21057798 (number)

21057798 is an even 8-digits composite number following 21057797 and preceding 21057799. In scientific notation, it is written as 2.1057798 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 6577280 positive integers (up to 21057798) that are relatively prime to 21057798.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1057798 × 10^7
Engineering notation 2.1057798 × 10^6

Prime Factorization of 21057798

Prime Factorization 2 × 3 × 17 × 479 × 431

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21057798
Product of the distinct prime numbers

The prime factorization of 21057798 is 2 × 3 × 17 × 479 × 431. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 16, 83, 127, 82, 3332, 2251, 97795, 85252, 530597, 598983, 3166407, 6273355, 2009691, 63691484, 861363518, 700868048, 7554306386, 2010608856

Basic calculations (n = 21057798)

Multiplication

n×y
n×2 42115596
n×3 63173394
n×4 84231192
n×5 105288990

Division

n÷y
n÷2 10528899
n÷3 7019266
n÷3 5264449.5
n÷5 4211559.6

Exponentiation

ny
n2 443430856608804
n3 9.3376774054352E+21
n4 1.9663092459282E+29
n5 4.1406142906288E+36

Nth Root

y√n
2√n 4588.8776405566
3√n 276.14529736731
4√n 67.741255085484
5√n 29.152955591467

Divisors of 21057798

1, 2, 3, 6, 17, 34, 51, 102, 431, 479, 862, 958, 1293, 1437, 2586, 2874, 7327, 8143, 14654, 16286, 21981, 24429, 43962, 48858, 206449, 412898, 619347, 1238694, 3509633, 7019266, 10528899, 21057798

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21057797
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21057798 can be divided by 32 positive divisors. The sum of these divisors (counting 21057798) is 1, the average is 0.03125.

Base conversion 21057798

Base System Value
2 Binary 1010000010101000100000110
3 Ternary 1110121211212110
4 Quaternary 1100111010012
5 Quinary 20342322143
6 Senary 2031201450
8 Octal 120250406
10 Decimal 21057798
12 Duodecimal 7076286
16 Hexadecimal 1415106
20 Vigesimal 6bc49i
36 Base36 cjcau

Cryptographic Hash Functions

md5 1d1838b23dbf72c81700e4c20de27888
sha1 f9b6ccfa2a1411a2e5cc5521f01f3489198e0ad5
sha256 0b2ae3fe4b1a58b773416d1dc4d8308a81c8717e5cc1bbe6e71d1227b5dc1d6f
sha512 91e5e85aa40f08c11286f438c84151257ce9977254a70a47dab010d37e8af0e518729bd7e9e21ca83dc52d1473efdc948bca208d28e368ca21fcc70fab4f5b07
ripemd-160 b9b61a51ec39dfaa7bbb8a9f0ef23b10bc04da80

21057798 as geometric shapes

Circle

Radius = n
Diameter 42115596
Circumference 132310046.99516
Area 1.3930791214972E+15

Sphere

Radius = n
Volume 3.9113571651342E+22
Surface area 5.572316485989E+15
Circumference 132310046.99516

Square

Length = n
Perimeter 84231192
Area 443430856608804
Diagonal 29780223.525313

Cube

Length = n
Surface area 2660585139652824
Volume 9.3376774054352E+21
Space diagonal 36473176.031522

Equilateral Triangle

Length = n
Perimeter 63173394
Area 1.9201119332256E+14
Altitude 18236588.015761

Triangular Pyramid

Length = n
Surface area 1.9201119332256E+14
Volume 1.1004558356526E+21
Height 9926741.1751043