21000880 is an even 8-digits composite number following 21000879
and preceding 21000881 . In scientific notation, it is written as 2.1000880 × 10^7.
The sum of its digits is 19. It has a total of 6 prime factors and 20 positive divisors.
There are 8400320 positive integers (up to 21000880) that are relatively prime to 21000880.
21000880 has 20 divisors, whose sum is 48827232
The reverse of 21000880 is 08800012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million eight hundred eighty
Scientific notation
2.1000880 × 10^7
Engineering notation
2.1000880 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 262511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2625110
Product of the distinct prime numbers
The prime factorization of 21000880 is 2 × 2 × 2 × 2 × 5 × 262511.
Since it has a total of 6 prime factors.
9 , 4 , 12 , 91 , 98 , 884 , 1521 , 3915 , 65948 , 22022 , 960693 , 841464 , 3153249 , 5940206 , 22985223 , 78009517 , 714637166 , 496030326 , 252238692 , 9657379485
n×2
42001760
n×3
63002640
n×4
84003520
n×5
105004400
n÷2
10500440
n÷3
7000293.3333333
n÷3
5250220
n÷5
4200176
n2
441036960774400
n3
9.2621642887879E+21
n4
1.9451360076912E+29
n5
4.0849567881202E+36
2 √n
4582.6717098217
3 √n
275.89627131964
4 √n
67.695433448806
5 √n
29.13717877693
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 262511 , 525022 , 1050044 , 1312555 , 2100088 , 2625110 , 4200176 , 5250220 , 10500440 , 21000880
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000879
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000880 can be divided by 20 positive divisors.
The sum of these divisors (counting 21000880) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000111001010110000
3
Ternary
1110111221210101
4
Quaternary
1100013022300
5
Quinary
20334012010
6
Senary
2030042144
8
Octal
120071260
10
Decimal
21000880
12
Duodecimal
7049354
16
Hexadecimal
14072b0
20
Vigesimal
6b5240
36
Base36
ci4ds
md5
587e790851376a42a1c19be7d6351c75
sha1
949ebfb93447ccb691ab0b19f4dce032c89766cd
sha256
77719fcbf123636d2e7365c13a7c015a32d429baad0935b41e267c4329f25431
sha512
4f36d753d2ee617a7fb238e0088c9d26db5e7d3bed953d0f9bf07b6fc547d666034fd7f770d73f4c77ec58877027891a30d50b930e19be984bdb740c84d46f2a
ripemd-160
054db02c6aef3fe87778f2dd6ff75d0883653832
Diameter
42001760
Circumference
131952420.65384
Area
1.3855584759304E+15
Volume
3.8797263047997E+22
Surface area
5.5422339037217E+15
Circumference
131952420.65384
Perimeter
84003520
Area
441036960774400
Diagonal
29699729.31777
Surface area
2646221764646400
Volume
9.2621642887879E+21
Space diagonal
36374591.163657
Perimeter
63002640
Area
1.9097460601926E+14
Altitude
18187295.581829
Surface area
1.9097460601926E+14
Volume
1.091556529511E+21
Height
9899909.77259