155705945 (number)

155705945 is an odd 9-digits composite number following 155705944 and preceding 155705946. In scientific notation, it is written as 1.55705945 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 122179200 positive integers (up to 155705945) that are relatively prime to 155705945.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million seven hundred five thousand nine hundred forty-five

Notation

Scientific notation 1.55705945 × 10^8
Engineering notation 1.55705945 × 10^6

Prime Factorization of 155705945

Prime Factorization 5 × 131 × 89 × 2671

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 155705945
Product of the distinct prime numbers

The prime factorization of 155705945 is 5 × 131 × 89 × 2671. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 81, 82, 28, 572, 8633, 3842, 65580, 16834, 323660, 675572, 7134830, 9523683, 19124010, 59456678, 158378465, 6288550, 4195404775, 5283539712

Basic calculations (n = 155705945)

Multiplication

n×y
n×2 311411890
n×3 467117835
n×4 622823780
n×5 778529725

Division

n÷y
n÷2 77852972.5
n÷3 51901981.666667
n÷3 38926486.25
n÷5 31141189

Exponentiation

ny
n2 24244341308343025
n3 3.7749880743181E+24
n4 5.8778808547543E+32
n5 9.1522099308692E+40

Nth Root

y√n
2√n 12478.218823214
3√n 537.98280902123
4√n 111.70594802075
5√n 43.497173705456

Divisors of 155705945

1, 5, 89, 131, 445, 655, 2671, 11659, 13355, 58295, 237719, 349901, 1188595, 1749505, 31141189, 155705945

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 -155705944
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 155705945 can be divided by 16 positive divisors. The sum of these divisors (counting 155705945) is 1, the average is 0.0625.

Base conversion 155705945

Base System Value
2 Binary 1001010001111110001001011001
3 Ternary 101211222200101212
4 Quaternary 21101332021121
5 Quinary 304330042240
6 Senary 23241152505
8 Octal 1121761131
10 Decimal 155705945
12 Duodecimal 4418b735
16 Hexadecimal 947e259
20 Vigesimal 28d34h5
36 Base36 2kpbh5

Cryptographic Hash Functions

md5 56b4dbd8aff296483f88eb23f620464d
sha1 c5506f6ab46a0de1b37334d89cde6c6ce70c12e4
sha256 c9f0a46391322486f94960ddde0dcdb8f86e1150a25d84e4981298737cb4a265
sha512 394ff56a4692754671c42bf9999f4f7da6249acc98d6291c9f19d482bd8db487d3682df499d430039393107e8de84c531c6966e767f0f6eb4f349bc56cca03db
ripemd-160 e275c31325addfb56105d0396a2a39b2d96d2e7e

155705945 as geometric shapes

Circle

Radius = n
Diameter 311411890
Circumference 978329305.86451
Area 7.6165844545414E+16

Sphere

Radius = n
Volume 1.5812633068889E+25
Surface area 3.0466337818166E+17
Circumference 978329305.86451

Square

Length = n
Perimeter 622823780
Area 24244341308343025
Diagonal 220201459.16112

Cube

Length = n
Surface area 145466047850058150
Volume 3.7749880743181E+24
Space diagonal 269690607.78053

Equilateral Triangle

Length = n
Perimeter 467117835
Area 1.0498107735523E+16
Altitude 134845303.89026

Triangular Pyramid

Length = n
Surface area 1.0498107735523E+16
Volume 4.4488661104144E+23
Height 73400486.38704