21084895 is an odd 8-digits composite number following 21084894
and preceding 21084896 . In scientific notation, it is written as 2.1084895 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 15490944 positive integers (up to 21084895) that are relatively prime to 21084895.
21084895 has 16 divisors, whose sum is 27387360
The reverse of 21084895 is 59848012
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eighty-four thousand eight hundred ninety-five
Scientific notation
2.1084895 × 10^7
Engineering notation
2.1084895 × 10^6
Prime Factorization
13 × 5 × 227 × 1429
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21084895
Product of the distinct prime numbers
The prime factorization of 21084895 is 13 × 5 × 227 × 1429.
Since it has a total of 4 prime factors.
2 , 5 , 79 , 4 , 993 , 918 , 2999 , 3344 , 50931 , 13254 , 250644 , 841769 , 387575 , 551894 , 49625816 , 89649031 , 137513254 , 489067963 , 2675133623 , 7214564370
n×2
42169790
n×3
63254685
n×4
84339580
n×5
105424475
n÷2
10542447.5
n÷3
7028298.3333333
n÷3
5271223.75
n÷5
4216979
n2
444572797161025
n3
9.3737707479965E+21
n4
1.9764497197558E+29
n5
4.167323481383E+36
2 √n
4591.8291562296
3 √n
276.26369375824
4 √n
67.763036799051
5 √n
29.160454488996
1 , 5 , 13 , 65 , 227 , 1135 , 1429 , 2951 , 7145 , 14755 , 18577 , 92885 , 324383 , 1621915 , 4216979 , 21084895
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084894
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084895 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084895) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011101011011111
3
Ternary
1110200020001001
4
Quaternary
1100123223133
5
Quinary
20344204040
6
Senary
2031531131
8
Octal
120335337
10
Decimal
21084895
12
Duodecimal
7089aa7
16
Hexadecimal
141badf
20
Vigesimal
6bfc4f
36
Base36
cjx7j
md5
66c2ae4389def12613346b1641583dab
sha1
abeb3a7e1d8b0bc09b0a60dacb972f4fd51daffc
sha256
ee324a50d7ee36ac19f290a954441a27d43473ce36f95e873f7dbc5a3ea32613
sha512
2f826961bc2cd813259d6adc48628d8844bcc2d7afa69a140e588b2ab6ab069880b8bbffce58ecc1299643b4f4063b9e02097b71aad184d0c180507f7a918503
ripemd-160
92146bd9605501ae5bf77a8c440f15145a3ddc36
Diameter
42169790
Circumference
132480302.46742
Area
1.3966666335469E+15
Volume
3.9264759091121E+22
Surface area
5.5866665341878E+15
Circumference
132480302.46742
Perimeter
84339580
Area
444572797161025
Diagonal
29818544.470213
Surface area
2667436782966150
Volume
9.3737707479965E+21
Space diagonal
36520109.412255
Perimeter
63254685
Area
1.9250566808648E+14
Altitude
18260054.706127
Surface area
1.9250566808648E+14
Volume
1.1047094768661E+21
Height
9939514.8234042