21084880 is an even 8-digits composite number following 21084879
and preceding 21084881 . In scientific notation, it is written as 2.1084880 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 8433920 positive integers (up to 21084880) that are relatively prime to 21084880.
21084880 has 20 divisors, whose sum is 49022532
The reverse of 21084880 is 08848012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-four thousand eight hundred eighty
Scientific notation
2.1084880 × 10^7
Engineering notation
2.1084880 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 263561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2635610
Product of the distinct prime numbers
The prime factorization of 21084880 is 2 × 2 × 2 × 2 × 5 × 263561.
Since it has a total of 6 prime factors.
1 , 1 , 35 , 75 , 553 , 100 , 850 , 491 , 99639 , 58655 , 19937 , 219061 , 893774 , 8001386 , 97797608 , 16627878 , 76564007 , 447954504 , 5924322302 , 9797297810
n×2
42169760
n×3
63254640
n×4
84339520
n×5
105424400
n÷2
10542440
n÷3
7028293.3333333
n÷3
5271220
n÷5
4216976
n2
444572164614400
n3
9.3737507422349E+21
n4
1.9764440954993E+29
n5
4.1673086580312E+36
2 √n
4591.8275228933
3 √n
276.26362824599
4 √n
67.763024747227
5 √n
29.160450339988
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 263561 , 527122 , 1054244 , 1317805 , 2108488 , 2635610 , 4216976 , 5271220 , 10542440 , 21084880
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
-21084879
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 21084880 can be divided by 20 positive divisors.
The sum of these divisors (counting 21084880) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000011011101011010000
3
Ternary
1110200020000111
4
Quaternary
1100123223100
5
Quinary
20344204010
6
Senary
2031531104
8
Octal
120335320
10
Decimal
21084880
12
Duodecimal
7089a94
16
Hexadecimal
141bad0
20
Vigesimal
6bfc40
36
Base36
cjx74
md5
839835f3bb415366a55a4d9f65c5c8fb
sha1
5dea50f03d044b3ca1e29f3ff569d0db17896741
sha256
5d59b472cf2ec8e687223f158bb91fe1f49c0cae432ff22afdeb5ae10f0820de
sha512
e4809b3131f0c2f7961999b0825c00119a1e23281b67a7637712c33ca2ba3b6aae645851c393051e90b8b63bcb69605016f74a6bff0ae189cdfecfbaee862049
ripemd-160
55d625de7822ead258414e27bfbee05403e93c67
Diameter
42169760
Circumference
132480208.21964
Area
1.3966646463431E+15
Volume
3.9264675291183E+22
Surface area
5.5866585853724E+15
Circumference
132480208.21964
Perimeter
84339520
Area
444572164614400
Diagonal
29818523.257009
Surface area
2667432987686400
Volume
9.3737507422349E+21
Space diagonal
36520083.431493
Perimeter
63254640
Area
1.9250539418575E+14
Altitude
18260041.715746
Surface area
1.9250539418575E+14
Volume
1.1047071191645E+21
Height
9939507.7523364