261972641 (number)

261972641 is an odd 9-digits composite number following 261972640 and preceding 261972642. In scientific notation, it is written as 2.61972641 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 219325680 positive integers (up to 261972641) that are relatively prime to 261972641.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million nine hundred seventy-two thousand six hundred forty-one

Notation

Scientific notation 2.61972641 × 10^8
Engineering notation 2.61972641 × 10^6

Prime Factorization of 261972641

Prime Factorization 7 × 43 × 870341

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261972641
Product of the distinct prime numbers

The prime factorization of 261972641 is 7 × 43 × 870341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 32, 37, 626, 121, 1420, 5664, 68494, 59399, 733348, 555358, 884375, 4804541, 92228529, 33590064, 251798818, 606512996, 3263049355, 6885848199

Basic calculations (n = 261972641)

Multiplication

n×y
n×2 523945282
n×3 785917923
n×4 1047890564
n×5 1309863205

Division

n÷y
n÷2 130986320.5
n÷3 87324213.666667
n÷3 65493160.25
n÷5 52394528.2

Exponentiation

ny
n2 68629664632514881
n3 1.7979094494724E+25
n4 4.7100308675715E+33
n5 1.2338992255692E+42

Nth Root

y√n
2√n 16185.568911842
3√n 639.86051729191
4√n 127.22251731452
5√n 48.267097942759

Divisors of 261972641

1, 7, 43, 301, 870341, 6092387, 37424663, 261972641

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261972640
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261972641 can be divided by 8 positive divisors. The sum of these divisors (counting 261972641) is 1, the average is 0.125.

Base conversion 261972641

Base System Value
2 Binary 1111100111010110001010100001
3 Ternary 200020221120220102
4 Quaternary 33213112022201
5 Quinary 1014031111031
6 Senary 41554552145
8 Octal 1747261241
10 Decimal 261972641
12 Duodecimal 73898655
16 Hexadecimal f9d62a1
20 Vigesimal 41h6bc1
36 Base36 4byzdt

Cryptographic Hash Functions

md5 4e0deeb0605cc70a86c2c2fd529314af
sha1 774bb96b3d06ab74f7d19a09cc95c0531848b9d2
sha256 8ed237db637ca64c5e0f42e2458441acf2c2bc724afb6b7f19fc14620953cb22
sha512 7ce001b7fec9f7b8b8a9b6d2fb6c76c672acf6e2a4636343aa7b13419b1f5f62da04b987befbcd2e4a81c7d357922360c5405e724a2694400136c11122f9ca63
ripemd-160 d220579faa7ed5fc523ffe97b2d9724620eef5bd

261972641 as geometric shapes

Circle

Radius = n
Diameter 523945282
Circumference 1646022648.8142
Area 2.1560645022784E+17

Sphere

Radius = n
Volume 7.531065491043E+25
Surface area 8.6242580091136E+17
Circumference 1646022648.8142

Square

Length = n
Perimeter 1047890564
Area 68629664632514881
Diagonal 370485261.8729

Cube

Length = n
Surface area 411777987795089286
Volume 1.7979094494724E+25
Space diagonal 453749924.405

Equilateral Triangle

Length = n
Perimeter 785917923
Area 2.9717516512482E+16
Altitude 226874962.2025

Triangular Pyramid

Length = n
Surface area 2.9717516512482E+16
Volume 2.1188566061355E+24
Height 123495087.29097