16561321 (number)

16561321 is an odd 8-digits composite number following 16561320 and preceding 16561322. In scientific notation, it is written as 1.6561321 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 13865040 positive integers (up to 16561321) that are relatively prime to 16561321.

Interesting facts

Basic properties

Name

Name sixteen million five hundred sixty-one thousand three hundred twenty-one

Notation

Scientific notation 1.6561321 × 10^7
Engineering notation 1.6561321 × 10^6

Prime Factorization of 16561321

Prime Factorization 7 × 43 × 55021

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16561321
Product of the distinct prime numbers

The prime factorization of 16561321 is 7 × 43 × 55021. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16561321)

Multiplication

n×y
n×2 33122642
n×3 49683963
n×4 66245284
n×5 82806605

Division

n÷y
n÷2 8280660.5
n÷3 5520440.3333333
n÷3 4140330.25
n÷5 3312264.2

Exponentiation

ny
n2 274277353265041
n3 4.5423952904527E+21
n4 7.5228066514076E+28
n5 1.245876157749E+36

Nth Root

y√n
2√n 4069.5602956585
3√n 254.89715704182
4√n 63.793105392813
5√n 27.78554981842

Divisors of 16561321

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 -16561320
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 16561321 can be divided by 8 positive divisors. The sum of these divisors (counting 16561321) is 1, the average is 0.125.

Base conversion 16561321

Base System Value
2 Binary 111111001011010010101001
3 Ternary 1011011101212021
4 Quaternary 333023102221
5 Quinary 13214430241
6 Senary 1350544441
8 Octal 77132251
10 Decimal 16561321
12 Duodecimal 5668121
16 Hexadecimal fcb4a9
20 Vigesimal 53a361
36 Base36 9uysp

Cryptographic Hash Functions

md5 25ba82d1b2e059becd44792a141c857c
sha1 7340084d4dbf4d3cc6e6b8ff9dc7ddec168ee3ed
sha256 ade42d0ba2906c4b59ebb225a061a7ba53f224d1f64d32e6531168980cddb599
sha512 e9f946930d9d5328af20fb8baec34e13404cfd125d12adeb79c0ebfc0aeea4dd0740071918a852c86537ee70c77f1b8040c7006c76e1230d1c4613669a722f5c
ripemd-160 2af3dc086e3f76f1625473859fe989f36903de3d

16561321 as geometric shapes

Circle

Radius = n
Diameter 33122642
Circumference 104057848.77468
Area 8.6166771806351E+14

Sphere

Radius = n
Volume 1.9027140898916E+22
Surface area 3.446670872254E+15
Circumference 104057848.77468

Square

Length = n
Perimeter 66245284
Area 274277353265041
Diagonal 23421244.769014

Cube

Length = n
Surface area 1645664119590246
Volume 4.5423952904527E+21
Space diagonal 28685049.412457

Equilateral Triangle

Length = n
Perimeter 49683963
Area 1.1876557780514E+14
Altitude 14342524.706229

Triangular Pyramid

Length = n
Surface area 1.1876557780514E+14
Volume 5.3532641878483E+20
Height 7807081.5896715