12900981 (number)

12900981 is an odd 8-digits composite number following 12900980 and preceding 12900982. In scientific notation, it is written as 1.2900981 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 8105328 positive integers (up to 12900981) that are relatively prime to 12900981.

Interesting facts

Basic properties

Name

Name twelve million nine hundred thousand nine hundred eighty-one

Notation

Scientific notation 1.2900981 × 10^7
Engineering notation 1.2900981 × 10^6

Prime Factorization of 12900981

Prime Factorization 3 × 19 × 947 × 239

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12900981
Product of the distinct prime numbers

The prime factorization of 12900981 is 3 × 19 × 947 × 239. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12900981)

Multiplication

n×y
n×2 25801962
n×3 38702943
n×4 51603924
n×5 64504905

Division

n÷y
n÷2 6450490.5
n÷3 4300327
n÷3 3225245.25
n÷5 2580196.2

Exponentiation

ny
n2 166435310762361
n3 2.1471787818743E+21
n4 2.7700712668564E+28
n5 3.573663678236E+35

Nth Root

y√n
2√n 3591.7935631102
3√n 234.53495477468
4√n 59.931574008282
5√n 26.43166656908

Divisors of 12900981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12900980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12900981 can be divided by 16 positive divisors. The sum of these divisors (counting 12900981) is 1, the average is 0.0625.

Base conversion 12900981

Base System Value
2 Binary 110001001101101001110101
3 Ternary 220021102211010
4 Quaternary 301031221311
5 Quinary 11300312411
6 Senary 1140302433
8 Octal 61155165
10 Decimal 12900981
12 Duodecimal 43a1a19
16 Hexadecimal c4da75
20 Vigesimal 40cc91
36 Base36 7oigl

Cryptographic Hash Functions

md5 3cf05447f5c7206421517b948fda7a5d
sha1 19984ee16f8af36b07686fd2a27c6be438daab9a
sha256 4668b1069f44a12108907ac30e5f9bd4892f4d9ab8adc8efce171824eb439957
sha512 fa3192bd7dcdec5c0d5e9b5fedfd3425bb78623e6ecea17a77b434630b1980d687cf96becd143116e0e44518a91cfbab0c86ec5d1ddd3af84456daf683fbce60
ripemd-160 a2db6894da51566bab313bd901b4c493a4c265f0

12900981 as geometric shapes

Circle

Radius = n
Diameter 25801962
Circumference 81059254.267403
Area 5.2287194958897E+14

Sphere

Radius = n
Volume 8.9940814494403E+21
Surface area 2.0914877983559E+15
Circumference 81059254.267403

Square

Length = n
Perimeter 51603924
Area 166435310762361
Diagonal 18244742.298118

Cube

Length = n
Surface area 998611864574166
Volume 2.1471787818743E+21
Space diagonal 22345154.559481

Equilateral Triangle

Length = n
Perimeter 38702943
Area 72068603603481
Altitude 11172577.27974

Triangular Pyramid

Length = n
Surface area 72068603603481
Volume 2.5304744618053E+20
Height 6081580.7660392