21861264 (number)

21861264 is an even 8-digits composite number following 21861263 and preceding 21861265. In scientific notation, it is written as 2.1861264 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 7287072 positive integers (up to 21861264) that are relatively prime to 21861264.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand two hundred sixty-four

Notation

Scientific notation 2.1861264 × 10^7
Engineering notation 2.1861264 × 10^6

Prime Factorization of 21861264

Prime Factorization 2 × 2 × 2 × 2 × 3 × 455443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2732658
Product of the distinct prime numbers

The prime factorization of 21861264 is 2 × 2 × 2 × 2 × 3 × 455443. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861264)

Multiplication

n×y
n×2 43722528
n×3 65583792
n×4 87445056
n×5 109306320

Division

n÷y
n÷2 10930632
n÷3 7287088
n÷3 5465316
n÷5 4372252.8

Exponentiation

ny
n2 477914863677696
n3 1.0447823004382E+22
n4 2.2840261692407E+29
n5 4.993169906868E+36

Nth Root

y√n
2√n 4675.6030627075
3√n 279.61368493459
4√n 68.378381544956
5√n 29.372103763241

Divisors of 21861264

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861263
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861264 can be divided by 20 positive divisors. The sum of these divisors (counting 21861264) is 1, the average is 0.05.

Base conversion 21861264

Base System Value
2 Binary 1010011011001001110010000
3 Ternary 1112010200000110
4 Quaternary 1103121032100
5 Quinary 21044030024
6 Senary 2100321320
8 Octal 123311620
10 Decimal 21861264
12 Duodecimal 73a3240
16 Hexadecimal 14d9390
20 Vigesimal 6gcd34
36 Base36 d0k9c

Cryptographic Hash Functions

md5 dff565b684f1a8238fbed6ca02a3b559
sha1 a79f6dd7406342198fc6bef2e76f223e75897fc5
sha256 6669f9519d55dcc25272bb0d08d9a4cadc9416ee46f35892d6dbd557b1925662
sha512 d58694deaa681d25784955ab8af99bae64518a0b37066cc55f7d43ba483084cde26e7cf9b718eaaaac2d65e1a45f19c5d769ffcb481cdc3d45764c7ca75ad9c7
ripemd-160 fa1fb6454c28de170bab5706be5c7100fbe824b1

21861264 as geometric shapes

Circle

Radius = n
Diameter 43722528
Circumference 137358372.76117
Area 1.5014138247712E+15

Sphere

Radius = n
Volume 4.3763738662098E+22
Surface area 6.0056552990849E+15
Circumference 137358372.76117

Square

Length = n
Perimeter 87445056
Area 477914863677696
Diagonal 30916496.039419

Cube

Length = n
Surface area 2867489182066176
Volume 1.0447823004382E+22
Space diagonal 37864819.965676

Equilateral Triangle

Length = n
Perimeter 65583792
Area 2.0694320639553E+14
Altitude 18932409.982838

Triangular Pyramid

Length = n
Surface area 2.0694320639553E+14
Volume 1.2312877491726E+21
Height 10305498.679806