21409972 (number)

21409972 is an even 8-digits composite number following 21409971 and preceding 21409973. In scientific notation, it is written as 2.1409972 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10686456 positive integers (up to 21409972) that are relatively prime to 21409972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1409972 × 10^7
Engineering notation 2.1409972 × 10^6

Prime Factorization of 21409972

Prime Factorization 2 × 2 × 619 × 8647

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10704986
Product of the distinct prime numbers

The prime factorization of 21409972 is 2 × 2 × 619 × 8647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 83, 14, 100, 68, 7766, 1220, 77756, 52153, 26605, 647896, 503501, 3676182, 77339975, 18653671, 48045720, 991744037, 3136749160, 9193464017

Basic calculations (n = 21409972)

Multiplication

n×y
n×2 42819944
n×3 64229916
n×4 85639888
n×5 107049860

Division

n÷y
n÷2 10704986
n÷3 7136657.3333333
n÷3 5352493
n÷5 4281994.4

Exponentiation

ny
n2 458386901040784
n3 9.81405071645E+21
n4 2.1011855104577E+29
n5 4.4986322945706E+36

Nth Root

y√n
2√n 4627.0910948457
3√n 277.67622710457
4√n 68.022724841377
5√n 29.249821484142

Divisors of 21409972

1, 2, 4, 619, 1238, 2476, 8647, 17294, 34588, 5352493, 10704986, 21409972

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 -21409971
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 21409972 can be divided by 12 positive divisors. The sum of these divisors (counting 21409972) is 1, the average is 0.083333333333333.

Base conversion 21409972

Base System Value
2 Binary 1010001101011000010110100
3 Ternary 1111021201221221
4 Quaternary 1101223002310
5 Quinary 20440104342
6 Senary 2042520124
8 Octal 121530264
10 Decimal 21409972
12 Duodecimal 7206044
16 Hexadecimal 146b0b4
20 Vigesimal 6dg4ic
36 Base36 cqw1g

Cryptographic Hash Functions

md5 220920c67c5772b5ef62764315234827
sha1 62ffb34dd182419ce36a9a2515024d2ead088b50
sha256 889d3abe95e7472e9a909c7bb66612dcae64d2b94f0fa97bc9e17d747854336b
sha512 5e9c4f1dd93b39f78e00dffefde37d6989c57c5b08b04aa9d13b3b5f1648a4acb4dd0a6de10588019e05d0932c3d7c7e8dfcbed4f13f90037702216f5b2cbc5f
ripemd-160 3ad1a4c1b9e59b9b9715af8f840046035ce99544

21409972 as geometric shapes

Circle

Radius = n
Diameter 42819944
Circumference 134522821.49753
Area 1.4400649208115E+15

Sphere

Radius = n
Volume 4.1108999510342E+22
Surface area 5.7602596832461E+15
Circumference 134522821.49753

Square

Length = n
Perimeter 85639888
Area 458386901040784
Diagonal 30278272.772428

Cube

Length = n
Surface area 2750321406244704
Volume 9.81405071645E+21
Space diagonal 37083159.292627

Equilateral Triangle

Length = n
Perimeter 64229916
Area 1.9848735053167E+14
Altitude 18541579.646314

Triangular Pyramid

Length = n
Surface area 1.9848735053167E+14
Volume 1.1565969687517E+21
Height 10092757.590809