21097812 (number)

21097812 is an even 8-digits composite number following 21097811 and preceding 21097813. In scientific notation, it is written as 2.1097812 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 6978400 positive integers (up to 21097812) that are relatively prime to 21097812.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-seven thousand eight hundred twelve

Notation

Scientific notation 2.1097812 × 10^7
Engineering notation 2.1097812 × 10^6

Prime Factorization of 21097812

Prime Factorization 2 × 2 × 3 × 131 × 13421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10548906
Product of the distinct prime numbers

The prime factorization of 21097812 is 2 × 2 × 3 × 131 × 13421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21097812)

Multiplication

n×y
n×2 42195624
n×3 63293436
n×4 84391248
n×5 105489060

Division

n÷y
n÷2 10548906
n÷3 7032604
n÷3 5274453
n÷5 4219562.4

Exponentiation

ny
n2 445117671187344
n3 9.3910089445884E+21
n4 1.9812974120324E+29
n5 4.1801040315147E+36

Nth Root

y√n
2√n 4593.2354609795
3√n 276.32009700601
4√n 67.773412640796
5√n 29.164026461478

Divisors of 21097812

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 -21097811
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 21097812 can be divided by 24 positive divisors. The sum of these divisors (counting 21097812) is 1, the average is 0.041666666666667.

Base conversion 21097812

Base System Value
2 Binary 1010000011110110101010100
3 Ternary 1110200212202110
4 Quaternary 1100132311110
5 Quinary 20400112222
6 Senary 2032111020
8 Octal 120366524
10 Decimal 21097812
12 Duodecimal 7095470
16 Hexadecimal 141ed54
20 Vigesimal 6bh4ac
36 Base36 ck76c

Cryptographic Hash Functions

md5 1da0ea35c0e4a3ed3f28623215a12d2a
sha1 de46b5feefdaf363e9fe6519ae6493c918448a20
sha256 99e84a1838b4013feb03ddd873a1b0fe4414fd214f880b7cfb3ee999f8e5fc64
sha512 bdf08aff8f3278b70e4a4a0ae28df3c02d005f3cda1549ef4952795ae10cd98c19b0b17d8ddac81a3d5584f9cfcb87d22977c917c61d6f1ddb5dd6e6982efaeb
ripemd-160 21d755837e027b2cff12c728c7252315cb93cba4

21097812 as geometric shapes

Circle

Radius = n
Diameter 42195624
Circumference 132561462.37204
Area 1.3983784057852E+15

Sphere

Radius = n
Volume 3.9336966280153E+22
Surface area 5.5935136231406E+15
Circumference 132561462.37204

Square

Length = n
Perimeter 84391248
Area 445117671187344
Diagonal 29836811.866798

Cube

Length = n
Surface area 2670706027124064
Volume 9.3910089445884E+21
Space diagonal 36542482.312536

Equilateral Triangle

Length = n
Perimeter 63293436
Area 1.927416054608E+14
Altitude 18271241.156268

Triangular Pyramid

Length = n
Surface area 1.927416054608E+14
Volume 1.106741017817E+21
Height 9945603.9555993