197901981 (number)

197901981 is an odd 9-digits composite number following 197901980 and preceding 197901982. In scientific notation, it is written as 1.97901981 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 123724800 positive integers (up to 197901981) that are relatively prime to 197901981.

Interesting facts

Basic properties

Name

Name one hundred ninety-seven million nine hundred one thousand nine hundred eighty-one

Notation

Scientific notation 1.97901981 × 10^8
Engineering notation 1.97901981 × 10^6

Prime Factorization of 197901981

Prime Factorization 9 × 3 × 17 × 359 × 1201

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 197901981
Product of the distinct prime numbers

The prime factorization of 197901981 is 9 × 3 × 17 × 359 × 1201. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 35, 49, 505, 701, 4599, 5635, 50912, 54679, 871158, 35286, 4957143, 9752218, 94012483, 38073420, 774454513, 408817925, 7806661591, 8418450664

Basic calculations (n = 197901981)

Multiplication

n×y
n×2 395803962
n×3 593705943
n×4 791607924
n×5 989509905

Division

n÷y
n÷2 98950990.5
n÷3 65967327
n÷3 49475495.25
n÷5 39580396.2

Exponentiation

ny
n2 39165194083724361
n3 7.7508694954185E+24
n4 1.5339124276158E+33
n5 3.0356430810569E+41

Nth Root

y√n
2√n 14067.763894806
3√n 582.75147375354
4√n 118.607604709
5√n 45.634156588885

Divisors of 197901981

1, 3, 9, 17, 27, 51, 153, 359, 459, 1077, 1201, 3231, 3603, 6103, 9693, 10809, 18309, 20417, 32427, 54927, 61251, 164781, 183753, 431159, 551259, 1293477, 3880431, 7329703, 11641293, 21989109, 65967327, 197901981

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -197901980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 197901981 can be divided by 32 positive divisors. The sum of these divisors (counting 197901981) is 1, the average is 0.03125.

Base conversion 197901981

Base System Value
2 Binary 1011110010111011111010011101
3 Ternary 111210101110111000
4 Quaternary 23302323322131
5 Quinary 401130330411
6 Senary 31345420513
8 Octal 1362737235
10 Decimal 197901981
12 Duodecimal 5633a739
16 Hexadecimal bcbbe9d
20 Vigesimal 31ghej1
36 Base36 39tq59

Cryptographic Hash Functions

md5 459fa77d65e7889276cdd0aa2380aed2
sha1 12ac617d9270a9df1f160002d8d9e2a7f423211e
sha256 fbd76464fa8aa61562a5fdc7ca55d12a74d67c2a892308795b0d4eefebe60b5c
sha512 57a2bffc18f25b51a19784e5ba1406d05c7164423750b154bea312c0e33777abe8ffd524b3e6a0936e4c2f238482ce09c6aaa61485b11212e244c7a455a2f36a
ripemd-160 dfebb1a1dd9d7c4984f2cc58a156dd8219af97d2

197901981 as geometric shapes

Circle

Radius = n
Diameter 395803962
Circumference 1243454819.2809
Area 1.2304108600985E+17

Sphere

Radius = n
Volume 3.2466766220987E+25
Surface area 4.9216434403939E+17
Circumference 1243454819.2809

Square

Length = n
Perimeter 791607924
Area 39165194083724361
Diagonal 279875665.5507

Cube

Length = n
Surface area 234991164502346166
Volume 7.7508694954185E+24
Space diagonal 342776286.01053

Equilateral Triangle

Length = n
Perimeter 593705943
Area 1.6959026510327E+16
Altitude 171388143.00527

Triangular Pyramid

Length = n
Surface area 1.6959026510327E+16
Volume 9.134487300504E+23
Height 93291888.516901