201988981 (number)

201988981 is an odd 9-digits composite number following 201988980 and preceding 201988982. In scientific notation, it is written as 2.01988981 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 191224800 positive integers (up to 201988981) that are relatively prime to 201988981.

Interesting facts

Basic properties

Name

Name two hundred one million nine hundred eighty-eight thousand nine hundred eighty-one

Notation

Scientific notation 2.01988981 × 10^8
Engineering notation 2.01988981 × 10^6

Prime Factorization of 201988981

Prime Factorization 19 × 1951 × 5449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201988981
Product of the distinct prime numbers

The prime factorization of 201988981 is 19 × 1951 × 5449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 2, 47, 909, 85, 7153, 2510, 29150, 93248, 865567, 527326, 3634654, 2183519, 24644203, 42491551, 809459867, 498736153, 3996961913, 6869540781

Basic calculations (n = 201988981)

Multiplication

n×y
n×2 403977962
n×3 605966943
n×4 807955924
n×5 1009944905

Division

n÷y
n÷2 100994490.5
n÷3 67329660.333333
n÷3 50497245.25
n÷5 40397796.2

Exponentiation

ny
n2 40799548445418361
n3 8.2410592157502E+24
n4 1.66460315335E+33
n5 3.3623149471456E+41

Nth Root

y√n
2√n 14212.282751198
3√n 586.73576174115
4√n 119.21527901741
5√n 45.821102618836

Divisors of 201988981

1, 19, 1951, 5449, 37069, 103531, 10630999, 201988981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201988980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201988981 can be divided by 8 positive divisors. The sum of these divisors (counting 201988981) is 1, the average is 0.125.

Base conversion 201988981

Base System Value
2 Binary 1100000010100001101101110101
3 Ternary 112002002002210101
4 Quaternary 30002201231311
5 Quinary 403202121411
6 Senary 32013154101
8 Octal 1402415565
10 Decimal 201988981
12 Duodecimal 5778b931
16 Hexadecimal c0a1b75
20 Vigesimal 3328c91
36 Base36 3c9bp1

Cryptographic Hash Functions

md5 6d20f654458cc8b62894b8b7834a0964
sha1 e95ec27246bed1ac3c1ed6988c5ef7fdd74c653a
sha256 fad9309434f41687bd14f7ff7c87eed64525fbf58df23a6eb29c15d3ecb4a747
sha512 db7a5f253a53974a4ff909fbe63149aacb83d4435cfba969cfa04597dacd51cc909f03feca18bfd1b05ca55c1341efbd04030279cf1224479866b3092d9ff73f
ripemd-160 82bbfe0bbe0048416bf120a7f3411b749385f081

201988981 as geometric shapes

Circle

Radius = n
Diameter 403977962
Circumference 1269134197.6314
Area 1.2817556166591E+17

Sphere

Radius = n
Volume 3.4520068119999E+25
Surface area 5.1270224666363E+17
Circumference 1269134197.6314

Square

Length = n
Perimeter 807955924
Area 40799548445418361
Diagonal 285655556.38012

Cube

Length = n
Surface area 244797290672510166
Volume 8.2410592157502E+24
Space diagonal 349855177.66106

Equilateral Triangle

Length = n
Perimeter 605966943
Area 1.7666722708333E+16
Altitude 174927588.83053

Triangular Pyramid

Length = n
Surface area 1.7666722708333E+16
Volume 9.7121814260281E+23
Height 95218518.793374