1312981 (number)

1312981 is an odd 7-digits composite number following 1312980 and preceding 1312982. In scientific notation, it is written as 1.312981 × 10^6. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 1307500 positive integers (up to 1312981) that are relatively prime to 1312981.

Interesting facts

Basic properties

Name

Name one million three hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation 1.312981 × 10^6
Engineering notation 1.312981 × 10^6

Prime Factorization of 1312981

Prime Factorization 251 × 5231

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1312981
Product of the distinct prime numbers

The prime factorization of 1312981 is 251 × 5231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 95, 74, 524, 875, 6129, 3527, 50909, 61123, 967310, 721650, 8670718, 5084968, 42405933, 19455994, 307028175, 107264752, 3557985289, 5412312089

Basic calculations (n = 1312981)

Multiplication

n×y
n×2 2625962
n×3 3938943
n×4 5251924
n×5 6564905

Division

n÷y
n÷2 656490.5
n÷3 437660.33333333
n÷3 328245.25
n÷5 262596.2

Exponentiation

ny
n2 1723919106361
n3 2263473032188972141
n4 2.9718970852765E+24
n5 3.9020444069234E+30

Nth Root

y√n
2√n 1145.8538301197
3√n 109.50135177609
4√n 33.850462775562
5√n 16.73600081367

Divisors of 1312981

1, 251, 5231, 1312981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1312980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1312981 can be divided by 4 positive divisors. The sum of these divisors (counting 1312981) is 1, the average is 0.25.

Base conversion 1312981

Base System Value
2 Binary 101000000100011010101
3 Ternary 2110201001221
4 Quaternary 11000203111
5 Quinary 314003411
6 Senary 44050341
8 Octal 5004325
10 Decimal 1312981
12 Duodecimal 5339b1
16 Hexadecimal 1408d5
20 Vigesimal 84291
36 Base36 s53p

Cryptographic Hash Functions

md5 c3b540d8200134a0721676a58550c5b4
sha1 e6175e3901284489a442cf7d664382f6d12258fb
sha256 af596057aed74cdf0217b163f4c9bbc7a47a0b124c5ad802dd1982d87022fac4
sha512 72d8f27f2a0ad9d6d16b862cc35908202e0325e37213dfadba9a0259bf3f12f09ae4bc2eceec692b1c1c69a24e74459ac5e622e4ca3475c0b88427a39d0584aa
ripemd-160 4cc4d47c103a1710ad21816145a93665cd8a2ace

1312981 as geometric shapes

Circle

Radius = n
Diameter 2625962
Circumference 8249702.927806
Area 5415851599926.8

Sphere

Radius = n
Volume 9.4812136660313E+18
Surface area 21663406399707
Circumference 8249702.927806

Square

Length = n
Perimeter 5251924
Area 1723919106361
Diagonal 1856835.5373382

Cube

Length = n
Surface area 10343514638166
Volume 2263473032188972141
Space diagonal 2274149.8013726

Equilateral Triangle

Length = n
Perimeter 3938943
Area 746478870089
Altitude 1137074.9006863

Triangular Pyramid

Length = n
Surface area 746478870089
Volume 2.6675285501562E+17
Height 618945.17911273