21490154 is an even 8-digits composite number following 21490153
and preceding 21490155 . In scientific notation, it is written as 2.1490154 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 9210060 positive integers (up to 21490154) that are relatively prime to 21490154.
21490154 has 8 divisors, whose sum is 36840288
The reverse of 21490154 is 45109412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety thousand one hundred fifty-four
Scientific notation
2.1490154 × 10^7
Engineering notation
2.1490154 × 10^6
Prime Factorization
2 × 7 × 1535011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21490154
Product of the distinct prime numbers
The prime factorization of 21490154 is 2 × 7 × 1535011.
Since it has a total of 3 prime factors.
4 , 4 , 74 , 50 , 825 , 154 , 2811 , 3347 , 5075 , 29824 , 254086 , 374278 , 6940546 , 8348578 , 83537234 , 5569858 , 228475388 , 332499054 , 2306836727 , 6689297513
n×2
42980308
n×3
64470462
n×4
85960616
n×5
107450770
n÷2
10745077
n÷3
7163384.6666667
n÷3
5372538.5
n÷5
4298030.8
n2
461826718943716
n3
9.9247273114152E+21
n4
2.1328391833032E+29
n5
4.583504250642E+36
2 √n
4635.7474046803
3 √n
278.02243491631
4 √n
68.086323183737
5 √n
29.271697306442
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490153
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490154 can be divided by 8 positive divisors.
The sum of these divisors (counting 21490154) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110100111101010
3
Ternary
1111102210221122
4
Quaternary
1101332213222
5
Quinary
21000141104
6
Senary
2044335242
8
Octal
121764752
10
Decimal
21490154
12
Duodecimal
7244522
16
Hexadecimal
147e9ea
20
Vigesimal
6e657e
36
Base36
cslwq
md5
27e64eeb7b201884364acb712d46ddc6
sha1
6c725c2771f04763f87056575dc9d4b53eeaaa36
sha256
82c7f2acf3dd4d5d673945d2a984f6a20257e8bfdf30aadaba4ef108216e809a
sha512
5c1da3b26628a29274ca8f872bca7826f966fb2f4c163f1a8b5ef283630a111e2ecefe5c06ef20f3d61c9a3a5d6294b39d590b3391d64f167cc28404c3cd5a09
ripemd-160
be4863be13b1637780b73ff768ddb183370de8a5
Diameter
42980308
Circumference
135026619.86183
Area
1.4508714274651E+15
Volume
4.1572600547232E+22
Surface area
5.8034857098602E+15
Circumference
135026619.86183
Perimeter
85960616
Area
461826718943716
Diagonal
30391667.244286
Surface area
2770960313662296
Volume
9.9247273114152E+21
Space diagonal
37222038.59048
Perimeter
64470462
Area
1.9997683537584E+14
Altitude
18611019.29524
Surface area
1.9997683537584E+14
Volume
1.1696403305548E+21
Height
10130555.748095