21690835 is an odd 8-digits composite number following 21690834
and preceding 21690836 . In scientific notation, it is written as 2.1690835 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 17352664 positive integers (up to 21690835) that are relatively prime to 21690835.
21690835 has 4 divisors, whose sum is 26029008
The reverse of 21690835 is 53809612
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million six hundred ninety thousand eight hundred thirty-five
Scientific notation
2.1690835 × 10^7
Engineering notation
2.1690835 × 10^6
Prime Factorization
5 × 4338167
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21690835
Product of the distinct prime numbers
The prime factorization of 21690835 is 5 × 4338167.
Since it has a total of 2 prime factors.
2 , 2 , 38 , 96 , 32 , 831 , 1668 , 6288 , 79131 , 21064 , 845157 , 439101 , 6501765 , 9355532 , 53191855 , 55886657 , 237271068 , 701243001 , 7660346450 , 9383707323
n×2
43381670
n×3
65072505
n×4
86763340
n×5
108454175
n÷2
10845417.5
n÷3
7230278.3333333
n÷3
5422708.75
n÷5
4338167
n2
470492322997225
n3
1.02053713469E+22
n4
2.2136302599933E+29
n5
4.8015488720521E+36
2 √n
4657.3420531458
3 √n
278.88517176137
4 √n
68.24472179697
5 √n
29.326163676434
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
-21690834
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 21690835 can be divided by 4 positive divisors.
The sum of these divisors (counting 21690835) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101111100111010011
3
Ternary
1111211000020021
4
Quaternary
1102233213103
5
Quinary
21023101320
6
Senary
2052524311
8
Octal
122574723
10
Decimal
21690835
12
Duodecimal
7320697
16
Hexadecimal
14af9d3
20
Vigesimal
6fb71f
36
Base36
cwwr7
md5
2687ea234044d8d7721ceac65d0a995a
sha1
2827f4de40441c8bce13f1d8625f819bf9d4b863
sha256
3dd5237ec726a78c4f4ae13261adc100d2dfb58c3c0113b1319ab8fd488d34c0
sha512
28523ec45d2d7db16dcc7832446a4c6a8499b409647f43fafb5ccb47f6480ea997146ff8259d485ffd6d7ff35940b7ca78b430556e4b4d9e39fd5d54789fea4a
ripemd-160
faeb72c84fc58e5199428c431c340f4bba9b6e51
Diameter
43381670
Circumference
136287535.77246
Area
1.4780952254985E+15
Volume
4.27481595341E+22
Surface area
5.9123809019939E+15
Circumference
136287535.77246
Perimeter
86763340
Area
470492322997225
Diagonal
30675473.036197
Surface area
2822953937983350
Volume
1.02053713469E+22
Space diagonal
37569628.278593
Perimeter
65072505
Area
2.0372915200058E+14
Altitude
18784814.139297
Surface area
2.0372915200058E+14
Volume
1.2027145473199E+21
Height
10225157.678732