21690698 is an even 8-digits composite number following 21690697
and preceding 21690699 . In scientific notation, it is written as 2.1690698 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 10832236 positive integers (up to 21690698) that are relatively prime to 21690698.
21690698 has 8 divisors, whose sum is 32575392
The reverse of 21690698 is 89609612
Previous prime number is 887
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million six hundred ninety thousand six hundred ninety-eight
Scientific notation
2.1690698 × 10^7
Engineering notation
2.1690698 × 10^6
Prime Factorization
2 × 887 × 12227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21690698
Product of the distinct prime numbers
The prime factorization of 21690698 is 2 × 887 × 12227.
Since it has a total of 3 prime factors.
1 , 2 , 76 , 71 , 15 , 432 , 5800 , 2496 , 8266 , 4593 , 993228 , 867378 , 354974 , 8491830 , 89300904 , 25957962 , 103004741 , 115115837 , 6961597579 , 2376803843
n×2
43381396
n×3
65072094
n×4
86762792
n×5
108453490
n÷2
10845349
n÷3
7230232.6666667
n÷3
5422674.5
n÷5
4338139.6
n2
470486379727204
n3
1.0205177975776E+22
n4
2.2135743350881E+29
n5
4.8013972402947E+36
2 √n
4657.3273451627
3 √n
278.88458461094
4 √n
68.244614037759
5 √n
29.326126631345
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
-21690697
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 21690698 can be divided by 8 positive divisors.
The sum of these divisors (counting 21690698) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101111100101001010
3
Ternary
1111211000001012
4
Quaternary
1102233211022
5
Quinary
21023100243
6
Senary
2052523522
8
Octal
122574512
10
Decimal
21690698
12
Duodecimal
73205a2
16
Hexadecimal
14af94a
20
Vigesimal
6fb6ei
36
Base36
cwwne
md5
a8354a0fd371631d4777841f72169046
sha1
10b197c4b30860c7e730a4641146fa5c1712abd7
sha256
329968e09951967f013536ceac43e1a1002c1afa2b0b17653bcd80838daab69f
sha512
c06cb448a1bdc4ac7c836cb74c33cfb3e2b35cfeb72f7d3801e094d3cf52a143d160aca196a8761037d340f5a86c36c74ecfe8298b17ab5aeed88c0ab7e10d9c
ripemd-160
51756e64211f5fb4209142e2e0986648ea6eed72
Diameter
43381396
Circumference
136286674.97607
Area
1.478076554165E+15
Volume
4.2747349543033E+22
Surface area
5.9123062166602E+15
Circumference
136286674.97607
Perimeter
86762792
Area
470486379727204
Diagonal
30675279.288939
Surface area
2822918278363224
Volume
1.0205177975776E+22
Space diagonal
37569390.987633
Perimeter
65072094
Area
2.0372657848917E+14
Altitude
18784695.493816
Surface area
2.0372657848917E+14
Volume
1.2026917583145E+21
Height
10225093.096313