646989481 (number)

646989481 is an odd 9-digits composite number following 646989480 and preceding 646989482. In scientific notation, it is written as 6.46989481 × 10^8. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 623422800 positive integers (up to 646989481) that are relatively prime to 646989481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.46989481 × 10^8
Engineering notation 6.46989481 × 10^6

Prime Factorization of 646989481

Prime Factorization 331 × 43 × 347 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 646989481
Product of the distinct prime numbers

The prime factorization of 646989481 is 331 × 43 × 347 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 6, 68, 273, 489, 9952, 6257, 48903, 47868, 940329, 59093, 811074, 4091507, 42114764, 13958117, 221873275, 5139562, 1100476503, 7380209834

Basic calculations (n = 646989481)

Multiplication

n×y
n×2 1293978962
n×3 1940968443
n×4 2587957924
n×5 3234947405

Division

n÷y
n÷2 323494740.5
n÷3 215663160.33333
n÷3 161747370.25
n÷5 129397896.2

Exponentiation

ny
n2 418595388524649361
n3 2.7082681317056E+26
n4 1.752220992941E+35
n5 1.1336685508202E+44

Nth Root

y√n
2√n 25435.987910832
3√n 864.89968698734
4√n 159.48663865927
5√n 57.833495736786

Divisors of 646989481

1, 43, 131, 331, 347, 5633, 14233, 14921, 43361, 45457, 114857, 1864523, 1954651, 4938851, 15046267, 646989481

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 -646989480
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 646989481 can be divided by 16 positive divisors. The sum of these divisors (counting 646989481) is 1, the average is 0.0625.

Base conversion 646989481

Base System Value
2 Binary 100110100100000100011010101001
3 Ternary 1200002102110201101
4 Quaternary 212210010122221
5 Quinary 2311112130411
6 Senary 144111121401
8 Octal 4644043251
10 Decimal 646989481
12 Duodecimal 160813261
16 Hexadecimal 269046a9
20 Vigesimal a23dde1
36 Base36 ap78a1

Cryptographic Hash Functions

md5 cc1a1af0e95883986fb99d8ceebd2e23
sha1 14fd371159c7d911c812c3ee5f11e71e9e6f2b31
sha256 9d6f4c005d6dd917451ccd27e66792b4d6c9637fa2d2ac8513e877bbd5c9fa25
sha512 8fe2596aed409ef52470a78a5d14e816c23d7b7e642479cc6d473543392adddf4da1a035c1d0c89df3564af429554e9362f4cda163d1cacf3278034dc56d0384
ripemd-160 7e0bfe3e9e846896bb624d76621c13e47d21e21a

646989481 as geometric shapes

Circle

Radius = n
Diameter 1293978962
Circumference 4065154800.9189
Area 1.3150561974156E+18

Sphere

Radius = n
Volume 1.1344367022023E+27
Surface area 5.2602247896624E+18
Circumference 4065154800.9189

Square

Length = n
Perimeter 2587957924
Area 418595388524649361
Diagonal 914981298.74293

Cube

Length = n
Surface area 2511572331147896166
Volume 2.7082681317056E+26
Space diagonal 1120618653.0546

Equilateral Triangle

Length = n
Perimeter 1940968443
Area 1.8125712018468E+17
Altitude 560309326.52731

Triangular Pyramid

Length = n
Surface area 1.8125712018468E+17
Volume 3.1917246020007E+25
Height 304993766.24764