9871981 (number)

9871981 is an odd 7-digits composite number following 9871980 and preceding 9871982. In scientific notation, it is written as 9.871981 × 10^6. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 7983360 positive integers (up to 9871981) that are relatively prime to 9871981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.871981 × 10^6
Engineering notation 9.871981 × 10^6

Prime Factorization of 9871981

Prime Factorization 7 × 67 × 97 × 7 × 31

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1410283
Product of the distinct prime numbers

The prime factorization of 9871981 is 7 × 67 × 97 × 7 × 31. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 5, 80, 60, 97, 561, 5886, 3437, 60540, 50859, 99501, 81982, 3939215, 2086586, 38502696, 32620284, 592799681, 980211055, 4488006844, 9639679850

Basic calculations (n = 9871981)

Multiplication

n×y
n×2 19743962
n×3 29615943
n×4 39487924
n×5 49359905

Division

n÷y
n÷2 4935990.5
n÷3 3290660.3333333
n÷3 2467995.25
n÷5 1974396.2

Exponentiation

ny
n2 97456008864361
n3 9.620838678448E+20
n4 9.4976736637704E+27
n5 9.3760853952942E+34

Nth Root

y√n
2√n 3141.9708782864
3√n 214.52015575201
4√n 56.053286061447
5√n 25.054218588987

Divisors of 9871981

1, 7, 31, 49, 67, 97, 217, 469, 679, 1519, 2077, 3007, 3283, 4753, 6499, 14539, 21049, 45493, 101773, 147343, 201469, 318451, 1410283, 9871981

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -9871980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 9871981 can be divided by 24 positive divisors. The sum of these divisors (counting 9871981) is 1, the average is 0.041666666666667.

Base conversion 9871981

Base System Value
2 Binary 100101101010001001101101
3 Ternary 200120112210221
4 Quaternary 211222021231
5 Quinary 10011400411
6 Senary 551331341
8 Octal 45521155
10 Decimal 9871981
12 Duodecimal 3380b51
16 Hexadecimal 96a26d
20 Vigesimal 31djj1
36 Base36 5vl9p

Cryptographic Hash Functions

md5 6917f9ff8bcfa163e63034aacc1e6f56
sha1 540d590d0373c63ee0305c2271a673da3d2f7ecb
sha256 7eb9f6238c308b1e2fa8154b97fac5e09bed4e8831e51c1b6c1cb4f6a5e08d3d
sha512 d60a2e9d6c5c80006670e4ebf4412d6068eb7880fe6623b40e6c678b602c11b1f51184657dc2bd6b27484e88baf528e68c41be9aee756fb486a0f3730b511171
ripemd-160 9a8bf5d42c1076f814ede78c1611df7fd7c058a8

9871981 as geometric shapes

Circle

Radius = n
Diameter 19743962
Circumference 62027485.971956
Area 3.0616708149646E+14

Sphere

Radius = n
Volume 4.0299674818113E+21
Surface area 1.2246683259858E+15
Circumference 62027485.971956

Square

Length = n
Perimeter 39487924
Area 97456008864361
Diagonal 13961089.41769

Cube

Length = n
Surface area 584736053186166
Volume 9.620838678448E+20
Space diagonal 17098772.663355

Equilateral Triangle

Length = n
Perimeter 29615943
Area 42199689713989
Altitude 8549386.3316773

Triangular Pyramid

Length = n
Surface area 42199689713989
Volume 1.1338267117054E+20
Height 4653696.4725632