21949797 (number)

21949797 is an odd 8-digits composite number following 21949796 and preceding 21949798. In scientific notation, it is written as 2.1949797 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 13995960 positive integers (up to 21949797) that are relatively prime to 21949797.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred forty-nine thousand seven hundred ninety-seven

Notation

Scientific notation 2.1949797 × 10^7
Engineering notation 2.1949797 × 10^6

Prime Factorization of 21949797

Prime Factorization 69 × 23 × 13831

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21949797
Product of the distinct prime numbers

The prime factorization of 21949797 is 69 × 23 × 13831. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21949797)

Multiplication

n×y
n×2 43899594
n×3 65849391
n×4 87799188
n×5 109748985

Division

n÷y
n÷2 10974898.5
n÷3 7316599
n÷3 5487449.25
n÷5 4389959.4

Exponentiation

ny
n2 481793588341209
n3 1.0575271459991E+22
n4 2.321250617667E+29
n5 5.0950979843915E+36

Nth Root

y√n
2√n 4685.0610454934
3√n 279.99063319006
4√n 68.447505765319
5√n 29.395855347449

Divisors of 21949797

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 -21949796
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 21949797 can be divided by 8 positive divisors. The sum of these divisors (counting 21949797) is 1, the average is 0.125.

Base conversion 21949797

Base System Value
2 Binary 1010011101110110101100101
3 Ternary 1112022011110110
4 Quaternary 1103232311211
5 Quinary 21104343142
6 Senary 2102243233
8 Octal 123566545
10 Decimal 21949797
12 Duodecimal 7426519
16 Hexadecimal 14eed65
20 Vigesimal 6h3e9h
36 Base36 d2gkl

Cryptographic Hash Functions

md5 1bfb5c67ac583f0a0a326a02b5c160c9
sha1 9a3c476bb96fe9094258612c87bc7d669c3f0426
sha256 c1f408c4c0512484d472bdcedbc4d50eed2dae48fe28b6421a3944d465bce8d2
sha512 6d6eba218deb3630e151461a2751a7a974a202bf5a9b3d6730b5fe91a5d1611ad677b19675870f4a999fe5aed2c4967fb49b799079728e7eb293bbf53fca6a36
ripemd-160 c953e9be4101867902b7bce11d826753a10777f5

21949797 as geometric shapes

Circle

Radius = n
Diameter 43899594
Circumference 137914642.00597
Area 1.5135991976794E+15

Sphere

Radius = n
Volume 4.4297593504568E+22
Surface area 6.0543967907176E+15
Circumference 137914642.00597

Square

Length = n
Perimeter 87799188
Area 481793588341209
Diagonal 31041700.608736

Cube

Length = n
Surface area 2890761530047254
Volume 1.0575271459991E+22
Space diagonal 38018163.619823

Equilateral Triangle

Length = n
Perimeter 65849391
Area 2.0862274344197E+14
Altitude 19009081.809911

Triangular Pyramid

Length = n
Surface area 2.0862274344197E+14
Volume 1.246307693708E+21
Height 10347233.536245