21858081 (number)

21858081 is an odd 8-digits composite number following 21858080 and preceding 21858082. In scientific notation, it is written as 2.1858081 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 12490320 positive integers (up to 21858081) that are relatively prime to 21858081.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred fifty-eight thousand eighty-one

Notation

Scientific notation 2.1858081 × 10^7
Engineering notation 2.1858081 × 10^6

Prime Factorization of 21858081

Prime Factorization 3 × 7 × 1040861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21858081
Product of the distinct prime numbers

The prime factorization of 21858081 is 3 × 7 × 1040861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21858081)

Multiplication

n×y
n×2 43716162
n×3 65574243
n×4 87432324
n×5 109290405

Division

n÷y
n÷2 10929040.5
n÷3 7286027
n÷3 5464520.25
n÷5 4371616.2

Exponentiation

ny
n2 477775705002561
n3 1.0443260059778E+22
n4 2.2826962429069E+29
n5 4.9895359375856E+36

Nth Root

y√n
2√n 4675.2626664178
3√n 279.6001136919
4√n 68.375892435988
5√n 29.371248397772

Divisors of 21858081

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 -21858080
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 21858081 can be divided by 8 positive divisors. The sum of these divisors (counting 21858081) is 1, the average is 0.125.

Base conversion 21858081

Base System Value
2 Binary 1010011011000011100100001
3 Ternary 1112010111122120
4 Quaternary 1103120130201
5 Quinary 21043424311
6 Senary 2100254453
8 Octal 123303441
10 Decimal 21858081
12 Duodecimal 73a1429
16 Hexadecimal 14d8721
20 Vigesimal 6gc541
36 Base36 d0hsx

Cryptographic Hash Functions

md5 7f11f701394984b6c8257ff36889037e
sha1 eb60e65d9fe490079645cb46904e50971526e2f6
sha256 662cc5e9b1a375f5c1bd6f1ad9e1408a79dceceedb6650aed2c8747d8fb1e1b1
sha512 d2319723ad75b0a4a4f36613be97be040ad90f5b1556603ea76160b2a93d76794887e98224d3588cc56c1bad1f370240263fef39c4d1966849c5559ee199654d
ripemd-160 906ba6c7d222ce483940cfdfcaeae1a70c4851f0

21858081 as geometric shapes

Circle

Radius = n
Diameter 43716162
Circumference 137338373.38234
Area 1.5009766448997E+15

Sphere

Radius = n
Volume 4.3744625444435E+22
Surface area 6.0039065795989E+15
Circumference 137338373.38234

Square

Length = n
Perimeter 87432324
Area 477775705002561
Diagonal 30911994.59765

Cube

Length = n
Surface area 2866654230015366
Volume 1.0443260059778E+22
Space diagonal 37859306.847956

Equilateral Triangle

Length = n
Perimeter 65574243
Area 2.0688294892162E+14
Altitude 18929653.423978

Triangular Pyramid

Length = n
Surface area 2.0688294892162E+14
Volume 1.230750000994E+21
Height 10303998.199217