21139948 is an even 8-digits composite number following 21139947
and preceding 21139949 . In scientific notation, it is written as 2.1139948 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors.
There are 10569972 positive integers (up to 21139948) that are relatively prime to 21139948.
21139948 has 6 divisors, whose sum is 36994916
The reverse of 21139948 is 84993112
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million one hundred thirty-nine thousand nine hundred forty-eight
Scientific notation
2.1139948 × 10^7
Engineering notation
2.1139948 × 10^6
Prime Factorization
2 × 2 × 5284987
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10569974
Product of the distinct prime numbers
The prime factorization of 21139948 is 2 × 2 × 5284987.
Since it has a total of 3 prime factors.
9 , 6 , 92 , 18 , 901 , 23 , 6396 , 3177 , 33638 , 41003 , 609058 , 938464 , 5527815 , 9018431 , 42971214 , 82883987 , 684014298 , 387715427 , 787655134 , 3932615115
n×2
42279896
n×3
63419844
n×4
84559792
n×5
105699740
n÷2
10569974
n÷3
7046649.3333333
n÷3
5284987
n÷5
4227989.6
n2
446897401442704
n3
9.4473878278339E+21
n4
1.9971728741624E+29
n5
4.2220130706804E+36
2 √n
4597.8199181786
3 √n
276.50392777715
4 √n
67.807226150158
5 √n
29.17566629312
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21139947
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21139948 can be divided by 6 positive divisors.
The sum of these divisors (counting 21139948) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000101001000111101100
3
Ternary
1110210000120001
4
Quaternary
1100221013230
5
Quinary
20402434243
6
Senary
2033034044
8
Octal
120510754
10
Decimal
21139948
12
Duodecimal
70b5924
16
Hexadecimal
14291ec
20
Vigesimal
6c29h8
36
Base36
cl3os
md5
0e43162d76aea4458e19661c1664f709
sha1
309dfc1abdfd23834b99aa2a44852a0b6329e6cf
sha256
cdfae98c66337c62feb4985990109c7b11815e0f860d3ae07ca1865a4a54f763
sha512
29fbfcbacf1a1dd65d1047a8af8b6924c75197460e8dd3da17a50c1ff8331fd2ba0eb86f383e1377c588d960de91a1ea079f9c80c0294233deacc993365cb283
ripemd-160
4a593bf5013f76ca802f5483f70a3d47334a17b6
Diameter
42279896
Circumference
132826210.66814
Area
1.4039695932808E+15
Volume
3.9573125594049E+22
Surface area
5.6158783731231E+15
Circumference
132826210.66814
Perimeter
84559792
Area
446897401442704
Diagonal
29896401.169462
Surface area
2681384408656224
Volume
9.4473878278339E+21
Space diagonal
36615464.005364
Perimeter
63419844
Area
1.9351225126732E+14
Altitude
18307732.002682
Surface area
1.9351225126732E+14
Volume
1.1133853329268E+21
Height
9965467.0564873