21904988 (number)

21904988 is an even 8-digits composite number following 21904987 and preceding 21904989. In scientific notation, it is written as 2.1904988 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 9158400 positive integers (up to 21904988) that are relatively prime to 21904988.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred four thousand nine hundred eighty-eight

Notation

Scientific notation 2.1904988 × 10^7
Engineering notation 2.1904988 × 10^6

Prime Factorization of 21904988

Prime Factorization 2 × 2 × 7 × 41 × 19081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10952494
Product of the distinct prime numbers

The prime factorization of 21904988 is 2 × 2 × 7 × 41 × 19081. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 58, 98, 969, 555, 8888, 4333, 85275, 47918, 189543, 391922, 2587481, 6190597, 52968788, 64731580, 272175453, 600036000, 7750340425, 7157674031

Basic calculations (n = 21904988)

Multiplication

n×y
n×2 43809976
n×3 65714964
n×4 87619952
n×5 109524940

Division

n÷y
n÷2 10952494
n÷3 7301662.6666667
n÷3 5476247
n÷5 4380997.6

Exponentiation

ny
n2 479828499280144
n3 1.051063751879E+22
n4 2.3023538872144E+29
n5 5.0433034271184E+36

Nth Root

y√n
2√n 4680.2764875593
3√n 279.79997619049
4√n 68.412546273028
5√n 29.383843611851

Divisors of 21904988

1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 19081, 38162, 76324, 133567, 267134, 534268, 782321, 1564642, 3129284, 5476247, 10952494, 21904988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21904987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21904988 can be divided by 24 positive divisors. The sum of these divisors (counting 21904988) is 1, the average is 0.041666666666667.

Base conversion 21904988

Base System Value
2 Binary 1010011100011111001011100
3 Ternary 1112012212222212
4 Quaternary 1103203321130
5 Quinary 21101424423
6 Senary 2101255552
8 Octal 123437134
10 Decimal 21904988
12 Duodecimal 74045b8
16 Hexadecimal 14e3e5c
20 Vigesimal 6gi298
36 Base36 d1hzw

Cryptographic Hash Functions

md5 fe3eb3a328e7ca2aefc909b7c851d946
sha1 4dd9c89ac3851cbd805dda3dd7a68aa3262fdc74
sha256 8ffea86dd641f1f24fafe13025a7213672988a6a29539ffb76d306af1dcaf9b7
sha512 5fa5c25d1c2f0565ad4fd5d65d2960b9c131d5c3bd6a70d443658150f5c1f592f1edebe16f4dfe444f0a25dab302bd1e2d774e24319fc67c6f0b3e3abda1a2a3
ripemd-160 151439f07f39ab19330a43de098c7aeadbe822d4

21904988 as geometric shapes

Circle

Radius = n
Diameter 43809976
Circumference 137633098.75555
Area 1.5074256883215E+15

Sphere

Radius = n
Volume 4.4026855484766E+22
Surface area 6.0297027532861E+15
Circumference 137633098.75555

Square

Length = n
Perimeter 87619952
Area 479828499280144
Diagonal 30978331.11322

Cube

Length = n
Surface area 2878970995680864
Volume 1.051063751879E+22
Space diagonal 37940552.155187

Equilateral Triangle

Length = n
Perimeter 65714964
Area 2.0777183491818E+14
Altitude 18970276.077593

Triangular Pyramid

Length = n
Surface area 2.0777183491818E+14
Volume 1.2386905106883E+21
Height 10326110.371073