16991245 is an odd 8-digits composite number following 16991244
and preceding 16991246 . In scientific notation, it is written as 1.6991245 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 12042240 positive integers (up to 16991245) that are relatively prime to 16991245.
16991245 has 16 divisors, whose sum is 18574704
The reverse of 16991245 is 54219961
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixteen million nine hundred ninety-one thousand two hundred forty-five
Scientific notation
1.6991245 × 10^7
Engineering notation
1.6991245 × 10^6
Prime Factorization
145 × 17 × 61 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16991245
Product of the distinct prime numbers
The prime factorization of 16991245 is 145 × 17 × 61 × 113.
Since it has a total of 4 prime factors.
6 , 6 , 63 , 86 , 358 , 233 , 5387 , 7326 , 53251 , 36501 , 314577 , 634869 , 4018997 , 7994452 , 92938047 , 89169425 , 595737070 , 541381225 , 4657268878 , 3626996123
n×2
33982490
n×3
50973735
n×4
67964980
n×5
84956225
n÷2
8495622.5
n÷3
5663748.3333333
n÷3
4247811.25
n÷5
3398249
n2
288702406650025
n3
4.9054133234802E+21
n4
8.3349079605516E+28
n5
1.4162046321018E+36
2 √n
4122.04378919
3 √n
257.08401115226
4 √n
64.203144698605
5 √n
27.928334693106
1 , 17 , 61 , 113 , 145 , 1037 , 1921 , 2465 , 6893 , 8845 , 16385 , 117181 , 150365 , 278545 , 999485 , 16991245
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
-16991244
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 16991245 can be divided by 16 positive divisors.
The sum of these divisors (counting 16991245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000000110100010000001101
3
Ternary
1011222020121101
4
Quaternary
1000310100031
5
Quinary
13322204440
6
Senary
1404103101
8
Octal
100642015
10
Decimal
16991245
12
Duodecimal
5834a91
16
Hexadecimal
103440d
20
Vigesimal
563i25
36
Base36
a46j1
md5
85025a0516a6684a318d558d9ccedc79
sha1
c407daa517a50766259f2fc65ef149eba5848289
sha256
36f211bbd7bcdffe27738bb03aa46d19420f92b098530c150c7bb764cda2a50b
sha512
e37e933124cd7beeb180908e9d28fdeeb33f4f687d384f8a47d4dd6e33f214c2add52e2041899b54cd8b7073f74fc772d332fa28b71889ad663e3392b85ddd8e
ripemd-160
0b4015ab3830d48a3ba0d565a24971cf1dcdc669
Diameter
33982490
Circumference
106759140.93469
Area
9.0698535980541E+14
Volume
2.0547747279823E+22
Surface area
3.6279414392216E+15
Circumference
106759140.93469
Perimeter
67964980
Area
288702406650025
Diagonal
24029249.120604
Surface area
1732214439900150
Volume
4.9054133234802E+21
Space diagonal
29429699.623851
Perimeter
50973735
Area
1.2501180914631E+14
Altitude
14714849.811925
Surface area
1.2501180914631E+14
Volume
5.7810850425928E+20
Height
8009749.706868