2945649987 (number)

2945649987 is an odd 10-digits composite number following 2945649986 and preceding 2945649988. In scientific notation, it is written as 2.945649987 × 10^9. The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors. There are 1656539136 positive integers (up to 2945649987) that are relatively prime to 2945649987.

Interesting facts

Basic properties

Name

Name two billion nine hundred forty-five million six hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 2.945649987 × 10^9
Engineering notation 2.945649987 × 10^9

Prime Factorization of 2945649987

Prime Factorization 1017 × 7 × 149 × 2777

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2945649987
Product of the distinct prime numbers

The prime factorization of 2945649987 is 1017 × 7 × 149 × 2777. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 6, 14, 538, 692, 2399, 3563, 24661, 62835, 36059, 932600, 1552465, 9133842, 77959013, 30262568, 577814631, 643089250, 7875417657, 1345370915

Basic calculations (n = 2945649987)

Multiplication

n×y
n×2 5891299974
n×3 8836949961
n×4 11782599948
n×5 14728249935

Division

n÷y
n÷2 1472824993.5
n÷3 981883329
n÷3 736412496.75
n÷5 589129997.4

Exponentiation

ny
n2 8676853845913100169
n3 2.5558974418415E+28
n4 7.5287792663337E+37
n5 2.2177148548002E+47

Nth Root

y√n
2√n 54273.842567115
3√n 1433.486851227
4√n 232.96747104932
5√n 78.313426835092

Divisors of 2945649987

1, 7, 149, 1017, 1043, 2777, 7119, 19439, 151533, 413773, 1060731, 2824209, 2896411, 19769463, 420807141, 2945649987

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 -2945649986
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 2945649987 can be divided by 16 positive divisors. The sum of these divisors (counting 2945649987) is 1, the average is 0.0625.

Base conversion 2945649987

Base System Value
2 Binary 10101111100100110000110101000011
3 Ternary 21121021202112010200
4 Quaternary 2233210300311003
5 Quinary 22013041244422
6 Senary 1204143300243
8 Octal 25744606503
10 Decimal 2945649987
12 Duodecimal 6a25aa683
16 Hexadecimal af930d43
20 Vigesimal 260a64j7
36 Base36 1cpri2r

Cryptographic Hash Functions

md5 cd7db3242ae5e059da9c346d13f574b2
sha1 b7f1304d719ca8b0e04ad14d7488b6d9d83806d4
sha256 f1ed2e6c8badae01da186c048ba4894bfc14c334ee0faa2476865830881edd90
sha512 7bb1a1e81b3a1b3251a1201c61e179f53fa0da7e34c54d2dab57c91cbe0c154d14a5ff5506c852bb6ee9d8a422e5cc1c81c11d4e796e6946a140d236d99d232c
ripemd-160 5becfb31ccac23eb86a756a63d6a941d3730bd53

2945649987 as geometric shapes

Circle

Radius = n
Diameter 5891299974
Circumference 18508064718.412
Area 2.7259140298593E+19

Sphere

Radius = n
Volume 1.0706118168824E+29
Surface area 1.0903656119437E+20
Circumference 18508064718.412

Square

Length = n
Perimeter 11782599948
Area 8676853845913100169
Diagonal 4165778161.6195

Cube

Length = n
Surface area 5.2061123075479E+19
Volume 2.5558974418415E+28
Space diagonal 5102015438.7986

Equilateral Triangle

Length = n
Perimeter 8836949961
Area 3.7571879277427E+18
Altitude 2551007719.3993

Triangular Pyramid

Length = n
Surface area 3.7571879277427E+18
Volume 3.0121540219058E+27
Height 1388592720.5398