21889984 is an even 8-digits composite number following 21889983
and preceding 21889985 . In scientific notation, it is written as 2.1889984 × 10^7.
The sum of its digits is 49. It has a total of 8 prime factors and 28 positive divisors.
There are 10886400 positive integers (up to 21889984) that are relatively prime to 21889984.
21889984 has 28 divisors, whose sum is 43670728
The reverse of 21889984 is 48998812
Previous prime number is 211
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-one million eight hundred eighty-nine thousand nine hundred eighty-four
Scientific notation
2.1889984 × 10^7
Engineering notation
2.1889984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 211 × 1621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
684062
Product of the distinct prime numbers
The prime factorization of 21889984 is 2 × 2 × 2 × 2 × 2 × 2 × 211 × 1621.
Since it has a total of 8 prime factors.
9 , 5 , 99 , 48 , 384 , 252 , 3719 , 1060 , 32239 , 85304 , 292075 , 511751 , 1060658 , 9493651 , 56409576 , 24588495 , 724682665 , 577525609 , 6571630861 , 6965679579
n×2
43779968
n×3
65669952
n×4
87559936
n×5
109449920
n÷2
10944992
n÷3
7296661.3333333
n÷3
5472496
n÷5
4377996.8
n2
479171399520256
n3
1.0489054268756E+22
n4
2.296052301182E+29
n5
5.0260548136037E+36
2 √n
4678.6733162297
3 √n
279.73607784125
4 √n
68.400828329997
5 √n
29.379817167905
1 , 2 , 4 , 8 , 16 , 32 , 64 , 211 , 422 , 844 , 1621 , 1688 , 3242 , 3376 , 6484 , 6752 , 12968 , 13504 , 25936 , 51872 , 103744 , 342031 , 684062 , 1368124 , 2736248 , 5472496 , 10944992 , 21889984
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21889983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21889984 can be divided by 28 positive divisors.
The sum of these divisors (counting 21889984) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1010011100000001111000000
3
Ternary
1112012010102011
4
Quaternary
1103200033000
5
Quinary
21100434414
6
Senary
2101102304
8
Octal
123401700
10
Decimal
21889984
12
Duodecimal
73b7994
16
Hexadecimal
14e03c0
20
Vigesimal
6gg4j4
36
Base36
d16f4
md5
e485c9ae008b80929a519db56f746450
sha1
351b958a915adca8ccb645a905a76fc484a5daf6
sha256
e2237ed94fc4004850eda6dcb8ff03cf06e4d0a12fe97154a7ab534bab45ffdc
sha512
159a314658d5c021becaf69a6bc1ad2da8a0d922569f740af3a1810b4b861d8ad941b86c6e17486c775d8f41ead8881fb8b3247b34ae40af6d821e8ac0653f58
ripemd-160
6b5f38d6c536f97a724cf2ece1d069e6077a43dd
Diameter
43779968
Circumference
137538825.8432
Area
1.5053613485432E+15
Volume
4.3936447778438E+22
Surface area
6.0214453941727E+15
Circumference
137538825.8432
Perimeter
87559936
Area
479171399520256
Diagonal
30957112.25293
Surface area
2875028397121536
Volume
1.0489054268756E+22
Space diagonal
37914564.46487
Perimeter
65669952
Area
2.0748730237574E+14
Altitude
18957282.232435
Surface area
2.0748730237574E+14
Volume
1.2361469002785E+21
Height
10319037.417643