15690891 is an odd 8-digits composite number following 15690890
and preceding 15690892 . In scientific notation, it is written as 1.5690891 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 10460592 positive integers (up to 15690891) that are relatively prime to 15690891.
15690891 has 4 divisors, whose sum is 20921192
The reverse of 15690891 is 19809651
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifteen million six hundred ninety thousand eight hundred ninety-one
Scientific notation
1.5690891 × 10^7
Engineering notation
1.5690891 × 10^6
Prime Factorization
3 × 5230297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15690891
Product of the distinct prime numbers
The prime factorization of 15690891 is 3 × 5230297.
Since it has a total of 2 prime factors.
3 , 7 , 89 , 63 , 583 , 664 , 2689 , 8421 , 32513 , 538 , 662175 , 334309 , 2242591 , 7874019 , 65181167 , 95936316 , 912179655 , 447560511 , 3263018063 , 5507729872
n×2
31381782
n×3
47072673
n×4
62763564
n×5
78454455
n÷2
7845445.5
n÷3
5230297
n÷3
3922722.75
n÷5
3138178.2
n2
246204060373881
n3
3.863161075084E+21
n4
6.0616439344586E+28
n5
9.51125942564E+35
2 √n
3961.1729323522
3 √n
250.3509258404
4 √n
62.937849759523
5 √n
27.487137890061
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
-15690890
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 15690891 can be divided by 4 positive divisors.
The sum of these divisors (counting 15690891) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011110110110010001011
3
Ternary
1002112011212010
4
Quaternary
323312302023
5
Quinary
13004102031
6
Senary
1320151003
8
Octal
73666213
10
Decimal
15690891
12
Duodecimal
5308463
16
Hexadecimal
ef6c8b
20
Vigesimal
4i174b
36
Base36
9cb63
md5
c2dd8bf447d7ac89f5d4393436a1f306
sha1
7268fa043ece03ab353951e4d7d731851c5ae523
sha256
c9278259a0b91eb607f5cab938860935fb1b476df37f868fc31a720d20016c27
sha512
3dc11b4195a9b21b09c75db622d4dcb289817c5907db624fc9ddb2c8809e949f3edbec481f3706ddbc9a05e3bc05c5dab6ca6f9273075a4ac1587e37416f2cc2
ripemd-160
36eaa938ae480e65afcaa69bdbb44f0669532ef9
Diameter
31381782
Circumference
98588775.787756
Area
7.7347286735456E+14
Volume
1.6181971270824E+22
Surface area
3.0938914694182E+15
Circumference
98588775.787756
Perimeter
62763564
Area
246204060373881
Diagonal
22190270.857918
Surface area
1477224362243286
Volume
3.863161075084E+21
Space diagonal
27177420.428025
Perimeter
47072673
Area
1.0660948539933E+14
Altitude
13588710.214013
Surface area
1.0660948539933E+14
Volume
4.5527789883463E+20
Height
7396756.9526393