199981661 (number)

199981661 is an odd 9-digits composite number following 199981660 and preceding 199981662. In scientific notation, it is written as 1.99981661 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors. There are 181801400 positive integers (up to 199981661) that are relatively prime to 199981661.

Interesting facts

Basic properties

Name

Name one hundred ninety-nine million nine hundred eighty-one thousand six hundred sixty-one

Notation

Scientific notation 1.99981661 × 10^8
Engineering notation 1.99981661 × 10^6

Prime Factorization of 199981661

Prime Factorization 11 × 11 × 1652741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18180151
Product of the distinct prime numbers

The prime factorization of 199981661 is 11 × 11 × 1652741. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 199981661)

Multiplication

n×y
n×2 399963322
n×3 599944983
n×4 799926644
n×5 999908305

Division

n÷y
n÷2 99990830.5
n÷3 66660553.666667
n÷3 49995415.25
n÷5 39996332.2

Exponentiation

ny
n2 39992664736318921
n3 7.9977995217852E+24
n4 1.5994132327116E+33
n5 3.1985331490305E+41

Nth Root

y√n
2√n 14141.487227304
3√n 584.78567257578
4√n 118.91798529787
5√n 45.729666510236

Divisors of 199981661

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -199981660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 199981661 can be divided by 6 positive divisors. The sum of these divisors (counting 199981661) is 1, the average is 0.16666666666667.

Base conversion 199981661

Base System Value
2 Binary 1011111010110111101001011101
3 Ternary 111221022010021012
4 Quaternary 23322313221131
5 Quinary 402143403121
6 Senary 31502145005
8 Octal 1372675135
10 Decimal 199981661
12 Duodecimal 56b82165
16 Hexadecimal beb7a5d
20 Vigesimal 329he31
36 Base36 3b2au5

Cryptographic Hash Functions

md5 139cd9a523efaa86147c4c40f62722af
sha1 3095c0aab5be7507ff9543cdca0ca1e9ed0d3634
sha256 93b101ab7fa32e6f2b8dcfd2a0c2fbac3c601a036008e0f856ec2f855c0bf425
sha512 672fa50a876915aefa98532ca45c0c02f9f9f4012d8940e5a2c63befed439292313456bc56f8ac5a1ea01eb3793bfa88b4e37e4ed9994717177b8227d1761a67
ripemd-160 31c2d037e764653d80dd0d70a06c76247f346acd

199981661 as geometric shapes

Circle

Radius = n
Diameter 399963322
Circumference 1256521834.1006
Area 1.256406617331E+17

Sphere

Radius = n
Volume 3.3501104296699E+25
Surface area 5.025626469324E+17
Circumference 1256521834.1006

Square

Length = n
Perimeter 799926644
Area 39992664736318921
Diagonal 282816777.2121

Cube

Length = n
Surface area 239955988417913526
Volume 7.9977995217852E+24
Space diagonal 346378397.43402

Equilateral Triangle

Length = n
Perimeter 599944983
Area 1.7317331813343E+16
Altitude 173189198.71701

Triangular Pyramid

Length = n
Surface area 1.7317331813343E+16
Volume 9.4254971273747E+23
Height 94272259.0707