8947981 (number)

8947981 is an odd 7-digits composite number following 8947980 and preceding 8947982. In scientific notation, it is written as 8.947981 × 10^6. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 7576800 positive integers (up to 8947981) that are relatively prime to 8947981.

Interesting facts

Basic properties

Name

Name eight million nine hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 8.947981 × 10^6
Engineering notation 8.947981 × 10^6

Prime Factorization of 8947981

Prime Factorization 7 × 83 × 15401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 8947981
Product of the distinct prime numbers

The prime factorization of 8947981 is 7 × 83 × 15401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8947981)

Multiplication

n×y
n×2 17895962
n×3 26843943
n×4 35791924
n×5 44739905

Division

n÷y
n÷2 4473990.5
n÷3 2982660.3333333
n÷3 2236995.25
n÷5 1789596.2

Exponentiation

ny
n2 80066363976361
n3 7.1643230359956E+20
n4 6.4106226403951E+27
n5 5.7362129584425E+34

Nth Root

y√n
2√n 2991.3176026627
3√n 207.60685259709
4√n 54.692939239565
5√n 24.56659751442

Divisors of 8947981

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 -8947980
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 8947981 can be divided by 8 positive divisors. The sum of these divisors (counting 8947981) is 1, the average is 0.125.

Base conversion 8947981

Base System Value
2 Binary 100010001000100100001101
3 Ternary 121211121022201
4 Quaternary 202020210031
5 Quinary 4242313411
6 Senary 515441501
8 Octal 42104415
10 Decimal 8947981
12 Duodecimal 2bb6291
16 Hexadecimal 88890d
20 Vigesimal 2fi9j1
36 Base36 5bsb1

Cryptographic Hash Functions

md5 3eb18777c031b959bd4023d5d23fdc48
sha1 95133ca817ad2053f594742f87d71c0db459330e
sha256 51a4582d2fa765583030508afd7c9268cf327515a326a7d219901f07879ab438
sha512 d1d88093f4d57f7f7d9021c5f1e98ed7f28a17d0d92311b314e95ddad6020af28aee7643d58ef34fc06763fc88328fcbaf2acd4178ec3743f864968bdf10acfa
ripemd-160 80a44237e06ea301439dc38148d17f6e4cf4bd83

8947981 as geometric shapes

Circle

Radius = n
Diameter 17895962
Circumference 56221822.748122
Area 2.5153590086778E+14

Sphere

Radius = n
Volume 3.0009846157104E+21
Surface area 1.0061436034711E+15
Circumference 56221822.748122

Square

Length = n
Perimeter 35791924
Area 80066363976361
Diagonal 12654356.086057

Cube

Length = n
Surface area 480398183858166
Volume 7.1643230359956E+20
Space diagonal 15498357.717161

Equilateral Triangle

Length = n
Perimeter 26843943
Area 34669752596090
Altitude 7749178.8585805

Triangular Pyramid

Length = n
Surface area 34669752596090
Volume 8.4432356689392E+19
Height 4218118.6953523