21486988 (number)

21486988 is an even 8-digits composite number following 21486987 and preceding 21486989. In scientific notation, it is written as 2.1486988 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors. There are 10743492 positive integers (up to 21486988) that are relatively prime to 21486988.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation 2.1486988 × 10^7
Engineering notation 2.1486988 × 10^6

Prime Factorization of 21486988

Prime Factorization 2 × 2 × 5371747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10743494
Product of the distinct prime numbers

The prime factorization of 21486988 is 2 × 2 × 5371747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21486988)

Multiplication

n×y
n×2 42973976
n×3 64460964
n×4 85947952
n×5 107434940

Division

n÷y
n÷2 10743494
n÷3 7162329.3333333
n÷3 5371747
n÷5 4297397.6

Exponentiation

ny
n2 461690653312144
n3 9.9203415274302E+21
n4 2.1315825935579E+29
n5 4.5801289608788E+36

Nth Root

y√n
2√n 4635.4059153433
3√n 278.00878118666
4√n 68.083815370052
5√n 29.270834775113

Divisors of 21486988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21486987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21486988 can be divided by 6 positive divisors. The sum of these divisors (counting 21486988) is 1, the average is 0.16666666666667.

Base conversion 21486988

Base System Value
2 Binary 1010001111101110110001100
3 Ternary 1111102122121101
4 Quaternary 1101331312030
5 Quinary 21000040423
6 Senary 2044312444
8 Octal 121756614
10 Decimal 21486988
12 Duodecimal 7242724
16 Hexadecimal 147dd8c
20 Vigesimal 6e5h98
36 Base36 csjgs

Cryptographic Hash Functions

md5 040190be394e040e1bd4ac3ce1396623
sha1 34400d1d040842acdaff49234089d3de4f6fdb36
sha256 c369c70c78e900237d3274d34215501562c740da14be792381dfeb7a6e598380
sha512 6b159c76dbca304912d353d602d78e5fe396fa25dcdbf82e82334618c395708c78775d9c6515c3b3750d851fd111cdd327d8b80279b4f48a359a4fb321629231
ripemd-160 27f4ea7a1886848db273215484c6ebd7e8434013

21486988 as geometric shapes

Circle

Radius = n
Diameter 42973976
Circumference 135006727.29714
Area 1.4504439646765E+15

Sphere

Radius = n
Volume 4.1554229418235E+22
Surface area 5.801775858706E+15
Circumference 135006727.29714

Square

Length = n
Perimeter 85947952
Area 461690653312144
Diagonal 30387189.844148

Cube

Length = n
Surface area 2770143919872864
Volume 9.9203415274302E+21
Space diagonal 37216554.917623

Equilateral Triangle

Length = n
Perimeter 64460964
Area 1.9991791722908E+14
Altitude 18608277.458811

Triangular Pyramid

Length = n
Surface area 1.9991791722908E+14
Volume 1.1691234609554E+21
Height 10129063.281383