261445842 (number)

261445842 is an even 9-digits composite number following 261445841 and preceding 261445843. In scientific notation, it is written as 2.61445842 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 74698776 positive integers (up to 261445842) that are relatively prime to 261445842.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million four hundred forty-five thousand eight hundred forty-two

Notation

Scientific notation 2.61445842 × 10^8
Engineering notation 2.61445842 × 10^6

Prime Factorization of 261445842

Prime Factorization 2 × 3 × 21 × 2074967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 261445842
Product of the distinct prime numbers

The prime factorization of 261445842 is 2 × 3 × 21 × 2074967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 37, 89, 818, 237, 1980, 297, 17099, 95163, 120530, 173138, 7398700, 822896, 82576005, 20479352, 608265003, 597832862, 4493865447, 545521033

Basic calculations (n = 261445842)

Multiplication

n×y
n×2 522891684
n×3 784337526
n×4 1045783368
n×5 1307229210

Division

n÷y
n÷2 130722921
n÷3 87148614
n÷3 65361460.5
n÷5 52289168.4

Exponentiation

ny
n2 68353928299088964
n3 1.7870850338163E+25
n4 4.672259513917E+33
n5 1.2215428226585E+42

Nth Root

y√n
2√n 16169.286997267
3√n 639.43133242913
4√n 127.15851130486
5√n 48.247670313993

Divisors of 261445842

1, 2, 3, 6, 21, 42, 63, 126, 2074967, 4149934, 6224901, 12449802, 43574307, 87148614, 130722921, 261445842

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 -261445841
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 261445842 can be divided by 16 positive divisors. The sum of these divisors (counting 261445842) is 1, the average is 0.0625.

Base conversion 261445842

Base System Value
2 Binary 1111100101010101100011010010
3 Ternary 200012221211021100
4 Quaternary 33211111203102
5 Quinary 1013412231332
6 Senary 41535405230
8 Octal 1745254322
10 Decimal 261445842
12 Duodecimal 73683816
16 Hexadecimal f9558d2
20 Vigesimal 41e0ec2
36 Base36 4bnowi

Cryptographic Hash Functions

md5 518b59406a8336c5ba8369076c353280
sha1 332f60146e8f06fa4bd38e7c03a2f965a63f9872
sha256 c8a9dfd47e0abadbb6c82877082470ee566511a9ea3e1c483e34fa8bd1afc0ac
sha512 dadb340b79fc67453af39560018369682a8e2879c28115039b6133f2499182a58ac8eef4e71f0a23849fe4a4dcb7dec77d93a6cbaba47875f91c3e123cbe197b
ripemd-160 41ddf7a164d816b01159b971cde83288e7a07de3

261445842 as geometric shapes

Circle

Radius = n
Diameter 522891684
Circumference 1642712673.0776
Area 2.1474019898842E+17

Sphere

Radius = n
Volume 7.48572428477E+25
Surface area 8.5896079595369E+17
Circumference 1642712673.0776

Square

Length = n
Perimeter 1045783368
Area 68353928299088964
Diagonal 369740255.58245

Cube

Length = n
Surface area 410123569794533784
Volume 1.7870850338163E+25
Space diagonal 452837481.77163

Equilateral Triangle

Length = n
Perimeter 784337526
Area 2.9598119177736E+16
Altitude 226418740.88581

Triangular Pyramid

Length = n
Surface area 2.9598119177736E+16
Volume 2.1060999099475E+24
Height 123246751.86082