155996985 (number)

155996985 is an odd 9-digits composite number following 155996984 and preceding 155996986. In scientific notation, it is written as 1.55996985 × 10^8. The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors. There are 81243648 positive integers (up to 155996985) that are relatively prime to 155996985.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million nine hundred ninety-six thousand nine hundred eighty-five

Notation

Scientific notation 1.55996985 × 10^8
Engineering notation 1.55996985 × 10^6

Prime Factorization of 155996985

Prime Factorization 3 × 5 × 73 × 109 × 1307

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 155996985
Product of the distinct prime numbers

The prime factorization of 155996985 is 3 × 5 × 73 × 109 × 1307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 26, 67, 928, 105, 532, 8283, 36180, 48458, 435095, 680966, 3487338, 9601249, 55784880, 94631973, 622148341, 596462955, 1828314529, 403882303

Basic calculations (n = 155996985)

Multiplication

n×y
n×2 311993970
n×3 467990955
n×4 623987940
n×5 779984925

Division

n÷y
n÷2 77998492.5
n÷3 51998995
n÷3 38999246.25
n÷5 31199397

Exponentiation

ny
n2 24335059329090225
n3 3.7961958851342E+24
n4 5.9219511255034E+32
n5 9.2380652089589E+40

Nth Root

y√n
2√n 12489.875299618
3√n 538.31779315518
4√n 111.75811066593
5√n 43.513422234725

Divisors of 155996985

1, 3, 5, 15, 73, 109, 219, 327, 365, 545, 1095, 1307, 1635, 3921, 6535, 7957, 19605, 23871, 39785, 95411, 119355, 142463, 286233, 427389, 477055, 712315, 1431165, 2136945, 10399799, 31199397, 51998995, 155996985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155996984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155996985 can be divided by 32 positive divisors. The sum of these divisors (counting 155996985) is 1, the average is 0.03125.

Base conversion 155996985

Base System Value
2 Binary 1001010011000101001100111001
3 Ternary 101212112110122010
4 Quaternary 21103011030321
5 Quinary 304413400420
6 Senary 23251320133
8 Octal 1123051471
10 Decimal 155996985
12 Duodecimal 442b0049
16 Hexadecimal 94c5339
20 Vigesimal 28ejc95
36 Base36 2kvk1l

Cryptographic Hash Functions

md5 9f6d32ee0698a15c36978e0a31cff447
sha1 e7565e3163421d53fde299a3f90a0799c0e77da3
sha256 cc2a4d2e9ad6414d6c07c1ab6371c401bb49821c137c086ab4209c81ebf3219d
sha512 f6a6eb8b3a7cff0a30f407768500686e7294a66a9e5b2c8f0df8c370ae33a7f8056d33890b975ae99a6b6a94b0a18047cf1b480a6e61092a9e32c66b9411db7c
ripemd-160 6e2c203f77b525a052db37c97eaffed559d28e5e

155996985 as geometric shapes

Circle

Radius = n
Diameter 311993970
Circumference 980157964.11631
Area 7.6450843612942E+16

Sphere

Radius = n
Volume 1.5901468139101E+25
Surface area 3.0580337445177E+17
Circumference 980157964.11631

Square

Length = n
Perimeter 623987940
Area 24335059329090225
Diagonal 220613051.87631

Cube

Length = n
Surface area 146010355974541350
Volume 3.7961958851342E+24
Space diagonal 270194703.84756

Equilateral Triangle

Length = n
Perimeter 467990955
Area 1.0537389790797E+16
Altitude 135097351.92378

Triangular Pyramid

Length = n
Surface area 1.0537389790797E+16
Volume 4.4738597551514E+23
Height 73537683.958771