21681567 (number)

21681567 is an odd 8-digits composite number following 21681566 and preceding 21681568. In scientific notation, it is written as 2.1681567 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 14338296 positive integers (up to 21681567) that are relatively prime to 21681567.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-one thousand five hundred sixty-seven

Notation

Scientific notation 2.1681567 × 10^7
Engineering notation 2.1681567 × 10^6

Prime Factorization of 21681567

Prime Factorization 3 × 9 × 127 × 6323

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21681567
Product of the distinct prime numbers

The prime factorization of 21681567 is 3 × 9 × 127 × 6323. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 59, 45, 384, 897, 6141, 6229, 92780, 83993, 1873, 191996, 5891499, 7609135, 67578531, 8125013, 831480436, 80899332, 7465373401, 9347786661

Basic calculations (n = 21681567)

Multiplication

n×y
n×2 43363134
n×3 65044701
n×4 86726268
n×5 108407835

Division

n÷y
n÷2 10840783.5
n÷3 7227189
n÷3 5420391.75
n÷5 4336313.4

Exponentiation

ny
n2 470090347575489
n3 1.0192295367011E+22
n4 2.2098493488364E+29
n5 4.7912996716704E+36

Nth Root

y√n
2√n 4656.346958722
3√n 278.84544567447
4√n 68.237430774627
5√n 29.323657167583

Divisors of 21681567

1, 3, 9, 27, 127, 381, 1143, 3429, 6323, 18969, 56907, 170721, 803021, 2409063, 7227189, 21681567

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 -21681566
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 21681567 can be divided by 16 positive divisors. The sum of these divisors (counting 21681567) is 1, the average is 0.0625.

Base conversion 21681567

Base System Value
2 Binary 1010010101101010110011111
3 Ternary 1111210112112000
4 Quaternary 1102231112133
5 Quinary 21022302232
6 Senary 2052413343
8 Octal 122552637
10 Decimal 21681567
12 Duodecimal 7317253
16 Hexadecimal 14ad59f
20 Vigesimal 6fa3i7
36 Base36 cwplr

Cryptographic Hash Functions

md5 476f48845a6e0283654b5a8897c1a86a
sha1 a58ed9f82dcf36602d2075631edd4265b8edff3f
sha256 5dae94dec0644dcdfa4bacd26a6eae6240b084026ec40341ee8c79bc450ddd6b
sha512 d90b77883c1148c51e51599ea67fd9dba9788a1281b43fa9ea85fba5e374cf136e8ad471f88ce6bbac48915c957dd83656b82eeaef1d52281409800c607091a7
ripemd-160 489fed86c3eb191055c373cdbf315eaef2a6448d

21681567 as geometric shapes

Circle

Radius = n
Diameter 43363134
Circumference 136229303.21103
Area 1.4768323824666E+15

Sphere

Radius = n
Volume 4.2693386997626E+22
Surface area 5.9073295298665E+15
Circumference 136229303.21103

Square

Length = n
Perimeter 86726268
Area 470090347575489
Diagonal 30662366.104901

Cube

Length = n
Surface area 2820542085452934
Volume 1.0192295367011E+22
Space diagonal 37553575.631709

Equilateral Triangle

Length = n
Perimeter 65044701
Area 2.0355509153711E+14
Altitude 18776787.815854

Triangular Pyramid

Length = n
Surface area 2.0355509153711E+14
Volume 1.2011735283116E+21
Height 10220788.701634