261377891 (number)

261377891 is an odd 9-digits composite number following 261377890 and preceding 261377892. In scientific notation, it is written as 2.61377891 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 261175992 positive integers (up to 261377891) that are relatively prime to 261377891.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred seventy-seven thousand eight hundred ninety-one

Notation

Scientific notation 2.61377891 × 10^8
Engineering notation 2.61377891 × 10^6

Prime Factorization of 261377891

Prime Factorization 1303 × 200597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261377891
Product of the distinct prime numbers

The prime factorization of 261377891 is 1303 × 200597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 26, 48, 535, 574, 6665, 6301, 93952, 71143, 761022, 678130, 2996758, 7037495, 62453453, 95032346, 128654519, 830644777, 3612399779, 3600676746

Basic calculations (n = 261377891)

Multiplication

n×y
n×2 522755782
n×3 784133673
n×4 1045511564
n×5 1306889455

Division

n÷y
n÷2 130688945.5
n÷3 87125963.666667
n÷3 65344472.75
n÷5 52275578.2

Exponentiation

ny
n2 68318401903607881
n3 1.7856919806055E+25
n4 4.6674040386629E+33
n5 1.2199562240706E+42

Nth Root

y√n
2√n 16167.185623973
3√n 639.37593056212
4√n 127.15024822616
5√n 48.245162094081

Divisors of 261377891

1, 1303, 200597, 261377891

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 -261377890
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 261377891 can be divided by 4 positive divisors. The sum of these divisors (counting 261377891) is 1, the average is 0.25.

Base conversion 261377891

Base System Value
2 Binary 1111100101000100111101100011
3 Ternary 200012211101001122
4 Quaternary 33211010331203
5 Quinary 1013403043031
6 Senary 41534122455
8 Octal 1745047543
10 Decimal 261377891
12 Duodecimal 7365042b
16 Hexadecimal f944f63
20 Vigesimal 41dc4eb
36 Base36 4bm8gz

Cryptographic Hash Functions

md5 4a67982d4662abd3832c9948847389bc
sha1 678363713ac99d449f8ce78149736ce2d57dd2a8
sha256 df1198adde652e05fe6cc1aed63968e7d21d1171a71dc8bff31bf907bd430a7d
sha512 ef3e572930542ff78fabbeab6bd42a59ea6c01dcf956f05d0e284b014848516d1930887199d4c367ddc166b3bb74472dec18c263f2e055e55f9c220fc15fbf07
ripemd-160 798e4eed9ed83ea0acf55c71a158090fbc130c9e

261377891 as geometric shapes

Circle

Radius = n
Diameter 522755782
Circumference 1642285724.3528
Area 2.1462858952537E+17

Sphere

Radius = n
Volume 7.4798890771261E+25
Surface area 8.5851435810148E+17
Circumference 1642285724.3528

Square

Length = n
Perimeter 1045511564
Area 68318401903607881
Diagonal 369644158.35668

Cube

Length = n
Surface area 409910411421647286
Volume 1.7856919806055E+25
Space diagonal 452719787.1872

Equilateral Triangle

Length = n
Perimeter 784133673
Area 2.958273579724E+16
Altitude 226359893.5936

Triangular Pyramid

Length = n
Surface area 2.958273579724E+16
Volume 2.1044581809944E+24
Height 123214719.45223