123989 (number)

123989 is an odd 6-digits prime number following 123988 and preceding 123990. In scientific notation, it is written as 1.23989 × 10^5. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 123988 positive integers (up to 123989) that are relatively prime to 123989.

Interesting facts

Basic properties

Name

Name one hundred twenty-three thousand nine hundred eighty-nine

Notation

Scientific notation 1.23989 × 10^5
Engineering notation 1.23989 × 10^3

Prime Factorization of 123989

Prime Factorization 123989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 123989
Product of the distinct prime numbers

The prime factorization of 123989 is 123989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 123989)

Multiplication

n×y
n×2 247978
n×3 371967
n×4 495956
n×5 619945

Division

n÷y
n÷2 61994.5
n÷3 41329.666666667
n÷3 30997.25
n÷5 24797.8

Exponentiation

ny
n2 15373272121
n3 1906116637010669
n4 2.3633749570632E+20
n5 2.930324975513E+25

Nth Root

y√n
2√n 352.12071793633
3√n 49.864834937372
4√n 18.764879907325
5√n 10.439426272416

Divisors of 123989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 123990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 61995
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 352.12213790104
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999838696669
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 123989 can be divided by 2 positive divisors. The sum of these divisors (counting 123989) is 123990, the average is 61995.

Base conversion 123989

Base System Value
2 Binary 11110010001010101
3 Ternary 20022002012
4 Quaternary 132101111
5 Quinary 12431424
6 Senary 2354005
8 Octal 362125
10 Decimal 123989
12 Duodecimal 5b905
16 Hexadecimal 1e455
20 Vigesimal f9j9
36 Base36 2no5

Cryptographic Hash Functions

md5 ed6a1f72da15eb8caeb64da61bb75c15
sha1 f024cddaeda993f65759ce1e47a7ab50e7569224
sha256 521c52f681a55eecd7e4dd6ad212602f04da34182747fab7a2d4c2a0feab4260
sha512 3558a44fabacb9209a5b780b5f1843c77a307a5f7ab57fb1fccc8daa81fd29195d78d982dd3d65598aa955e812314e4e0107474a3baa66342aaeb94ecadb1723
ripemd-160 f96ba1536e9145fb1610bb58edcc19e404d5f112

123989 as geometric shapes

Circle

Radius = n
Diameter 247978
Circumference 779045.86305189
Area 48296558756.97

Sphere

Radius = n
Volume 7.9843226982907E+15
Surface area 193186235027.88
Circumference 779045.86305189

Square

Length = n
Perimeter 495956
Area 15373272121
Diagonal 175346.92538508

Cube

Length = n
Surface area 92239632726
Volume 1906116637010669
Space diagonal 214755.24757966

Equilateral Triangle

Length = n
Perimeter 371967
Area 6656822098.0385
Altitude 107377.62378983

Triangular Pyramid

Length = n
Surface area 6656822098.0385
Volume 2.2463799996046E+14
Height 58448.975128359