155087961 (number)

155087961 is an odd 9-digits composite number following 155087960 and preceding 155087962. In scientific notation, it is written as 1.55087961 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 88375824 positive integers (up to 155087961) that are relatively prime to 155087961.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million eighty-seven thousand nine hundred sixty-one

Notation

Scientific notation 1.55087961 × 10^8
Engineering notation 1.55087961 × 10^6

Prime Factorization of 155087961

Prime Factorization 3 × 7 × 367 × 20123

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 155087961
Product of the distinct prime numbers

The prime factorization of 155087961 is 3 × 7 × 367 × 20123. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155087961)

Multiplication

n×y
n×2 310175922
n×3 465263883
n×4 620351844
n×5 775439805

Division

n÷y
n÷2 77543980.5
n÷3 51695987
n÷3 38771990.25
n÷5 31017592.2

Exponentiation

ny
n2 24052275647137521
n3 3.7302183875245E+24
n4 5.7851196380588E+32
n5 8.972024088076E+40

Nth Root

y√n
2√n 12453.431695721
3√n 537.27012892764
4√n 111.59494475881
5√n 43.462591424112

Divisors of 155087961

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155087960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155087961 can be divided by 16 positive divisors. The sum of these divisors (counting 155087961) is 1, the average is 0.0625.

Base conversion 155087961

Base System Value
2 Binary 1001001111100111010001011001
3 Ternary 101210211021200120
4 Quaternary 21033213101121
5 Quinary 304200303321
6 Senary 23220023453
8 Octal 1117472131
10 Decimal 155087961
12 Duodecimal 43b31b89
16 Hexadecimal 93e7459
20 Vigesimal 2895ji1
36 Base36 2kc2mx

Cryptographic Hash Functions

md5 a3433dcdad8f8833807d25a82c864034
sha1 7ea7358f5305a6e1ae697f3fc5bc9b2fb076f7f6
sha256 b4369e3cc3190d45d660d399115db09675b6f5c230dd7261fc6eeedf664a97d0
sha512 124cc1388975b2b1a7a16096e0b92f4d71deaa569ebb90c415654416bb4ec0e41d2c99d4e1c02171b21eb72529bb39983d04899c4e228262e4df15876fcafc28
ripemd-160 3f0c46a59d8cb839cf8b8491fdd9b7fdd5faf542

155087961 as geometric shapes

Circle

Radius = n
Diameter 310175922
Circumference 974446397.87564
Area 7.5562452475164E+16

Sphere

Radius = n
Volume 1.5625102243377E+25
Surface area 3.0224980990066E+17
Circumference 974446397.87564

Square

Length = n
Perimeter 620351844
Area 24052275647137521
Diagonal 219327497.80699

Cube

Length = n
Surface area 144313653882825126
Volume 3.7302183875245E+24
Space diagonal 268620228.09426

Equilateral Triangle

Length = n
Perimeter 465263883
Area 1.0414940864623E+16
Altitude 134310114.04713

Triangular Pyramid

Length = n
Surface area 1.0414940864623E+16
Volume 4.3961045285422E+23
Height 73109165.935663