21861072 (number)

21861072 is an even 8-digits composite number following 21861071 and preceding 21861073. In scientific notation, it is written as 2.1861072 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 20 positive divisors. There are 7286976 positive integers (up to 21861072) that are relatively prime to 21861072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861072 × 10^7
Engineering notation 2.1861072 × 10^6

Prime Factorization of 21861072

Prime Factorization 2 × 2 × 2 × 2 × 9 × 151813

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2732634
Product of the distinct prime numbers

The prime factorization of 21861072 is 2 × 2 × 2 × 2 × 9 × 151813. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 6, 15, 94, 152, 114, 5079, 4099, 23342, 7486, 802224, 59951, 3838452, 1706787, 47680142, 94590353, 24257256, 394608808, 3327899816, 2758110713

Basic calculations (n = 21861072)

Multiplication

n×y
n×2 43722144
n×3 65583216
n×4 87444288
n×5 109305360

Division

n÷y
n÷2 10930536
n÷3 7287024
n÷3 5465268
n÷5 4372214.4

Exponentiation

ny
n2 477906468989184
n3 1.0447547727838E+22
n4 2.2839459310171E+29
n5 4.9929506442072E+36

Nth Root

y√n
2√n 4675.5825305517
3√n 279.61286634843
4√n 68.37823140848
5√n 29.372052170033

Divisors of 21861072

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 151813, 303626, 607252, 1214504, 1366317, 2429008, 2732634, 5465268, 10930536, 21861072

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 -21861071
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 21861072 can be divided by 20 positive divisors. The sum of these divisors (counting 21861072) is 1, the average is 0.05.

Base conversion 21861072

Base System Value
2 Binary 1010011011001001011010000
3 Ternary 1112010122202100
4 Quaternary 1103121023100
5 Quinary 21044023242
6 Senary 2100320400
8 Octal 123311320
10 Decimal 21861072
12 Duodecimal 73a3100
16 Hexadecimal 14d92d0
20 Vigesimal 6gccdc
36 Base36 d0k40

Cryptographic Hash Functions

md5 af342eea268a1c4ce7d9d1df6675a59b
sha1 fff122f5f4a8d6ba06b753c4e8c69ea3023a6205
sha256 8fbd2de2b645d5f4c8df0f2cec628898bb2de579c29a4b5d8c23884340d47554
sha512 46d9c547dbc4efd201483e4a6b9b01b6856127f4dcc6acbdb52885f34b773d1fecfcef0b075a2c95bc388d75846c472bfadc8f9b1aba55c928bd0ec95c9c0b46
ripemd-160 7e9a331e13410b9a2a9c11c819d49738ff0e14af

21861072 as geometric shapes

Circle

Radius = n
Diameter 43722144
Circumference 137357166.3896
Area 1.5013874520795E+15

Sphere

Radius = n
Volume 4.3762585586407E+22
Surface area 6.0055498083178E+15
Circumference 137357166.3896

Square

Length = n
Perimeter 87444288
Area 477906468989184
Diagonal 30916224.510415

Cube

Length = n
Surface area 2867438813935104
Volume 1.0447547727838E+22
Space diagonal 37864487.411921

Equilateral Triangle

Length = n
Perimeter 65583216
Area 2.0693957138878E+14
Altitude 18932243.705961

Triangular Pyramid

Length = n
Surface area 2.0693957138878E+14
Volume 1.2312553075208E+21
Height 10305408.170138