21431907 (number)

21431907 is an odd 8-digits composite number following 21431906 and preceding 21431908. In scientific notation, it is written as 2.1431907 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 12130560 positive integers (up to 21431907) that are relatively prime to 21431907.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand nine hundred seven

Notation

Scientific notation 2.1431907 × 10^7
Engineering notation 2.1431907 × 10^6

Prime Factorization of 21431907

Prime Factorization 7 × 9 × 109 × 3121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21431907
Product of the distinct prime numbers

The prime factorization of 21431907 is 7 × 9 × 109 × 3121. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 72, 82, 95, 550, 4141, 1279, 71160, 34221, 38614, 164149, 399909, 9489055, 14930655, 78197687, 466374126, 758044024, 7950264752, 8648112366

Basic calculations (n = 21431907)

Multiplication

n×y
n×2 42863814
n×3 64295721
n×4 85727628
n×5 107159535

Division

n÷y
n÷2 10715953.5
n÷3 7143969
n÷3 5357976.75
n÷5 4286381.4

Exponentiation

ny
n2 459326637656649
n3 9.84424578088E+21
n4 2.1098096006096E+29
n5 4.5217243147973E+36

Nth Root

y√n
2√n 4629.4607677353
3√n 277.77102326094
4√n 68.040140856227
5√n 29.255812450075

Divisors of 21431907

1, 7, 9, 63, 109, 763, 981, 3121, 6867, 21847, 28089, 196623, 340189, 2381323, 3061701, 21431907

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 -21431906
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 21431907 can be divided by 16 positive divisors. The sum of these divisors (counting 21431907) is 1, the average is 0.0625.

Base conversion 21431907

Base System Value
2 Binary 1010001110000011001100011
3 Ternary 1111022212001100
4 Quaternary 1101300121203
5 Quinary 20441310112
6 Senary 2043205443
8 Octal 121603143
10 Decimal 21431907
12 Duodecimal 7216883
16 Hexadecimal 1470663
20 Vigesimal 6dijf7
36 Base36 crcyr

Cryptographic Hash Functions

md5 0e5cfb68ae24a4a66b30b2b4af12a179
sha1 62eb197f91a75ac822c3d8fa23511f6f2c972c93
sha256 02f0dad04c3dca0307ae31137a413da591059e3b44ead160ca48616b361d3131
sha512 f2c07e2955dc346195ff3852e232ff88ccd0efe7256f54669145f360c6b789a9c620c2573bf2cf900f0a5e9f21bc606e4dab1723ce76282262a0f1d924170afc
ripemd-160 f083b9db8cdd2b64b5041d10fc6b58b90d6f9da2

21431907 as geometric shapes

Circle

Radius = n
Diameter 42863814
Circumference 134660643.16724
Area 1.4430171904602E+15

Sphere

Radius = n
Volume 4.123548030046E+22
Surface area 5.7720687618409E+15
Circumference 134660643.16724

Square

Length = n
Perimeter 85727628
Area 459326637656649
Diagonal 30309293.546919

Cube

Length = n
Surface area 2755959825939894
Volume 9.84424578088E+21
Space diagonal 37121151.827091

Equilateral Triangle

Length = n
Perimeter 64295721
Area 1.9889426842277E+14
Altitude 18560575.913546

Triangular Pyramid

Length = n
Surface area 1.9889426842277E+14
Volume 1.1601554912212E+21
Height 10103097.848973