13640981 (number)

13640981 is an odd 8-digits composite number following 13640980 and preceding 13640982. In scientific notation, it is written as 1.3640981 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 13293072 positive integers (up to 13640981) that are relatively prime to 13640981.

Interesting facts

Basic properties

Name

Name thirteen million six hundred forty thousand nine hundred eighty-one

Notation

Scientific notation 1.3640981 × 10^7
Engineering notation 1.3640981 × 10^6

Prime Factorization of 13640981

Prime Factorization 53 × 163 × 1579

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13640981
Product of the distinct prime numbers

The prime factorization of 13640981 is 53 × 163 × 1579. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13640981)

Multiplication

n×y
n×2 27281962
n×3 40922943
n×4 54563924
n×5 68204905

Division

n÷y
n÷2 6820490.5
n÷3 4546993.6666667
n÷3 3410245.25
n÷5 2728196.2

Exponentiation

ny
n2 186076362642361
n3 2.5382641273536E+21
n4 3.4624412734211E+28
n5 4.7231095624354E+35

Nth Root

y√n
2√n 3693.3698704571
3√n 238.93615353082
4√n 60.773101537251
5√n 26.728163593727

Divisors of 13640981

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 -13640980
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 13640981 can be divided by 8 positive divisors. The sum of these divisors (counting 13640981) is 1, the average is 0.125.

Base conversion 13640981

Base System Value
2 Binary 110100000010010100010101
3 Ternary 221200000220112
4 Quaternary 310002110111
5 Quinary 11443002411
6 Senary 1204212405
8 Octal 64022425
10 Decimal 13640981
12 Duodecimal 469a105
16 Hexadecimal d02515
20 Vigesimal 455291
36 Base36 84dg5

Cryptographic Hash Functions

md5 6f34ef8d952edd38cf8213e8cd6da77c
sha1 f7f4982b405d32480922960e3e74fb141662a5de
sha256 a3b52dc36638ae2043221488d5adaa48daeee6a239fce7a4189d161de4dea214
sha512 31f9dd235bf179990f4e2daf18d9a7010c21ecac7e9b1ac9979c8dc692609b5d4657a08d553cb5830f787664f62c011b957317a63999af798f143d22a2f1b49a
ripemd-160 f7226caec65211cca7297fd03bdf5ca7a2681c8d

13640981 as geometric shapes

Circle

Radius = n
Diameter 27281962
Circumference 85708811.394716
Area 5.8457613388395E+14

Sphere

Radius = n
Volume 1.0632255913819E+22
Surface area 2.3383045355358E+15
Circumference 85708811.394716

Square

Length = n
Perimeter 54563924
Area 186076362642361
Diagonal 19291260.334274

Cube

Length = n
Surface area 1116458175854166
Volume 2.5382641273536E+21
Space diagonal 23626872.157082

Equilateral Triangle

Length = n
Perimeter 40922943
Area 80573428546045
Altitude 11813436.078541

Triangular Pyramid

Length = n
Surface area 80573428546045
Volume 2.9913729614904E+20
Height 6430420.1114246