72661 (number)

72661 is an odd 5-digits prime number following 72660 and preceding 72662. In scientific notation, it is written as 7.2661 × 10^4. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 72660 positive integers (up to 72661) that are relatively prime to 72661.

Interesting facts

Basic properties

Name

Name seventy-two thousand six hundred sixty-one

Notation

Scientific notation 7.2661 × 10^4
Engineering notation 7.2661 × 10^3

Prime Factorization of 72661

Prime Factorization 72661

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 72661
Product of the distinct prime numbers

The prime factorization of 72661 is 72661. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 11, 49, 609, 96, 9271, 314, 86025, 76211, 111226, 627605, 2331688, 6253544, 28848679, 71900141, 586876933, 612243965, 3911593970, 4555309697

Basic calculations (n = 72661)

Multiplication

n×y
n×2 145322
n×3 217983
n×4 290644
n×5 363305

Division

n÷y
n÷2 36330.5
n÷3 24220.333333333
n÷3 18165.25
n÷5 14532.2

Exponentiation

ny
n2 5279620921
n3 383622535740781
n4 2.7874397069461E+19
n5 2.0253815654641E+24

Nth Root

y√n
2√n 269.55704405561
3√n 41.728597681357
4√n 16.418192472243
5√n 9.3812405932618

Divisors of 72661

1, 72661

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 72662
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 36331
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 269.55889894418
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999724752966
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 72661 can be divided by 2 positive divisors. The sum of these divisors (counting 72661) is 72662, the average is 36331.

Base conversion 72661

Base System Value
2 Binary 10001101111010101
3 Ternary 10200200011
4 Quaternary 101233111
5 Quinary 4311121
6 Senary 1320221
8 Octal 215725
10 Decimal 72661
12 Duodecimal 36071
16 Hexadecimal 11bd5
20 Vigesimal 91d1
36 Base36 1k2d

Cryptographic Hash Functions

md5 30726029199de811d86b57d0fd8b5b1d
sha1 227dffc180ec3110ea18ec92c2fc9e513d0f4f29
sha256 db98710e0db7ff7f6054e6b37db69de022148c540f0a9d8263316b0836c4b03c
sha512 89cc58e1f14a19a5594fd3641bfa71f08777b4a3f5366131fb6e1a712abc1e49479b8e73f3db3fd4964e59f8d01b12c44a93bd2094633419cf6626cf4a3bb016
ripemd-160 210cf70ba8773bd04d5839a408ce7e11292c99b0

72661 as geometric shapes

Circle

Radius = n
Diameter 145322
Circumference 456542.52760498
Area 16586418299.153

Sphere

Radius = n
Volume 1.6069143200463E+15
Surface area 66345673196.61
Circumference 456542.52760498

Square

Length = n
Perimeter 290644
Area 5279620921
Diagonal 102758.17165559

Cube

Length = n
Surface area 31677725526
Volume 383622535740781
Space diagonal 125852.54372876

Equilateral Triangle

Length = n
Perimeter 217983
Area 2286142919.9689
Altitude 62926.271864381

Triangular Pyramid

Length = n
Surface area 2286142919.9689
Volume 45210349406381
Height 34252.723885197