16991245 (number)

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.

Interesting facts

Basic properties

Name

Name sixteen million nine hundred ninety-one thousand two hundred forty-five

Notation

Scientific notation 1.6991245 × 10^7
Engineering notation 1.6991245 × 10^6

Prime Factorization of 16991245

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.

Most popular turbo-numbers

Basic calculations (n = 16991245)

Multiplication

n×y
n×2 33982490
n×3 50973735
n×4 67964980
n×5 84956225

Division

n÷y
n÷2 8495622.5
n÷3 5663748.3333333
n÷3 4247811.25
n÷5 3398249

Exponentiation

ny
n2 288702406650025
n3 4.9054133234802E+21
n4 8.3349079605516E+28
n5 1.4162046321018E+36

Nth Root

y√n
2√n 4122.04378919
3√n 257.08401115226
4√n 64.203144698605
5√n 27.928334693106

Divisors of 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 conversion 16991245

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

Cryptographic Hash Functions

md5 85025a0516a6684a318d558d9ccedc79
sha1 c407daa517a50766259f2fc65ef149eba5848289
sha256 36f211bbd7bcdffe27738bb03aa46d19420f92b098530c150c7bb764cda2a50b
sha512 e37e933124cd7beeb180908e9d28fdeeb33f4f687d384f8a47d4dd6e33f214c2add52e2041899b54cd8b7073f74fc772d332fa28b71889ad663e3392b85ddd8e
ripemd-160 0b4015ab3830d48a3ba0d565a24971cf1dcdc669

16991245 as geometric shapes

Circle

Radius = n
Diameter 33982490
Circumference 106759140.93469
Area 9.0698535980541E+14

Sphere

Radius = n
Volume 2.0547747279823E+22
Surface area 3.6279414392216E+15
Circumference 106759140.93469

Square

Length = n
Perimeter 67964980
Area 288702406650025
Diagonal 24029249.120604

Cube

Length = n
Surface area 1732214439900150
Volume 4.9054133234802E+21
Space diagonal 29429699.623851

Equilateral Triangle

Length = n
Perimeter 50973735
Area 1.2501180914631E+14
Altitude 14714849.811925

Triangular Pyramid

Length = n
Surface area 1.2501180914631E+14
Volume 5.7810850425928E+20
Height 8009749.706868