21972521 (number)

21972521 is an odd 8-digits composite number following 21972520 and preceding 21972522. In scientific notation, it is written as 2.1972521 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20338560 positive integers (up to 21972521) that are relatively prime to 21972521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1972521 × 10^7
Engineering notation 2.1972521 × 10^6

Prime Factorization of 21972521

Prime Factorization 31 × 23 × 30817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21972521
Product of the distinct prime numbers

The prime factorization of 21972521 is 31 × 23 × 30817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21972521)

Multiplication

n×y
n×2 43945042
n×3 65917563
n×4 87890084
n×5 109862605

Division

n÷y
n÷2 10986260.5
n÷3 7324173.6666667
n÷3 5493130.25
n÷5 4394504.2

Exponentiation

ny
n2 482791679095441
n3 1.060815030755E+22
n4 2.330878054038E+29
n5 5.1215266990788E+36

Nth Root

y√n
2√n 4687.4855733111
3√n 280.08722197658
4√n 68.465214330426
5√n 29.401939366974

Divisors of 21972521

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 -21972520
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 21972521 can be divided by 8 positive divisors. The sum of these divisors (counting 21972521) is 1, the average is 0.125.

Base conversion 21972521

Base System Value
2 Binary 1010011110100011000101001
3 Ternary 1112100022122002
4 Quaternary 1103310120221
5 Quinary 21111110041
6 Senary 2102540345
8 Octal 123643051
10 Decimal 21972521
12 Duodecimal 74376b5
16 Hexadecimal 14f4629
20 Vigesimal 6h6b61
36 Base36 d2y3t

Cryptographic Hash Functions

md5 8be96636b3673c221966805cc2d2b3a6
sha1 0204c8dc4b9f3977eba094a14604c4622266ecf9
sha256 ecbbb139e9e0fcbd442df21a26d5b0116544809b092acff4c94164111afbbdf1
sha512 cec3bcd6fb4b5932a86be572a77ff2fef3d1f6e612c37131d8febd5e84094f24fa3a617321353bbd6a84675726eeb93491695c198f8f095af58436f598c2b78f
ripemd-160 681b815e7c6feca055e13152923938e4975b67f9

21972521 as geometric shapes

Circle

Radius = n
Diameter 43945042
Circumference 138057421.10889
Area 1.5167347922605E+15

Sphere

Radius = n
Volume 4.4435316099166E+22
Surface area 6.0669391690421E+15
Circumference 138057421.10889

Square

Length = n
Perimeter 87890084
Area 482791679095441
Diagonal 31073837.197728

Cube

Length = n
Surface area 2896750074572646
Volume 1.060815030755E+22
Space diagonal 38057522.742374

Equilateral Triangle

Length = n
Perimeter 65917563
Area 2.090549294162E+14
Altitude 19028761.371187

Triangular Pyramid

Length = n
Surface area 2.090549294162E+14
Volume 1.2501825030524E+21
Height 10357945.732576