155989 (number)

155989 is an odd 6-digits composite number following 155988 and preceding 155990. In scientific notation, it is written as 1.55989 × 10^5. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 155200 positive integers (up to 155989) that are relatively prime to 155989.

Interesting facts

Basic properties

Name

Name one hundred fifty-five thousand nine hundred eighty-nine

Notation

Scientific notation 1.55989 × 10^5
Engineering notation 1.55989 × 10^3

Prime Factorization of 155989

Prime Factorization 389 × 401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155989
Product of the distinct prime numbers

The prime factorization of 155989 is 389 × 401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155989)

Multiplication

n×y
n×2 311978
n×3 467967
n×4 623956
n×5 779945

Division

n÷y
n÷2 77994.5
n÷3 51996.333333333
n÷3 38997.25
n÷5 31197.8

Exponentiation

ny
n2 24332568121
n3 3795612968626669
n4 5.9207387136311E+20
n5 9.2357011120059E+25

Nth Root

y√n
2√n 394.95442775085
3√n 53.830860806116
4√n 19.873460386929
5√n 10.929965592377

Divisors of 155989

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 -155988
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 155989 can be divided by 4 positive divisors. The sum of these divisors (counting 155989) is 1, the average is 0.25.

Base conversion 155989

Base System Value
2 Binary 100110000101010101
3 Ternary 21220222101
4 Quaternary 212011111
5 Quinary 14442424
6 Senary 3202101
8 Octal 460525
10 Decimal 155989
12 Duodecimal 76331
16 Hexadecimal 26155
20 Vigesimal j9j9
36 Base36 3cd1

Cryptographic Hash Functions

md5 dddeb7ae59fc0fd59f9b0a9b28e8fd03
sha1 2d703567d4a7dd462ba1b67a6dfa7dbb7bbcd097
sha256 0be2407512cc2a40bfb570464757fd56cd0a1d33f0bf3824dfed4f0119133c12
sha512 bad7e4035a825b7d221252bbbca31ba0924768ba66ded92b35322fdd8e3f1a0a56e55912397d4625bf4b886d7c0c82c55e066abccdbc621c75fd812c63549f65
ripemd-160 04cf92d3d7ca4c7fda7484088d5af3ee4d48030e

155989 as geometric shapes

Circle

Radius = n
Diameter 311978
Circumference 980107.79288164
Area 76443017251.907

Sphere

Radius = n
Volume 1.5899026424144E+16
Surface area 305772069007.63
Circumference 980107.79288164

Square

Length = n
Perimeter 623956
Area 24332568121
Diagonal 220601.75938102

Cube

Length = n
Surface area 145995408726
Volume 3795612968626669
Space diagonal 270180.87342186

Equilateral Triangle

Length = n
Perimeter 467967
Area 10536311066.051
Altitude 135090.43671093

Triangular Pyramid

Length = n
Surface area 10536311066.051
Volume 4.4731727814592E+14
Height 73533.919793672