21863721 (number)

21863721 is an odd 8-digits composite number following 21863720 and preceding 21863722. In scientific notation, it is written as 2.1863721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13250720 positive integers (up to 21863721) that are relatively prime to 21863721.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.1863721 × 10^7
Engineering notation 2.1863721 × 10^6

Prime Factorization of 21863721

Prime Factorization 3 × 11 × 662537

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21863721
Product of the distinct prime numbers

The prime factorization of 21863721 is 3 × 11 × 662537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21863721)

Multiplication

n×y
n×2 43727442
n×3 65591163
n×4 87454884
n×5 109318605

Division

n÷y
n÷2 10931860.5
n÷3 7287907
n÷3 5465930.25
n÷5 4372744.2

Exponentiation

ny
n2 478022295965841
n3 1.0451346110777E+22
n4 2.2850531544045E+29
n5 4.9959764638071E+36

Nth Root

y√n
2√n 4675.8658021804
3√n 279.62415985632
4√n 68.380302735367
5√n 29.37276396308

Divisors of 21863721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21863720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21863721 can be divided by 8 positive divisors. The sum of these divisors (counting 21863721) is 1, the average is 0.125.

Base conversion 21863721

Base System Value
2 Binary 1010011011001110100101001
3 Ternary 1112010210101110
4 Quaternary 1103121310221
5 Quinary 21044114341
6 Senary 2100340533
8 Octal 123316451
10 Decimal 21863721
12 Duodecimal 73a4749
16 Hexadecimal 14d9d29
20 Vigesimal 6gcj61
36 Base36 d0m5l

Cryptographic Hash Functions

md5 404223fafd241bfd9d5c600a2d38f55c
sha1 ef64728e022f01cc61694ac9838c5ba97bb5a625
sha256 967d53656e82cb916f8db68d0c8a23543c02e32cfc1e6694b87e0be05eadcb54
sha512 dbcf978d2152fd66404743822f43ae2dd9f3c9aca950483a42f969d441b1a9479a08d0615ed847aab34473da83304f5baf32cdba34490af9ada3590734475542
ripemd-160 7940c8c791a099ec7934addf5a71ffa4f34e4753

21863721 as geometric shapes

Circle

Radius = n
Diameter 43727442
Circumference 137373810.54747
Area 1.5017513332584E+15

Sphere

Radius = n
Volume 4.3778496215653E+22
Surface area 6.0070053330336E+15
Circumference 137373810.54747

Square

Length = n
Perimeter 87454884
Area 478022295965841
Diagonal 30919970.762141

Cube

Length = n
Surface area 2868133775795046
Volume 1.0451346110777E+22
Space diagonal 37869075.614511

Equilateral Triangle

Length = n
Perimeter 65591163
Area 2.0698972594089E+14
Altitude 18934537.807255

Triangular Pyramid

Length = n
Surface area 2.0698972594089E+14
Volume 1.231702951243E+21
Height 10306656.920714