21497827 is an odd 8-digits composite number following 21497826
and preceding 21497828 . In scientific notation, it is written as 2.1497827 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 19844136 positive integers (up to 21497827) that are relatively prime to 21497827.
21497827 has 4 divisors, whose sum is 23151520
The reverse of 21497827 is 72879412
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred ninety-seven thousand eight hundred twenty-seven
Scientific notation
2.1497827 × 10^7
Engineering notation
2.1497827 × 10^6
Prime Factorization
13 × 1653679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21497827
Product of the distinct prime numbers
The prime factorization of 21497827 is 13 × 1653679.
Since it has a total of 2 prime factors.
6 , 9 , 78 , 2 , 947 , 550 , 9008 , 9200 , 66609 , 37816 , 448706 , 79266 , 2225010 , 3557296 , 91927085 , 78530197 , 71285213 , 608863264 , 5591848071 , 6037473524
n×2
42995654
n×3
64493481
n×4
85991308
n×5
107489135
n÷2
10748913.5
n÷3
7165942.3333333
n÷3
5374456.75
n÷5
4299565.4
n2
462156565721929
n3
9.9353618968042E+21
n4
2.1358869123989E+29
n5
4.5916927334315E+36
2 √n
4636.5749212107
3 √n
278.05552002591
4 √n
68.092399878479
5 √n
29.273787283674
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497826
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497827 can be divided by 4 positive divisors.
The sum of these divisors (counting 21497827) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000011111100011
3
Ternary
1111110012110211
4
Quaternary
1102000133203
5
Quinary
21000412302
6
Senary
2044434551
8
Octal
122003743
10
Decimal
21497827
12
Duodecimal
7248a57
16
Hexadecimal
14807e3
20
Vigesimal
6e74b7
36
Base36
csrtv
md5
6ad394de99de9f6ca2bff116de33a2fe
sha1
8a90eef79bbc49b2917d16bcd54014654babb796
sha256
b42d84bffa2324cc90b3cd9ecf1c5f1f9e990720ffd94f833df455fa185e4410
sha512
56a76356c024ee4b9738a610f008e784e486edcc42102138a81a78cb05a8bbc9eed272dab8368a23d733469f9a40ae21fdefb821761596156ad90e05f64b0a3f
ripemd-160
a543f792c38f62017f16ccfc5d2f79f3394507f5
Diameter
42995654
Circumference
135074830.74269
Area
1.4519076716803E+15
Volume
4.1617146594341E+22
Surface area
5.8076306867212E+15
Circumference
135074830.74269
Perimeter
85991308
Area
462156565721929
Diagonal
30402518.504951
Surface area
2772939394331574
Volume
9.9353618968042E+21
Space diagonal
37235328.616326
Perimeter
64493481
Area
2.0011966322048E+14
Altitude
18617664.308163
Surface area
2.0011966322048E+14
Volume
1.1708936284621E+21
Height
10134172.834984