21490130 is an even 8-digits composite number following 21490129
and preceding 21490131 . In scientific notation, it is written as 2.1490130 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 8251200 positive integers (up to 21490130) that are relatively prime to 21490130.
21490130 has 32 divisors, whose sum is 40255488
The reverse of 21490130 is 03109412
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million four hundred ninety thousand one hundred thirty
Scientific notation
2.1490130 × 10^7
Engineering notation
2.1490130 × 10^6
Prime Factorization
2 × 5 × 31 × 181 × 383
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21490130
Product of the distinct prime numbers
The prime factorization of 21490130 is 2 × 5 × 31 × 181 × 383.
Since it has a total of 5 prime factors.
8 , 8 , 33 , 89 , 709 , 268 , 9592 , 1456 , 46159 , 36785 , 277703 , 188196 , 9995559 , 2799828 , 22814031 , 59195891 , 410430587 , 926062722 , 7521777990 , 1661527460
n×2
42980260
n×3
64470390
n×4
85960520
n×5
107450650
n÷2
10745065
n÷3
7163376.6666667
n÷3
5372532.5
n÷5
4298026
n2
461825687416900
n3
9.9246940599285E+21
n4
2.1328296555809E+29
n5
4.5834786566289E+36
2 √n
4635.7448161002
3 √n
278.02233141866
4 √n
68.086304174189
5 √n
29.271690768368
1 , 2 , 5 , 10 , 31 , 62 , 155 , 181 , 310 , 362 , 383 , 766 , 905 , 1810 , 1915 , 3830 , 5611 , 11222 , 11873 , 23746 , 28055 , 56110 , 59365 , 69323 , 118730 , 138646 , 346615 , 693230 , 2149013 , 4298026 , 10745065 , 21490130
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490129
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490130 can be divided by 32 positive divisors.
The sum of these divisors (counting 21490130) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111110100111010010
3
Ternary
1111102210220202
4
Quaternary
1101332213102
5
Quinary
21000141010
6
Senary
2044335202
8
Octal
121764722
10
Decimal
21490130
12
Duodecimal
7244502
16
Hexadecimal
147e9d2
20
Vigesimal
6e656a
36
Base36
cslw2
md5
10b844846c03a1764fc44b5edf5a1991
sha1
374fdd2c18a43437e5062ba4d134a3a74ad492a6
sha256
0d4b77ff57808424f882b2da74929680b17ccf3daa4c3428fe758769a406a94d
sha512
2ae78b091e5e4433dd44f6c30db1754ed4da9ade593caa186307374b0bcdba50a4e9ea5f3b57d182e0052e4f2f424ecb73d4bd49e6d735a5c19f3deb437e45ba
ripemd-160
d6351941e6378ce59bdc84714819b49338ce465b
Diameter
42980260
Circumference
135026469.06538
Area
1.450868186828E+15
Volume
4.157246126373E+22
Surface area
5.803472747312E+15
Circumference
135026469.06538
Perimeter
85960520
Area
461825687416900
Diagonal
30391633.303161
Surface area
2770954124501400
Volume
9.9246940599285E+21
Space diagonal
37221997.02126
Perimeter
64470390
Area
1.9997638871162E+14
Altitude
18610998.51063
Surface area
1.9997638871162E+14
Volume
1.1696364118296E+21
Height
10130544.434387