155405961 (number)

155405961 is an odd 9-digits composite number following 155405960 and preceding 155405962. In scientific notation, it is written as 1.55405961 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 103429656 positive integers (up to 155405961) that are relatively prime to 155405961.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million four hundred five thousand nine hundred sixty-one

Notation

Scientific notation 1.55405961 × 10^8
Engineering notation 1.55405961 × 10^6

Prime Factorization of 155405961

Prime Factorization 9 × 607 × 28447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 155405961
Product of the distinct prime numbers

The prime factorization of 155405961 is 9 × 607 × 28447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155405961)

Multiplication

n×y
n×2 310811922
n×3 466217883
n×4 621623844
n×5 777029805

Division

n÷y
n÷2 77702980.5
n÷3 51801987
n÷3 38851490.25
n÷5 31081192.2

Exponentiation

ny
n2 24151012714333521
n3 3.7532113399942E+24
n4 5.832714151279E+32
n5 9.0643854791781E+40

Nth Root

y√n
2√n 12466.19272272
3√n 537.63709327989
4√n 111.65210576931
5√n 43.480400391515

Divisors of 155405961

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 -155405960
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 155405961 can be divided by 8 positive divisors. The sum of these divisors (counting 155405961) is 1, the average is 0.125.

Base conversion 155405961

Base System Value
2 Binary 1001010000110100111010001001
3 Ternary 101211102102220100
4 Quaternary 21100310322021
5 Quinary 304240442321
6 Senary 23230520013
8 Octal 1120647211
10 Decimal 155405961
12 Duodecimal 44066009
16 Hexadecimal 9434e89
20 Vigesimal 28b5ei1
36 Base36 2kiw09

Cryptographic Hash Functions

md5 4e3230e7aa2892b16ffb05bf0ca2e409
sha1 db643ae812d022ea9520d0ac3332f8de9fa882c4
sha256 ec82a6285dd494ba31ada20c3463dd45745c77c886be969fc11eab26fb5c563a
sha512 922d7beaae82bd96169a8d7223147bfc748aa19fa55e29aca469d482fc23d67ef8012f8cf629395f32b9637416f992d950eddb60bb2152a2d9f22f355a4acc87
ripemd-160 f447bf451d3b81183299c69f8180c51e922b54e4

155405961 as geometric shapes

Circle

Radius = n
Diameter 310811922
Circumference 976444450.80332
Area 7.5872644120104E+16

Sphere

Radius = n
Volume 1.5721414897461E+25
Surface area 3.0349057648042E+17
Circumference 976444450.80332

Square

Length = n
Perimeter 621623844
Area 24151012714333521
Diagonal 219777217.71982

Cube

Length = n
Surface area 144906076286001126
Volume 3.7532113399942E+24
Space diagonal 269171020.25107

Equilateral Triangle

Length = n
Perimeter 466217883
Area 1.0457695268867E+16
Altitude 134585510.12553

Triangular Pyramid

Length = n
Surface area 1.0457695268867E+16
Volume 4.4232019828936E+23
Height 73259072.573275