21497983 is an odd 8-digits composite number following 21497982
and preceding 21497984 . In scientific notation, it is written as 2.1497983 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 19844136 positive integers (up to 21497983) that are relatively prime to 21497983.
21497983 has 4 divisors, whose sum is 21625360
The reverse of 21497983 is 38979412
Previous prime number is 169
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million four hundred ninety-seven thousand nine hundred eighty-three
Scientific notation
2.1497983 × 10^7
Engineering notation
2.1497983 × 10^6
Prime Factorization
169 × 127207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21497983
Product of the distinct prime numbers
The prime factorization of 21497983 is 169 × 127207.
Since it has a total of 2 prime factors.
7 , 5 , 49 , 78 , 591 , 722 , 864 , 2909 , 52582 , 21334 , 184003 , 173634 , 8603579 , 3458691 , 22805907 , 3794428 , 503422410 , 22213752 , 437925517 , 1066878141
n×2
42995966
n×3
64493949
n×4
85991932
n×5
107489915
n÷2
10748991.5
n÷3
7165994.3333333
n÷3
5374495.75
n÷5
4299596.6
n2
462163273068289
n3
9.9355781876464E+21
n4
2.1359489097319E+29
n5
4.5918593350286E+36
2 √n
4636.591743943
3 √n
278.05619259863
4 √n
68.092523407074
5 √n
29.273829768876
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497982
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497983 can be divided by 4 positive divisors.
The sum of these divisors (counting 21497983) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000100001111111
3
Ternary
1111110012200121
4
Quaternary
1102000201333
5
Quinary
21000413413
6
Senary
2044435411
8
Octal
122004177
10
Decimal
21497983
12
Duodecimal
7248b67
16
Hexadecimal
148087f
20
Vigesimal
6e74j3
36
Base36
csry7
md5
2ba0a057a524017713c389c855b61f8c
sha1
6608b4a793f3b375b63f544eab9c58d9338a16aa
sha256
b9e1912a402df1ee3fc3995a8b903f78aa5b29630decff6303890622de008b80
sha512
b0ec022684f55b2eaaefce00d14d542946bee1ae8add1db35997944e7ccc3a39379ffac820d084affa092711df9228bb40034c49d5b43de3d6a982a1ccc225b6
ripemd-160
c050ccde65b3a0aa505ae00ecb5f7f67190cee2e
Diameter
42995966
Circumference
135075810.9196
Area
1.4519287434304E+15
Volume
4.1618052591303E+22
Surface area
5.8077149737214E+15
Circumference
135075810.9196
Perimeter
85991932
Area
462163273068289
Diagonal
30402739.122266
Surface area
2772979638409734
Volume
9.9355781876464E+21
Space diagonal
37235598.816252
Perimeter
64493949
Area
2.0012256758665E+14
Altitude
18617799.408126
Surface area
2.0012256758665E+14
Volume
1.1709191185823E+21
Height
10134246.374089