261377985 (number)

261377985 is an odd 9-digits composite number following 261377984 and preceding 261377986. In scientific notation, it is written as 2.61377985 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 124646400 positive integers (up to 261377985) that are relatively prime to 261377985.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred seventy-seven thousand nine hundred eighty-five

Notation

Scientific notation 2.61377985 × 10^8
Engineering notation 2.61377985 × 10^6

Prime Factorization of 261377985

Prime Factorization 5 × 3 × 11 × 61 × 25969

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 261377985
Product of the distinct prime numbers

The prime factorization of 261377985 is 5 × 3 × 11 × 61 × 25969. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 6, 38, 175, 26, 8109, 6164, 75154, 37306, 408688, 719874, 1573083, 8241805, 1500587, 9086935, 222035620, 544620527, 5956806380, 124426966

Basic calculations (n = 261377985)

Multiplication

n×y
n×2 522755970
n×3 784133955
n×4 1045511940
n×5 1306889925

Division

n÷y
n÷2 130688992.5
n÷3 87125995
n÷3 65344496.25
n÷5 52275597

Exponentiation

ny
n2 68318451042660225
n3 1.7856939071852E+25
n4 4.6674107528684E+33
n5 1.2199584177521E+42

Nth Root

y√n
2√n 16167.188531096
3√n 639.37600720892
4√n 127.150259658
5√n 48.245165564186

Divisors of 261377985

1, 3, 5, 11, 15, 33, 55, 61, 165, 183, 305, 671, 915, 2013, 3355, 10065, 25969, 77907, 129845, 285659, 389535, 856977, 1428295, 1584109, 4284885, 4752327, 7920545, 17425199, 23761635, 52275597, 87125995, 261377985

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 -261377984
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 261377985 can be divided by 32 positive divisors. The sum of these divisors (counting 261377985) is 1, the average is 0.03125.

Base conversion 261377985

Base System Value
2 Binary 1111100101000100111111000001
3 Ternary 200012211101012010
4 Quaternary 33211010333001
5 Quinary 1013403043420
6 Senary 41534123133
8 Octal 1745047701
10 Decimal 261377985
12 Duodecimal 736504a9
16 Hexadecimal f944fc1
20 Vigesimal 41dc4j5
36 Base36 4bm8jl

Cryptographic Hash Functions

md5 f4407fadcd749b26d704f597fa919e39
sha1 06f0c8955c59f1fef40734cee768677fd1bfe884
sha256 040ea0fa54834e7ec118a09695ec8ea3fff8b5ab395fd7d5d5b4839bbb045f00
sha512 4aada4227909ec2afd0c69d244dfb4006ba420a53bf44f784c4e43204041249fcd5c119b8d8fe5af0a6b709f4e912dba8806e67917743577915b4639ac9a8a42
ripemd-160 dde368838a077895294590ac9b979d09b9b75433

261377985 as geometric shapes

Circle

Radius = n
Diameter 522755970
Circumference 1642286314.9722
Area 2.1462874390026E+17

Sphere

Radius = n
Volume 7.479897147164E+25
Surface area 8.5851497560102E+17
Circumference 1642286314.9722

Square

Length = n
Perimeter 1045511940
Area 68318451042660225
Diagonal 369644291.29275

Cube

Length = n
Surface area 409910706255961350
Volume 1.7856939071852E+25
Space diagonal 452719949.99998

Equilateral Triangle

Length = n
Perimeter 784133955
Area 2.9582757075074E+16
Altitude 226359974.99999

Triangular Pyramid

Length = n
Surface area 2.9582757075074E+16
Volume 2.1044604514902E+24
Height 123214763.76425