21856988 (number)

21856988 is an even 8-digits composite number following 21856987 and preceding 21856989. In scientific notation, it is written as 2.1856988 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 10722192 positive integers (up to 21856988) that are relatively prime to 21856988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1856988 × 10^7
Engineering notation 2.1856988 × 10^6

Prime Factorization of 21856988

Prime Factorization 2 × 2 × 53 × 103099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10928494
Product of the distinct prime numbers

The prime factorization of 21856988 is 2 × 2 × 53 × 103099. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 86, 42, 211, 615, 4261, 2677, 76172, 89812, 314366, 154164, 6665664, 4709932, 87927591, 18339245, 44748054, 118987068, 6133409699, 9511710274

Basic calculations (n = 21856988)

Multiplication

n×y
n×2 43713976
n×3 65570964
n×4 87427952
n×5 109284940

Division

n÷y
n÷2 10928494
n÷3 7285662.6666667
n÷3 5464247
n÷5 4371397.6

Exponentiation

ny
n2 477727924432144
n3 1.0441693511578E+22
n4 2.2822396978224E+29
n5 4.9882885688429E+36

Nth Root

y√n
2√n 4675.1457731284
3√n 279.59545320321
4√n 68.375037646267
5√n 29.370954653627

Divisors of 21856988

1, 2, 4, 53, 106, 212, 103099, 206198, 412396, 5464247, 10928494, 21856988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21856987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21856988 can be divided by 12 positive divisors. The sum of these divisors (counting 21856988) is 1, the average is 0.083333333333333.

Base conversion 21856988

Base System Value
2 Binary 1010011011000001011011100
3 Ternary 1112010110011002
4 Quaternary 1103120023130
5 Quinary 21043410423
6 Senary 2100245432
8 Octal 123301334
10 Decimal 21856988
12 Duodecimal 73a0878
16 Hexadecimal 14d82dc
20 Vigesimal 6gc298
36 Base36 d0gyk

Cryptographic Hash Functions

md5 e5062f2a826b68c1aa6f57a943458c66
sha1 7c14b569bd6792dfa095406f612f1c9187575673
sha256 2108a3f1be5565dcc8df50c4896d89ce2331d13c4b25dedff2f540854f9fefa8
sha512 e18b9fc5f11468ecbb5c96cb132547d5c2c3771213ec7db8d5654e3c28e295910e76528cc3537f4c40096b30219c8c18fe28dc733f86b3d2e7c8581833711b09
ripemd-160 759f87e5f318ca23fbf22fa39a694fdda8fba91e

21856988 as geometric shapes

Circle

Radius = n
Diameter 43713976
Circumference 137331505.8608
Area 1.5008265378107E+15

Sphere

Radius = n
Volume 4.3738063502681E+22
Surface area 6.0033061512429E+15
Circumference 137331505.8608

Square

Length = n
Perimeter 87427952
Area 477727924432144
Diagonal 30910448.862226

Cube

Length = n
Surface area 2866367546592864
Volume 1.0441693511578E+22
Space diagonal 37857413.716423

Equilateral Triangle

Length = n
Perimeter 65570964
Area 2.0686225932772E+14
Altitude 18928706.858212

Triangular Pyramid

Length = n
Surface area 2.0686225932772E+14
Volume 1.2305653815181E+21
Height 10303482.954075