15690021 is an odd 8-digits composite number following 15690020
and preceding 15690022 . In scientific notation, it is written as 1.5690021 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 10460012 positive integers (up to 15690021) that are relatively prime to 15690021.
15690021 has 4 divisors, whose sum is 20920032
The reverse of 15690021 is 12009651
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
fifteen million six hundred ninety thousand twenty-one
Scientific notation
1.5690021 × 10^7
Engineering notation
1.5690021 × 10^6
Prime Factorization
3 × 5230007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15690021
Product of the distinct prime numbers
The prime factorization of 15690021 is 3 × 5230007.
Since it has a total of 2 prime factors.
2 , 1 , 69 , 83 , 492 , 231 , 4062 , 7147 , 58959 , 55535 , 873495 , 201382 , 8569223 , 4628675 , 39729534 , 67566708 , 292099833 , 46898159 , 5525179172 , 6497084151
n×2
31380042
n×3
47070063
n×4
62760084
n×5
78450105
n÷2
7845010.5
n÷3
5230007
n÷3
3922505.25
n÷5
3138004.2
n2
246176758980441
n3
3.8625185181151E+21
n4
6.0602996662114E+28
n5
9.508622902915E+35
2 √n
3961.0631148721
3 √n
250.34629875387
4 √n
62.936977325512
5 √n
27.48683307193
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
-15690020
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 15690021 can be divided by 4 positive divisors.
The sum of these divisors (counting 15690021) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011110110100100100101
3
Ternary
1002112010122220
4
Quaternary
323312210211
5
Quinary
13004040041
6
Senary
1320142553
8
Octal
73664445
10
Decimal
15690021
12
Duodecimal
5307a59
16
Hexadecimal
ef6925
20
Vigesimal
4i1511
36
Base36
9cahx
md5
4a39ee0b847579eb46199e4517870489
sha1
c3704e46c62e4a51598d96434145e82c50b254dd
sha256
439af3b1dc8140b82fd8983324035b46976787bbfbd714c48412efee7d9163ff
sha512
f674000dda1496565f185ecafe3322da873149e49299816d037351d55c01691e57fe4316f74a0ee05144e744def9158385a73c96b2be319f1624681164fe2a75
ripemd-160
5b8f3915488d62099e836a50985c8b382dea91f4
Diameter
31380042
Circumference
98583309.416539
Area
7.733870974975E+14
Volume
1.6179279734486E+22
Surface area
3.09354838999E+15
Circumference
98583309.416539
Perimeter
62760084
Area
246176758980441
Diagonal
22189040.492119
Surface area
1477060553882646
Volume
3.8625185181151E+21
Space diagonal
27175913.543823
Perimeter
47070063
Area
1.0659766354919E+14
Altitude
13587956.771911
Surface area
1.0659766354919E+14
Volume
4.5520217276963E+20
Height
7396346.8307062