21462987 (number)

21462987 is an odd 8-digits composite number following 21462986 and preceding 21462988. In scientific notation, it is written as 2.1462987 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 10926720 positive integers (up to 21462987) that are relatively prime to 21462987.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-two thousand nine hundred eighty-seven

Notation

Scientific notation 2.1462987 × 10^7
Engineering notation 2.1462987 × 10^6

Prime Factorization of 21462987

Prime Factorization 39 × 29 × 7 × 2711

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21462987
Product of the distinct prime numbers

The prime factorization of 21462987 is 39 × 29 × 7 × 2711. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 2, 60, 32, 952, 360, 408, 1334, 10530, 96861, 655432, 592764, 120289, 5865481, 89001040, 95371042, 19857899, 187028334, 1380014588, 7495157338

Basic calculations (n = 21462987)

Multiplication

n×y
n×2 42925974
n×3 64388961
n×4 85851948
n×5 107314935

Division

n÷y
n÷2 10731493.5
n÷3 7154329
n÷3 5365746.75
n÷5 4292597.4

Exponentiation

ny
n2 460659810962169
n3 9.8871355341035E+21
n4 2.122074614357E+29
n5 4.5546059860975E+36

Nth Root

y√n
2√n 4632.8163140794
3√n 277.9052305371
4√n 68.06479496832
5√n 29.264292737611

Divisors of 21462987

1, 7, 29, 39, 203, 273, 1131, 2711, 7917, 18977, 78619, 105729, 550333, 740103, 3066141, 21462987

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21462986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21462987 can be divided by 16 positive divisors. The sum of these divisors (counting 21462987) is 1, the average is 0.0625.

Base conversion 21462987

Base System Value
2 Binary 1010001110111111111001011
3 Ternary 1111101102200110
4 Quaternary 1101313333023
5 Quinary 20443303422
6 Senary 2044005403
8 Octal 121677713
10 Decimal 21462987
12 Duodecimal 7230863
16 Hexadecimal 1477fcb
20 Vigesimal 6e2h97
36 Base36 cs0y3

Cryptographic Hash Functions

md5 4c5ea3b877ae984d133a7b49343ae3fb
sha1 a242df84cb92bc6c27644f960366206b29e67032
sha256 ac0d5f968fc68053946b4f59dd8d3bbf8bda476eef43de040cd7e1dc29c30683
sha512 f587ea65b2eb2320c37527b27a3513d9d5d6c0aefb8b448c3fa0920cecae780dec9df9f501036c36bcd7a94fac9486689101fbeba0bcf935f41809b3ba891743
ripemd-160 5eb74f104dfaf8d2c343d9a560353d689dafd829

21462987 as geometric shapes

Circle

Radius = n
Diameter 42925974
Circumference 134855924.56659
Area 1.4472054779228E+15

Sphere

Radius = n
Volume 4.1415136478648E+22
Surface area 5.7888219116913E+15
Circumference 134855924.56659

Square

Length = n
Perimeter 85851948
Area 460659810962169
Diagonal 30353247.304437

Cube

Length = n
Surface area 2763958865773014
Volume 9.8871355341035E+21
Space diagonal 37174983.96619

Equilateral Triangle

Length = n
Perimeter 64388961
Area 1.9947154939789E+14
Altitude 18587491.983095

Triangular Pyramid

Length = n
Surface area 1.9947154939789E+14
Volume 1.1652100971125E+21
Height 10117749.101479