155996978 (number)

155996978 is an even 9-digits composite number following 155996977 and preceding 155996979. In scientific notation, it is written as 1.55996978 × 10^8. The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors. There are 77747380 positive integers (up to 155996978) that are relatively prime to 155996978.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million nine hundred ninety-six thousand nine hundred seventy-eight

Notation

Scientific notation 1.55996978 × 10^8
Engineering notation 1.55996978 × 10^6

Prime Factorization of 155996978

Prime Factorization 2 × 311 × 250799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 155996978
Product of the distinct prime numbers

The prime factorization of 155996978 is 2 × 311 × 250799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 3, 2, 646, 115, 7768, 8045, 77225, 1208, 159303, 236632, 961076, 2732270, 36897247, 66741328, 645995778, 480631288, 2083477825, 8694575066

Basic calculations (n = 155996978)

Multiplication

n×y
n×2 311993956
n×3 467990934
n×4 623987912
n×5 779984890

Division

n÷y
n÷2 77998489
n÷3 51998992.666667
n÷3 38999244.5
n÷5 31199395.6

Exponentiation

ny
n2 24335057145132484
n3 3.796195374098E+24
n4 5.9219500625686E+32
n5 9.2380631362762E+40

Nth Root

y√n
2√n 12489.875019391
3√n 538.31778510327
4√n 111.75810941221
5√n 43.513421844212

Divisors of 155996978

1, 2, 311, 622, 250799, 501598, 77998489, 155996978

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 -155996977
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 155996978 can be divided by 8 positive divisors. The sum of these divisors (counting 155996978) is 1, the average is 0.125.

Base conversion 155996978

Base System Value
2 Binary 1001010011000101001100110010
3 Ternary 101212112110121212
4 Quaternary 21103011030302
5 Quinary 304413400403
6 Senary 23251320122
8 Octal 1123051462
10 Decimal 155996978
12 Duodecimal 442b0042
16 Hexadecimal 94c5332
20 Vigesimal 28ejc8i
36 Base36 2kvk1e

Cryptographic Hash Functions

md5 7e7cb62b0a562f66874424035559f3fa
sha1 69838bfab3d4fa033b6b7d85ed27835a79cf4dce
sha256 2e0fc2ec6c3a939c006509041dadde75b216e5ebfce0f92f4ff2b7da5f832709
sha512 13b09aa89b96fcca48c5fb3e092c69aab76156b2abddce2c4c7d47f48d0801e06f84c380bcf25b79aaeafdc1a2c543d6b42191d4a9bf4fb08bfd87b5dd906357
ripemd-160 349a7a54436952fd683538c6986789a7ccd682f1

155996978 as geometric shapes

Circle

Radius = n
Diameter 311993956
Circumference 980157920.13402
Area 7.6450836751836E+16

Sphere

Radius = n
Volume 1.5901465998477E+25
Surface area 3.0580334700734E+17
Circumference 980157920.13402

Square

Length = n
Perimeter 623987912
Area 24335057145132484
Diagonal 220613041.97682

Cube

Length = n
Surface area 146010342870794904
Volume 3.796195374098E+24
Space diagonal 270194691.7232

Equilateral Triangle

Length = n
Perimeter 467990934
Area 1.0537388845115E+16
Altitude 135097345.8616

Triangular Pyramid

Length = n
Surface area 1.0537388845115E+16
Volume 4.4738591528895E+23
Height 73537680.658939