21690621 (number)

21690621 is an odd 8-digits composite number following 21690620 and preceding 21690622. In scientific notation, it is written as 2.1690621 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13792896 positive integers (up to 21690621) that are relatively prime to 21690621.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand six hundred twenty-one

Notation

Scientific notation 2.1690621 × 10^7
Engineering notation 2.1690621 × 10^6

Prime Factorization of 21690621

Prime Factorization 477 × 37 × 1229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21690621
Product of the distinct prime numbers

The prime factorization of 21690621 is 477 × 37 × 1229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21690621)

Multiplication

n×y
n×2 43381242
n×3 65071863
n×4 86762484
n×5 108453105

Division

n÷y
n÷2 10845310.5
n÷3 7230207
n÷3 5422655.25
n÷5 4338124.2

Exponentiation

ny
n2 470483039365641
n3 1.0205069293808E+22
n4 2.2135429033073E+29
n5 4.8013120182879E+36

Nth Root

y√n
2√n 4657.3190786116
3√n 278.88425460561
4√n 68.244553472139
5√n 29.3261058103

Divisors of 21690621

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 -21690620
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 21690621 can be divided by 8 positive divisors. The sum of these divisors (counting 21690621) is 1, the average is 0.125.

Base conversion 21690621

Base System Value
2 Binary 1010010101111100011111101
3 Ternary 1111210222221100
4 Quaternary 1102233203331
5 Quinary 21023044441
6 Senary 2052523313
8 Octal 122574375
10 Decimal 21690621
12 Duodecimal 7320539
16 Hexadecimal 14af8fd
20 Vigesimal 6fb6b1
36 Base36 cwwl9

Cryptographic Hash Functions

md5 b9a9bab3f0cb6cdcf8a5fc6aff6e214a
sha1 4255922cf656eb3a34870765a8b41edcc44a8a3d
sha256 6bf8d7cddc68fd2b5599acde3f55de4cf72d5cd971417867598206195919a128
sha512 9f148169939dc1baa21fec378eff25b4727034e696f61186518c8ed8637381d30f70c2e43ec274166aa0683ed6cdbcbc4d2ec3bdc65281d1807dce461b941f3e
ripemd-160 8344d4dba97bd32cb02ac85c32747feb43ed7ac1

21690621 as geometric shapes

Circle

Radius = n
Diameter 43381242
Circumference 136286191.1708
Area 1.4780660601097E+15

Sphere

Radius = n
Volume 4.274689429707E+22
Surface area 5.9122642404388E+15
Circumference 136286191.1708

Square

Length = n
Perimeter 86762484
Area 470483039365641
Diagonal 30675170.394495

Cube

Length = n
Surface area 2822898236193846
Volume 1.0205069293808E+22
Space diagonal 37569257.61972

Equilateral Triangle

Length = n
Perimeter 65071863
Area 2.0372513207018E+14
Altitude 18784628.80986

Triangular Pyramid

Length = n
Surface area 2.0372513207018E+14
Volume 1.2026789500217E+21
Height 10225056.798165