649978081 (number)

649978081 is an odd 9-digits composite number following 649978080 and preceding 649978082. In scientific notation, it is written as 6.49978081 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 645615664 positive integers (up to 649978081) that are relatively prime to 649978081.

Interesting facts

Basic properties

Name

Name six hundred forty-nine million nine hundred seventy-eight thousand eighty-one

Notation

Scientific notation 6.49978081 × 10^8
Engineering notation 6.49978081 × 10^6

Prime Factorization of 649978081

Prime Factorization 149 × 4362269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 649978081
Product of the distinct prime numbers

The prime factorization of 649978081 is 149 × 4362269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 96, 54, 909, 576, 1180, 1181, 29449, 10579, 649067, 108716, 766019, 7324685, 41148217, 82208903, 356175313, 754885228, 3018158572, 5193283348

Basic calculations (n = 649978081)

Multiplication

n×y
n×2 1299956162
n×3 1949934243
n×4 2599912324
n×5 3249890405

Division

n÷y
n÷2 324989040.5
n÷3 216659360.33333
n÷3 162494520.25
n÷5 129995616.2

Exponentiation

ny
n2 422471505780442561
n3 2.7459721860435E+26
n4 1.7848217319639E+35
n5 1.160095004269E+44

Nth Root

y√n
2√n 25494.667697383
3√n 866.22936825968
4√n 159.67049726666
5√n 57.886826653188

Divisors of 649978081

1, 149, 4362269, 649978081

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 -649978080
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 649978081 can be divided by 4 positive divisors. The sum of these divisors (counting 649978081) is 1, the average is 0.25.

Base conversion 649978081

Base System Value
2 Binary 100110101111011110000011100001
3 Ternary 1200022001022022021
4 Quaternary 212233132003201
5 Quinary 2312343244311
6 Senary 144255141441
8 Octal 4657360341
10 Decimal 649978081
12 Duodecimal 161814881
16 Hexadecimal 26bde0e1
20 Vigesimal a327541
36 Base36 aqzaap

Cryptographic Hash Functions

md5 ac6c7e0db2e8d13e826794446afaba5a
sha1 7817da7517142866fdda48532171a9106461eb53
sha256 e221b7a1a8aee924b1d21de0bc458d7f7e7f2de976061c03aff93caeb3ee8682
sha512 53c42eba7a025d4a941383598a7196a55babf2f1b4c6888238777aae41ee08b9f3097dc67da86dae3184601e137c0844b6e268a162f50d14710792d679b02a49
ripemd-160 7d8f1b7145a82ab31947293274c31ee6466b32ac

649978081 as geometric shapes

Circle

Radius = n
Diameter 1299956162
Circumference 4083932728.528
Area 1.3272333789109E+18

Sphere

Radius = n
Volume 1.1502301395515E+27
Surface area 5.3089335156434E+18
Circumference 4083932728.528

Square

Length = n
Perimeter 2599912324
Area 422471505780442561
Diagonal 919207817.39544

Cube

Length = n
Surface area 2534829034682655366
Volume 2.7459721860435E+26
Space diagonal 1125795060.0981

Equilateral Triangle

Length = n
Perimeter 1949934243
Area 1.8293552819046E+17
Altitude 562897530.04906

Triangular Pyramid

Length = n
Surface area 1.8293552819046E+17
Volume 3.2361592561684E+25
Height 306402605.79848