21492779 (number)

21492779 is an odd 8-digits composite number following 21492778 and preceding 21492780. In scientific notation, it is written as 2.1492779 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 16747560 positive integers (up to 21492779) that are relatively prime to 21492779.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492779 × 10^7
Engineering notation 2.1492779 × 10^6

Prime Factorization of 21492779

Prime Factorization 7 × 11 × 279127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492779
Product of the distinct prime numbers

The prime factorization of 21492779 is 7 × 11 × 279127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492779)

Multiplication

n×y
n×2 42985558
n×3 64478337
n×4 85971116
n×5 107463895

Division

n÷y
n÷2 10746389.5
n÷3 7164259.6666667
n÷3 5373194.75
n÷5 4298555.8

Exponentiation

ny
n2 461939549142841
n3 9.9283646410867E+21
n4 2.1338814706229E+29
n5 4.5863042860293E+36

Nth Root

y√n
2√n 4636.0305219013
3√n 278.03375450602
4√n 68.088402256928
5√n 29.272412372992

Divisors of 21492779

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 -21492778
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 21492779 can be divided by 8 positive divisors. The sum of these divisors (counting 21492779) is 1, the average is 0.125.

Base conversion 21492779

Base System Value
2 Binary 1010001111111010000101011
3 Ternary 1111102221112212
4 Quaternary 1101333100223
5 Quinary 21000232104
6 Senary 2044355335
8 Octal 121772053
10 Decimal 21492779
12 Duodecimal 7245b4b
16 Hexadecimal 147f42b
20 Vigesimal 6e6bij
36 Base36 csnxn

Cryptographic Hash Functions

md5 7f957e6a4d9fa34894039c3febea07eb
sha1 936122fcb9bd16fe8352a887502099a2dd903ec3
sha256 be1b547a121ed3d41bc7046bf6688c3806dfcfa2b4f3039f8ed56516514a9fa7
sha512 74fa499529ea0f18bde056017f029432010c558d81cd90a343f492e682ee119c905b816e98298f18894d5975b720a84cac2852a74062a7bc0e77157e96102a32
ripemd-160 2831df41e207a2d1188592f359c45da10fca4fe6

21492779 as geometric shapes

Circle

Radius = n
Diameter 42985558
Circumference 135043113.22326
Area 1.4512258939897E+15

Sphere

Radius = n
Volume 4.1587836558132E+22
Surface area 5.8049035759589E+15
Circumference 135043113.22326

Square

Length = n
Perimeter 85971116
Area 461939549142841
Diagonal 30395379.554888

Cube

Length = n
Surface area 2771637294857046
Volume 9.9283646410867E+21
Space diagonal 37226585.223849

Equilateral Triangle

Length = n
Perimeter 64478337
Area 2.0002569228522E+14
Altitude 18613292.611925

Triangular Pyramid

Length = n
Surface area 2.0002569228522E+14
Volume 1.1700689939675E+21
Height 10131793.184963