Perimeter 6759463924
Area 2855647033741092361
Diagonal 2389831388.9231

Cube

Length = n
Surface area 1.7133882202447E+19
Volume 4.8256607760626E+27
Space diagonal 2926933737.0742

Equilateral Triangle

Length = n
Perimeter 5069597943
Area 1.2365314377307E+18
Altitude 1463466868.5371

Triangular Pyramid

Length = n
Surface area 1.2365314377307E+18
Volume 5.6870957640997E+26
Height 796610462.97437