261972642 (number)

261972642 is an even 9-digits composite number following 261972641 and preceding 261972643. In scientific notation, it is written as 2.61972642 × 10^8. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 85234688 positive integers (up to 261972642) that are relatively prime to 261972642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.61972642 × 10^8
Engineering notation 2.61972642 × 10^6

Prime Factorization of 261972642

Prime Factorization 2 × 3 × 47 × 449 × 2069

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 261972642
Product of the distinct prime numbers

The prime factorization of 261972642 is 2 × 3 × 47 × 449 × 2069. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 6, 82, 58, 533, 788, 5369, 3096, 91733, 33202, 612371, 191309, 9271221, 9585100, 39866285, 88037468, 840892226, 993414549, 7911585872, 3450736773

Basic calculations (n = 261972642)

Multiplication

n×y
n×2 523945284
n×3 785917926
n×4 1047890568
n×5 1309863210

Division

n÷y
n÷2 130986321
n÷3 87324214
n÷3 65493160.5
n÷5 52394528.4

Exponentiation

ny
n2 68629665156460164
n3 1.7979094700613E+25
n4 4.7100309394878E+33
n5 1.2338992491194E+42

Nth Root

y√n
2√n 16185.568942734
3√n 639.86051810606
4√n 127.22251743592
5√n 48.267097979608

Divisors of 261972642

1, 2, 3, 6, 47, 94, 141, 282, 449, 898, 1347, 2069, 2694, 4138, 6207, 12414, 21103, 42206, 63309, 97243, 126618, 194486, 291729, 583458, 928981, 1857962, 2786943, 5573886, 43662107, 87324214, 130986321, 261972642

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 -261972641
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 261972642 can be divided by 32 positive divisors. The sum of these divisors (counting 261972642) is 1, the average is 0.03125.

Base conversion 261972642

Base System Value
2 Binary 1111100111010110001010100010
3 Ternary 200020221120220110
4 Quaternary 33213112022202
5 Quinary 1014031111032
6 Senary 41554552150
8 Octal 1747261242
10 Decimal 261972642
12 Duodecimal 73898656
16 Hexadecimal f9d62a2
20 Vigesimal 41h6bc2
36 Base36 4byzdu

Cryptographic Hash Functions

md5 993bafa1a2fef625bc52ffb85b25b88a
sha1 b8c7d7d81c929ccf047a33bad2a6df2d667721e9
sha256 a09e511fbdb0620875d7a99f06d004b9f4357712cc6b0461cd7951ab29aa3139
sha512 e07e3ec53269f4839defd1349f4d903d8078ad202d53294f86f43902fec592b1b522d5cbbf54677aeb41de3ca5157b8a597878f8a93b581db09b1fa6c8567f82
ripemd-160 2d6cb9f9c06d302cfd0daaf60e2e6c4084959f6f

261972642 as geometric shapes

Circle

Radius = n
Diameter 523945284
Circumference 1646022655.0974
Area 2.1560645187386E+17

Sphere

Radius = n
Volume 7.5310655772856E+25
Surface area 8.6242580749545E+17
Circumference 1646022655.0974

Square

Length = n
Perimeter 1047890568
Area 68629665156460164
Diagonal 370485263.28711

Cube

Length = n
Surface area 411777990938760984
Volume 1.7979094700613E+25
Space diagonal 453749926.13705

Equilateral Triangle

Length = n
Perimeter 785917926
Area 2.9717516739357E+16
Altitude 226874963.06853

Triangular Pyramid

Length = n
Surface area 2.9717516739357E+16
Volume 2.1188566303998E+24
Height 123495087.76237