21000901 is an odd 8-digits composite number following 21000900
and preceding 21000902 . In scientific notation, it is written as 2.1000901 × 10^7.
The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors.
There are 20221488 positive integers (up to 21000901) that are relatively prime to 21000901.
21000901 has 8 divisors, whose sum is 21784320
The reverse of 21000901 is 10900012
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million nine hundred one
Scientific notation
2.1000901 × 10^7
Engineering notation
2.1000901 × 10^6
Prime Factorization
487 × 29 × 1487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000901
Product of the distinct prime numbers
The prime factorization of 21000901 is 487 × 29 × 1487.
Since it has a total of 3 prime factors.
10 , 4 , 82 , 100 , 473 , 13 , 6655 , 7465 , 42542 , 88549 , 54255 , 679227 , 2579025 , 421637 , 40831436 , 97416121 , 55360358 , 717729569 , 5630593169 , 5950790524
n×2
42001802
n×3
63002703
n×4
84003604
n×5
105004505
n÷2
10500450.5
n÷3
7000300.3333333
n÷3
5250225.25
n÷5
4200180.2
n2
441037842811801
n3
9.2621920741442E+21
n4
1.9451437879209E+29
n5
4.0849772120891E+36
2 √n
4582.674001061
3 √n
275.89636328118
4 √n
67.695450371949
5 √n
29.137184604119
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
-21000900
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 21000901 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000901) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111001011000101
3
Ternary
1110111221211011
4
Quaternary
1100013023011
5
Quinary
20334012101
6
Senary
2030042221
8
Octal
120071305
10
Decimal
21000901
12
Duodecimal
7049371
16
Hexadecimal
14072c5
20
Vigesimal
6b5251
36
Base36
ci4ed
md5
8beb60f938b7cc8aaff93c2674d0b1c0
sha1
781e98b58caa8c7c5065ca6b6439b573bfd34cd4
sha256
048c47ad4ea2dbc97eb65547cae5e208da6d349cbf9f1b4e5dda10c986881a1f
sha512
9df92e1ad6023d89689f6b59704b7db31520b9b4a4f031c7eb90922394d74114a592482020abd1efdc2c22cc7dd848f4f0f2c01c4e48797252b81051e91c3ad7
ripemd-160
370b3e6ccc530555b7bba6d64bcd32963534c645
Diameter
42001802
Circumference
131952552.60073
Area
1.3855612469326E+15
Volume
3.8797379435025E+22
Surface area
5.5422449877306E+15
Circumference
131952552.60073
Perimeter
84003604
Area
441037842811801
Diagonal
29699759.016255
Surface area
2646227056870806
Volume
9.2621920741442E+21
Space diagonal
36374627.536724
Perimeter
63002703
Area
1.9097498795265E+14
Altitude
18187313.768362
Surface area
1.9097498795265E+14
Volume
1.0915598040466E+21
Height
9899919.6720849