21694725 is an odd 8-digits composite number following 21694724
and preceding 21694726 . In scientific notation, it is written as 2.1694725 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 10679040 positive integers (up to 21694725) that are relatively prime to 21694725.
21694725 has 16 divisors, whose sum is 28663152
The reverse of 21694725 is 52749612
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred ninety-four thousand seven hundred twenty-five
Scientific notation
2.1694725 × 10^7
Engineering notation
2.1694725 × 10^6
Prime Factorization
5 × 45 × 13 × 7417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21694725
Product of the distinct prime numbers
The prime factorization of 21694725 is 5 × 45 × 13 × 7417.
Since it has a total of 4 prime factors.
4 , 10 , 56 , 64 , 380 , 899 , 5444 , 5364 , 51889 , 95333 , 492258 , 880285 , 8038639 , 6825527 , 92493608 , 24835456 , 54614318 , 88902072 , 1883819166 , 1796888909
n×2
43389450
n×3
65084175
n×4
86778900
n×5
108473625
n÷2
10847362.5
n÷3
7231575
n÷3
5423681.25
n÷5
4338945
n2
470661092825625
n3
1.0210862977051E+22
n4
2.2152186429981E+29
n5
4.8058559274717E+36
2 √n
4657.7596545979
3 √n
278.9018423732
4 √n
68.247781316303
5 √n
29.327215462537
1 , 5 , 13 , 45 , 65 , 225 , 585 , 2925 , 7417 , 37085 , 96421 , 333765 , 482105 , 1668825 , 4338945 , 21694725
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
-21694724
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 21694725 can be divided by 16 positive divisors.
The sum of these divisors (counting 21694725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000100100000101
3
Ternary
1111211012120100
4
Quaternary
1102300210011
5
Quinary
21023212400
6
Senary
2052554313
8
Octal
122604405
10
Decimal
21694725
12
Duodecimal
7322999
16
Hexadecimal
14b0905
20
Vigesimal
6fbgg5
36
Base36
cwzr9
md5
ac2b8f152cc1729e21bc098cc05554ca
sha1
2e190ac329eb2858c7a4da316520babe23a3d6dd
sha256
b8263e993795abff8849a48099f4405a48cb1d8c9384b516aee6e70f8d3f481a
sha512
bc4168457555140e1f170499244d439ea383ad17bfc98bac1fb2f90d9b29529d4d42c603d7745b52a4c7929ccc1a1a57eeccfa4aead0fc12e9e39031bd42f1d2
ripemd-160
f721fb907a43db16f07331efe0f0f95afc1c8cc6
Diameter
43389450
Circumference
136311977.3633
Area
1.4786254315515E+15
Volume
4.2771162820689E+22
Surface area
5.9145017262061E+15
Circumference
136311977.3633
Perimeter
86778900
Area
470661092825625
Diagonal
30680974.326955
Surface area
2823966556953750
Volume
1.0210862977051E+22
Space diagonal
37576365.956235
Perimeter
65084175
Area
2.0380223147997E+14
Altitude
18788182.978117
Surface area
2.0380223147997E+14
Volume
1.20336174214E+21
Height
10226991.442318