661840904 (number)

661840904 is an even 9-digits composite number following 661840903 and preceding 661840905. In scientific notation, it is written as 6.61840904 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 321976512 positive integers (up to 661840904) that are relatively prime to 661840904.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million eight hundred forty thousand nine hundred four

Notation

Scientific notation 6.61840904 × 10^8
Engineering notation 6.61840904 × 10^6

Prime Factorization of 661840904

Prime Factorization 2 × 2 × 2 × 37 × 2235949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 165460226
Product of the distinct prime numbers

The prime factorization of 661840904 is 2 × 2 × 2 × 37 × 2235949. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 8, 80, 80, 889, 507, 9050, 4651, 56280, 18054, 452683, 370155, 949197, 1169124, 4717578, 48678385, 742782927, 411136712, 6880978906, 1091092314

Basic calculations (n = 661840904)

Multiplication

n×y
n×2 1323681808
n×3 1985522712
n×4 2647363616
n×5 3309204520

Division

n÷y
n÷2 330920452
n÷3 220613634.66667
n÷3 165460226
n÷5 132368180.8

Exponentiation

ny
n2 438033382207537216
n3 2.8990840966241E+26
n4 1.9187324392817E+35
n5 1.2698956121484E+44

Nth Root

y√n
2√n 25726.268753941
3√n 871.46751220516
4√n 160.39410448623
5√n 58.096600545806

Divisors of 661840904

1, 2, 4, 8, 37, 74, 148, 296, 2235949, 4471898, 8943796, 17887592, 82730113, 165460226, 330920452, 661840904

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 -661840903
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 661840904 can be divided by 16 positive divisors. The sum of these divisors (counting 661840904) is 1, the average is 0.0625.

Base conversion 661840904

Base System Value
2 Binary 100111011100101110010000001000
3 Ternary 1201010101000001002
4 Quaternary 213130232100020
5 Quinary 2323412402104
6 Senary 145401314132
8 Octal 4734562010
10 Decimal 661840904
12 Duodecimal 165795948
16 Hexadecimal 2772e408
20 Vigesimal a6ga254
36 Base36 ay1jpk

Cryptographic Hash Functions

md5 76cbb65ede550cdb8af205ae3e0f49f1
sha1 d5b3941e2c362e140df918c89523fe4917a65548
sha256 098fdfd4e30274feae8a40b9788cdc60364d3d3a1c386d25c8598a761d3be748
sha512 a2b423d936bf2015796a742916a856916bb1bbaa7eaebef36af886b53db6fbab69bd284e9ff8b3d44019a4570327021c390beb1bff98f267b87805d0d7c731df
ripemd-160 41c67716976200d28e934dedf32a0283ca9c4b96

661840904 as geometric shapes

Circle

Radius = n
Diameter 1323681808
Circumference 4158469043.7033
Area 1.3761224555703E+18

Sphere

Radius = n
Volume 1.2143655066791E+27
Surface area 5.5044898222812E+18
Circumference 4158469043.7033

Square

Length = n
Perimeter 2647363616
Area 438033382207537216
Diagonal 935984382.57007

Cube

Length = n
Surface area 2628200293245223296
Volume 2.8990840966241E+26
Space diagonal 1146342072.2553

Equilateral Triangle

Length = n
Perimeter 1985522712
Area 1.8967401834867E+17
Altitude 573171036.12766

Triangular Pyramid

Length = n
Surface area 1.8967401834867E+17
Volume 3.416603373255E+25
Height 311994794.19002