21998904 (number)

21998904 is an even 8-digits composite number following 21998903 and preceding 21998905. In scientific notation, it is written as 2.1998904 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 7332960 positive integers (up to 21998904) that are relatively prime to 21998904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1998904 × 10^7
Engineering notation 2.1998904 × 10^6

Prime Factorization of 21998904

Prime Factorization 2 × 2 × 2 × 3 × 916621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5499726
Product of the distinct prime numbers

The prime factorization of 21998904 is 2 × 2 × 2 × 3 × 916621. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 22, 27, 639, 148, 5455, 1321, 21063, 51875, 661007, 996333, 5454110, 4260687, 53721558, 15852691, 215734671, 618638731, 1184424619, 5745502235

Basic calculations (n = 21998904)

Multiplication

n×y
n×2 43997808
n×3 65996712
n×4 87995616
n×5 109994520

Division

n÷y
n÷2 10999452
n÷3 7332968
n÷3 5499726
n÷5 4399780.8

Exponentiation

ny
n2 483951777201216
n3 1.0646408687279E+22
n4 2.3420932265622E+29
n5 5.1523484050191E+36

Nth Root

y√n
2√n 4690.2989243757
3√n 280.19927990477
4√n 68.485757091352
5√n 29.408996718905

Divisors of 21998904

1, 2, 3, 4, 6, 8, 12, 24, 916621, 1833242, 2749863, 3666484, 5499726, 7332968, 10999452, 21998904

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998904 can be divided by 16 positive divisors. The sum of these divisors (counting 21998904) is 1, the average is 0.0625.

Base conversion 21998904

Base System Value
2 Binary 1010011111010110100111000
3 Ternary 1112101122211020
4 Quaternary 1103322310320
5 Quinary 21112431104
6 Senary 2103302440
8 Octal 123726470
10 Decimal 21998904
12 Duodecimal 744aa20
16 Hexadecimal 14fad38
20 Vigesimal 6h9h54
36 Base36 d3igo

Cryptographic Hash Functions

md5 70935a2b460c1caf02fac6ab63a9c65c
sha1 9c26013013116972a5451497ebaa4787cd1cec8a
sha256 1ee948c9c8f97ab3bde429cf4a1bf1bc738f3b8322cebe6933d5ea339c323d4f
sha512 c00995eb45f693bb624fec376a81f463f5a7959b5918d546aafaecc982d3e9e846206fc737a148d76a423b54cc19d9a5f39c07cb567e78de0f505f1a4cdefb4e
ripemd-160 d55c8bfe8a6787457a7a6e211ab3949d6a0c95c2

21998904 as geometric shapes

Circle

Radius = n
Diameter 43997808
Circumference 138223190.38685
Area 1.5203793479471E+15

Sphere

Radius = n
Volume 4.4595572425427E+22
Surface area 6.0815173917883E+15
Circumference 138223190.38685

Square

Length = n
Perimeter 87995616
Area 483951777201216
Diagonal 31111148.394144

Cube

Length = n
Surface area 2903710663207296
Volume 1.0646408687279E+22
Space diagonal 38103219.43883

Equilateral Triangle

Length = n
Perimeter 65996712
Area 2.0955726663144E+14
Altitude 19051609.719415

Triangular Pyramid

Length = n
Surface area 2.0955726663144E+14
Volume 1.2546912963431E+21
Height 10370382.798048