155990431 (number)

155990431 is an odd 9-digits composite number following 155990430 and preceding 155990432. In scientific notation, it is written as 1.55990431 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 155597112 positive integers (up to 155990431) that are relatively prime to 155990431.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million nine hundred ninety thousand four hundred thirty-one

Notation

Scientific notation 1.55990431 × 10^8
Engineering notation 1.55990431 × 10^6

Prime Factorization of 155990431

Prime Factorization 397 × 392923

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155990431
Product of the distinct prime numbers

The prime factorization of 155990431 is 397 × 392923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 46, 67, 923, 943, 8833, 1427, 45394, 14139, 551639, 209896, 1959539, 9618468, 4451852, 9630415, 384529422, 986142228, 3766074545, 1528302614

Basic calculations (n = 155990431)

Multiplication

n×y
n×2 311980862
n×3 467971293
n×4 623961724
n×5 779952155

Division

n÷y
n÷2 77995215.5
n÷3 51996810.333333
n÷3 38997607.75
n÷5 31198086.2

Exponentiation

ny
n2 24333014563565761
n3 3.7957174292999E+24
n4 5.920955977507E+32
n5 9.2361247486335E+40

Nth Root

y√n
2√n 12489.612924346
3√n 538.31025415429
4√n 111.75693680639
5√n 43.513056597194

Divisors of 155990431

1, 397, 392923, 155990431

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 -155990430
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 155990431 can be divided by 4 positive divisors. The sum of these divisors (counting 155990431) is 1, the average is 0.25.

Base conversion 155990431

Base System Value
2 Binary 1001010011000011100110011111
3 Ternary 101212112010122101
4 Quaternary 21103003212133
5 Quinary 304413143211
6 Senary 23251225531
8 Octal 1123034637
10 Decimal 155990431
12 Duodecimal 442a82a7
16 Hexadecimal 94c399f
20 Vigesimal 28eig1b
36 Base36 2kvezj

Cryptographic Hash Functions

md5 c48899e7601cd0afb8ff45c79126ba6b
sha1 66e8d77d4b1431d6d57ca717b74eb0455b60afeb
sha256 e0b977a1f0737732e88e288e8885f551ced375b5d6a6859dbde1fab073c04410
sha512 61c21811b1d4457691c3a4cc70a18beb7c10d9b85b816754fbe7d9c9a75251fb00994c12c3b8e84214fb669e08c6af213b540633e61ea5ce840c00c5d1602fbb
ripemd-160 c93cd8c3ac7668046c425c72ea152a7a76b460a3

155990431 as geometric shapes

Circle

Radius = n
Diameter 311980862
Circumference 980116784.11981
Area 7.6444419792592E+16

Sphere

Radius = n
Volume 1.5899463987988E+25
Surface area 3.0577767917037E+17
Circumference 980116784.11981

Square

Length = n
Perimeter 623961724
Area 24333014563565761
Diagonal 220603783.12062

Cube

Length = n
Surface area 145998087381394566
Volume 3.7957174292999E+24
Space diagonal 270183351.98657

Equilateral Triangle

Length = n
Perimeter 467971293
Area 1.0536504381352E+16
Altitude 135091675.99328

Triangular Pyramid

Length = n
Surface area 1.0536504381352E+16
Volume 4.4732958895432E+23
Height 73534594.373542