21998957 is an odd 8-digits composite number following 21998956
and preceding 21998958 . In scientific notation, it is written as 2.1998957 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 21986496 positive integers (up to 21998957) that are relatively prime to 21998957.
21998957 has 4 divisors, whose sum is 22011420
The reverse of 21998957 is 75989912
Previous prime number is 2129
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-one million nine hundred ninety-eight thousand nine hundred fifty-seven
Scientific notation
2.1998957 × 10^7
Engineering notation
2.1998957 × 10^6
Prime Factorization
2129 × 10333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21998957
Product of the distinct prime numbers
The prime factorization of 21998957 is 2129 × 10333.
Since it has a total of 2 prime factors.
5 , 3 , 40 , 93 , 563 , 560 , 8197 , 4991 , 33131 , 25435 , 689761 , 457449 , 8023493 , 7598803 , 71871347 , 82040070 , 870312481 , 943197948 , 981026385 , 8516176938
n×2
43997914
n×3
65996871
n×4
87995828
n×5
109994785
n÷2
10999478.5
n÷3
7332985.6666667
n÷3
5499739.25
n÷5
4399791.4
n2
483954109087849
n3
1.0646485635797E+22
n4
2.3421157970301E+29
n5
5.1524104707887E+36
2 √n
4690.304574332
3 √n
280.19950492431
4 √n
68.485798340474
5 √n
29.409010889386
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
-21998956
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 21998957 can be divided by 4 positive divisors.
The sum of these divisors (counting 21998957) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011111010110101101101
3
Ternary
1112101122220012
4
Quaternary
1103322311231
5
Quinary
21112431312
6
Senary
2103303005
8
Octal
123726555
10
Decimal
21998957
12
Duodecimal
744aa65
16
Hexadecimal
14fad6d
20
Vigesimal
6h9h7h
36
Base36
d3ii5
md5
fe5a88977703cdc11a6a3abf56748c6d
sha1
8906b4a73edd174064cbf086beb8512fc04c3623
sha256
d6e24475c3191588dc721b880c76975fb3e663a93f666448bf9d12813f015607
sha512
4a81016f9edfd0b08602469eba9702232f04775b33991c8d106075be325a077606efb4be354a772c0899276b1317c9ce631bcd623f2c290bc1d67fb4dfcfc425
ripemd-160
762d48b9ac860d18d843589c7454301a18fc6dcc
Diameter
43997914
Circumference
138223523.39568
Area
1.520386673785E+15
Volume
4.4595894746625E+22
Surface area
6.0815466951399E+15
Circumference
138223523.39568
Perimeter
87995828
Area
483954109087849
Diagonal
31111223.347463
Surface area
2903724654527094
Volume
1.0646485635797E+22
Space diagonal
38103311.237523
Perimeter
65996871
Area
2.0955827636797E+14
Altitude
19051655.618762
Surface area
2.0955827636797E+14
Volume
1.2547003648129E+21
Height
10370407.782488