31006945 (number)

31006945 is an odd 8-digits composite number following 31006944 and preceding 31006946. In scientific notation, it is written as 3.1006945 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 23833600 positive integers (up to 31006945) that are relatively prime to 31006945.

Interesting facts

Basic properties

Name

Name thirty-one million six thousand nine hundred forty-five

Notation

Scientific notation 3.1006945 × 10^7
Engineering notation 3.1006945 × 10^6

Prime Factorization of 31006945

Prime Factorization 281 × 5 × 29 × 761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31006945
Product of the distinct prime numbers

The prime factorization of 31006945 is 281 × 5 × 29 × 761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 52, 100, 728, 764, 6645, 5197, 95530, 31316, 620440, 743341, 5915436, 2257182, 45126604, 80731607, 243826146, 142626143, 4323618869, 9517049261

Basic calculations (n = 31006945)

Multiplication

n×y
n×2 62013890
n×3 93020835
n×4 124027780
n×5 155034725

Division

n÷y
n÷2 15503472.5
n÷3 10335648.333333
n÷3 7751736.25
n÷5 6201389

Exponentiation

ny
n2 961430638233025
n3 2.9811026921006E+22
n4 9.2434887213316E+29
n5 2.8661234639045E+37

Nth Root

y√n
2√n 5568.3880073141
3√n 314.16152250753
4√n 74.621632301325
5√n 31.498639484268

Divisors of 31006945

1, 5, 29, 145, 281, 761, 1405, 3805, 8149, 22069, 40745, 110345, 213841, 1069205, 6201389, 31006945

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 -31006944
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 31006945 can be divided by 16 positive divisors. The sum of these divisors (counting 31006945) is 1, the average is 0.0625.

Base conversion 31006945

Base System Value
2 Binary 1110110010010000011100001
3 Ternary 2011100022112101
4 Quaternary 1312102003201
5 Quinary 30414210240
6 Senary 3024330401
8 Octal 166220341
10 Decimal 31006945
12 Duodecimal a473a01
16 Hexadecimal 1d920e1
20 Vigesimal 9dfh75
36 Base36 igl41

Cryptographic Hash Functions

md5 85145425db640da36865c329d338f9ef
sha1 6b68f52cb743e14be98a72686687ae4c46452020
sha256 3fe8827377393afbb890bb0673862b6f7869e5dcc5e5d9cd44143bbdbd75f7e4
sha512 b5947c52bd373a98292a931b3ee254723c76e70e6832ec9fcb5bdd079e05db38c339e602a023634165bd5ffc84bdc9caec8ade3686fc7e3cdf6af7ed8dc0eb66
ripemd-160 60ed122a975e8210a5807d12de31631b81ff684a

31006945 as geometric shapes

Circle

Radius = n
Diameter 62013890
Circumference 194822381.24453
Area 3.020423430009E+15

Sphere

Radius = n
Volume 1.2487213756133E+23
Surface area 1.2081693720036E+16
Circumference 194822381.24453

Square

Length = n
Perimeter 124027780
Area 961430638233025
Diagonal 43850442.146757

Cube

Length = n
Surface area 5768583829398150
Volume 2.9811026921006E+22
Space diagonal 53705604.127494

Equilateral Triangle

Length = n
Perimeter 93020835
Area 4.1631167834324E+14
Altitude 26852802.063747

Triangular Pyramid

Length = n
Surface area 4.1631167834324E+14
Volume 3.5132632149964E+21
Height 14616814.048919