21969909 (number)

21969909 is an odd 8-digits composite number following 21969908 and preceding 21969910. In scientific notation, it is written as 2.1969909 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 12807072 positive integers (up to 21969909) that are relatively prime to 21969909.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred sixty-nine thousand nine hundred nine

Notation

Scientific notation 2.1969909 × 10^7
Engineering notation 2.1969909 × 10^6

Prime Factorization of 21969909

Prime Factorization 3 × 3 × 19 × 13 × 9883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7323303
Product of the distinct prime numbers

The prime factorization of 21969909 is 3 × 3 × 19 × 13 × 9883. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21969909)

Multiplication

n×y
n×2 43939818
n×3 65909727
n×4 87879636
n×5 109849545

Division

n÷y
n÷2 10984954.5
n÷3 7323303
n÷3 5492477.25
n÷5 4393981.8

Exponentiation

ny
n2 482676901468281
n3 1.060436760166E+22
n4 2.3297699121102E+29
n5 5.1184832959999E+36

Nth Root

y√n
2√n 4687.2069508397
3√n 280.0761230102
4√n 68.463179526222
5√n 29.401240298191

Divisors of 21969909

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21969908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21969909 can be divided by 24 positive divisors. The sum of these divisors (counting 21969909) is 1, the average is 0.041666666666667.

Base conversion 21969909

Base System Value
2 Binary 1010011110011101111110101
3 Ternary 1112100012001100
4 Quaternary 1103303233311
5 Quinary 21111014114
6 Senary 2102520313
8 Octal 123635765
10 Decimal 21969909
12 Duodecimal 7436099
16 Hexadecimal 14f3bf5
20 Vigesimal 6h64f9
36 Base36 d2w39

Cryptographic Hash Functions

md5 b893013a68b5e52cb4d69bb153f73b6b
sha1 85cd34f547fb6cfe66890f2180d81e0a9f902ba7
sha256 fec787fd71e801d873b36d69e91a0be7259ca7cf9b7cc30f70dfd4b41bbf867f
sha512 50fdba4b19cf4daa1f522ec076141320e086d685a33dc7b64cf3fab03ffc237ae8de8aae6a8138dd73261bf474b848a252e9423069403fe40f6d679af5d96fff
ripemd-160 0261cf1f49cfb30963fa414c0381c55b90372aa8

21969909 as geometric shapes

Circle

Radius = n
Diameter 43939818
Circumference 138041009.42887
Area 1.5163742077102E+15

Sphere

Radius = n
Volume 4.4419471137788E+22
Surface area 6.0654968308409E+15
Circumference 138041009.42887

Square

Length = n
Perimeter 87879636
Area 482676901468281
Diagonal 31070143.271903

Cube

Length = n
Surface area 2896061408809686
Volume 1.060436760166E+22
Space diagonal 38052998.625665

Equilateral Triangle

Length = n
Perimeter 65909727
Area 2.0900522924574E+14
Altitude 19026499.312832

Triangular Pyramid

Length = n
Surface area 2.0900522924574E+14
Volume 1.2497367068881E+21
Height 10356714.423968