21494729 (number)

21494729 is an odd 8-digits prime number following 21494728 and preceding 21494730. In scientific notation, it is written as 2.1494729 × 10^7. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 21494728 positive integers (up to 21494729) that are relatively prime to 21494729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494729 × 10^7
Engineering notation 2.1494729 × 10^6

Prime Factorization of 21494729

Prime Factorization 21494729

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21494729
Product of the distinct prime numbers

The prime factorization of 21494729 is 21494729. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 7, 41, 49, 472, 870, 7937, 287, 90041, 94864, 507341, 39993, 5096633, 4051451, 75441757, 74855336, 529879057, 864534512, 8227652898, 2640871826

Basic calculations (n = 21494729)

Multiplication

n×y
n×2 42989458
n×3 64484187
n×4 85978916
n×5 107473645

Division

n÷y
n÷2 10747364.5
n÷3 7164909.6666667
n÷3 5373682.25
n÷5 4298945.8

Exponentiation

ny
n2 462023374783441
n3 9.9310672326355E+21
n4 2.1346559884628E+29
n5 4.5883851980235E+36

Nth Root

y√n
2√n 4636.2408263592
3√n 278.04216274747
4√n 68.089946588019
5√n 29.27294352006

Divisors of 21494729

1, 21494729

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21494730
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10747365
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4636.2409342052
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069539
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494729 can be divided by 2 positive divisors. The sum of these divisors (counting 21494729) is 21494730, the average is 10747365.

Base conversion 21494729

Base System Value
2 Binary 1010001111111101111001001
3 Ternary 1111110001020002
4 Quaternary 1101333233021
5 Quinary 21000312404
6 Senary 2044412345
8 Octal 121775711
10 Decimal 21494729
12 Duodecimal 72470b5
16 Hexadecimal 147fbc9
20 Vigesimal 6e6gg9
36 Base36 cspft

Cryptographic Hash Functions

md5 271e86860c0da5096747929c3b65baad
sha1 0a7a177f39ac1bf61318d43b338e9f75f5e34232
sha256 c82ac583afdb9541c44a0aac17c3f60cc7243843a28753bfae2463e7051bd35e
sha512 96639ca3b3aa61f490fc805ef274de9b7f340891a0a05f6b2dd4771d4a281bb217908a7d420061dbab0d7ea190a86fbfa842b5fd9132b09fdd1937b86f1d1cf2
ripemd-160 0c2419b99cac0666bd86dfacb8bf08c249add734

21494729 as geometric shapes

Circle

Radius = n
Diameter 42989458
Circumference 135055365.43461
Area 1.4514892400064E+15

Sphere

Radius = n
Volume 4.1599157147139E+22
Surface area 5.8059569600257E+15
Circumference 135055365.43461

Square

Length = n
Perimeter 85978916
Area 462023374783441
Diagonal 30398137.271334

Cube

Length = n
Surface area 2772140248700646
Volume 9.9310672326355E+21
Space diagonal 37229962.722924

Equilateral Triangle

Length = n
Perimeter 64484187
Area 2.0006198985234E+14
Altitude 18614981.361462

Triangular Pyramid

Length = n
Surface area 2.0006198985234E+14
Volume 1.170387497436E+21
Height 10132712.423778