261738145 (number)

261738145 is an odd 9-digits composite number following 261738144 and preceding 261738146. In scientific notation, it is written as 2.61738145 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 209390512 positive integers (up to 261738145) that are relatively prime to 261738145.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million seven hundred thirty-eight thousand one hundred forty-five

Notation

Scientific notation 2.61738145 × 10^8
Engineering notation 2.61738145 × 10^6

Prime Factorization of 261738145

Prime Factorization 5 × 52347629

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261738145
Product of the distinct prime numbers

The prime factorization of 261738145 is 5 × 52347629. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 73, 54, 52, 291, 3064, 1725, 48011, 18314, 328856, 431952, 3578656, 1809892, 85957862, 7175462, 447761563, 372263575, 5526154516, 2931986855

Basic calculations (n = 261738145)

Multiplication

n×y
n×2 523476290
n×3 785214435
n×4 1046952580
n×5 1308690725

Division

n÷y
n÷2 130869072.5
n÷3 87246048.333333
n÷3 65434536.25
n÷5 52347629

Exponentiation

ny
n2 68506856548041025
n3 1.7930857552665E+25
n4 4.6931893940939E+33
n5 1.2283866861438E+42

Nth Root

y√n
2√n 16178.323306202
3√n 639.66954375776
4√n 127.19403801359
5√n 48.258453913319

Divisors of 261738145

1, 5, 52347629, 261738145

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261738144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261738145 can be divided by 4 positive divisors. The sum of these divisors (counting 261738145) is 1, the average is 0.25.

Base conversion 261738145

Base System Value
2 Binary 1111100110011100111010100001
3 Ternary 200020111200020101
4 Quaternary 33212130322201
5 Quinary 1014001110040
6 Senary 41545542401
8 Octal 1746347241
10 Decimal 261738145
12 Duodecimal 737a4a01
16 Hexadecimal f99cea1
20 Vigesimal 41fh575
36 Base36 4btyg1

Cryptographic Hash Functions

md5 7e925bee4ad9b819f8af28720fe4de13
sha1 8ef955e7e32bb5a94ac7ac188ae3ea658bc5282b
sha256 29809de930744f5135014375fa6b67822c2c3e27ba239d12279a61da138804f9
sha512 8d4acab76ae60487ea190d7c17d3f7d1c18e5611cecc93592dd50b833ad2862a8736264084da70a8929ffae48154736ad255092c128858ddfde185b3e09510e5
ripemd-160 a475ca0088acba50a20894084b024657270770ab

261738145 as geometric shapes

Circle

Radius = n
Diameter 523476290
Circumference 1644549266.9924
Area 2.1522063725186E+17

Sphere

Radius = n
Volume 7.5108600480025E+25
Surface area 8.6088254900742E+17
Circumference 1644549266.9924

Square

Length = n
Perimeter 1046952580
Area 68506856548041025
Diagonal 370153634.44938

Cube

Length = n
Surface area 411041139288246150
Volume 1.7930857552665E+25
Space diagonal 453343765.41883

Equilateral Triangle

Length = n
Perimeter 785214435
Area 2.966433905201E+16
Altitude 226671882.70941

Triangular Pyramid

Length = n
Surface area 2.966433905201E+16
Volume 2.1131718279966E+24
Height 123384544.81646