21279907 (number)

21279907 is an odd 8-digits composite number following 21279906 and preceding 21279908. In scientific notation, it is written as 2.1279907 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 19065200 positive integers (up to 21279907) that are relatively prime to 21279907.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-nine thousand nine hundred seven

Notation

Scientific notation 2.1279907 × 10^7
Engineering notation 2.1279907 × 10^6

Prime Factorization of 21279907

Prime Factorization 71 × 11 × 11 × 2477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1934537
Product of the distinct prime numbers

The prime factorization of 21279907 is 71 × 11 × 11 × 2477. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21279907)

Multiplication

n×y
n×2 42559814
n×3 63839721
n×4 85119628
n×5 106399535

Division

n÷y
n÷2 10639953.5
n÷3 7093302.3333333
n÷3 5319976.75
n÷5 4255981.4

Exponentiation

ny
n2 452834441928649
n3 9.6362748106386E+21
n4 2.0505903179683E+29
n5 4.3636371261466E+36

Nth Root

y√n
2√n 4613.0149577039
3√n 277.11279275724
4√n 67.919179601228
5√n 29.214196435505

Divisors of 21279907

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21279906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21279907 can be divided by 12 positive divisors. The sum of these divisors (counting 21279907) is 1, the average is 0.083333333333333.

Base conversion 21279907

Base System Value
2 Binary 1010001001011010010100011
3 Ternary 1111001010112201
4 Quaternary 1101023102203
5 Quinary 20421424112
6 Senary 2040034031
8 Octal 121132243
10 Decimal 21279907
12 Duodecimal 7162917
16 Hexadecimal 144b4a3
20 Vigesimal 6cjjf7
36 Base36 co3oj

Cryptographic Hash Functions

md5 048e3d6b96ce39321f10493041ecca91
sha1 4667f836fc5d1128195c28d459116ac5ce2417a8
sha256 ea132ef1a4549711c3fea26e5ceffd26b1610a688b07f2c2f04359ab2f189ecb
sha512 07cd0f019ac4f59acb0f3fa992cbe75b171c5080ca23b1fd341fb7de21b699112291843a5a871b403825b6d75373af33f28ae1caa7959f430d2f88ec3d280990
ripemd-160 d8b69f53cd5a3479d1f3ed8910b915dbfb2f0cb1

21279907 as geometric shapes

Circle

Radius = n
Diameter 42559814
Circumference 133705599.00055
Area 1.4226213560555E+15

Sphere

Radius = n
Volume 4.0364333537433E+22
Surface area 5.6904854242219E+15
Circumference 133705599.00055

Square

Length = n
Perimeter 85119628
Area 452834441928649
Diagonal 30094333.085438

Cube

Length = n
Surface area 2717006651571894
Volume 9.6362748106386E+21
Space diagonal 36857880.104341

Equilateral Triangle

Length = n
Perimeter 63839721
Area 1.9608306520938E+14
Altitude 18428940.05217

Triangular Pyramid

Length = n
Surface area 1.9608306520938E+14
Volume 1.1356458773299E+21
Height 10031444.361813