661661540 (number)

661661540 is an even 9-digits composite number following 661661539 and preceding 661661541. In scientific notation, it is written as 6.61661540 × 10^8. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 259670528 positive integers (up to 661661540) that are relatively prime to 661661540.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million six hundred sixty-one thousand five hundred forty

Notation

Scientific notation 6.61661540 × 10^8
Engineering notation 6.61661540 × 10^6

Prime Factorization of 661661540

Prime Factorization 2 × 2 × 5 × 53 × 624209

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 330830770
Product of the distinct prime numbers

The prime factorization of 661661540 is 2 × 2 × 5 × 53 × 624209. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 11, 34, 371, 217, 5544, 8039, 46659, 4151, 678885, 114657, 6817305, 5729098, 86930791, 96603229, 782421155, 985335981, 217792956, 8931268681

Basic calculations (n = 661661540)

Multiplication

n×y
n×2 1323323080
n×3 1984984620
n×4 2646646160
n×5 3308307700

Division

n÷y
n÷2 330830770
n÷3 220553846.66667
n÷3 165415385
n÷5 132332308

Exponentiation

ny
n2 437795993515171600
n3 2.8967277127508E+26
n4 1.9166533193794E+35
n5 1.2681757869467E+44

Nth Root

y√n
2√n 25722.782508897
3√n 871.38878028211
4√n 160.38323637119
5√n 58.093451278848

Divisors of 661661540

1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 624209, 1248418, 2496836, 3121045, 6242090, 12484180, 33083077, 66166154, 132332308, 165415385, 330830770, 661661540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661661539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661661540 can be divided by 24 positive divisors. The sum of these divisors (counting 661661540) is 1, the average is 0.041666666666667.

Base conversion 661661540

Base System Value
2 Binary 100111011100000010011101100100
3 Ternary 1201010000212222222
4 Quaternary 213130002131210
5 Quinary 2323341132130
6 Senary 145353411512
8 Octal 4734023544
10 Decimal 661661540
12 Duodecimal 165709b98
16 Hexadecimal 27702764
20 Vigesimal a6f7dh0
36 Base36 axxpb8

Cryptographic Hash Functions

md5 01691023e4b1c720fedfeb7d99455573
sha1 f811d3d793d90806c9b295bc9892d581d9c56d86
sha256 b530e5c858833ab660ccca234901654b6c0bd8e306809ef190c8aaa46ca118b4
sha512 a9159e7aa52d7a67c93fa1a4b7578cd4481b64979b2bc50401d839dca24627e3a9409e40cf7ec63d687a77fd577e4f65c47ca82fe144ef47017a8212271eb137
ripemd-160 43ee92350f75faed4a49fe3b46709f5db41a84f3

661661540 as geometric shapes

Circle

Radius = n
Diameter 1323323080
Circumference 4157342066.4538
Area 1.3753766769983E+18

Sphere

Radius = n
Volume 1.2133784669104E+27
Surface area 5.5015067079932E+18
Circumference 4157342066.4538

Square

Length = n
Perimeter 2646646160
Area 437795993515171600
Diagonal 935730723.56867

Cube

Length = n
Surface area 2626775961091029600
Volume 2.8967277127508E+26
Space diagonal 1146031404.6943

Equilateral Triangle

Length = n
Perimeter 1984984620
Area 1.8957122602959E+17
Altitude 573015702.34713

Triangular Pyramid

Length = n
Surface area 1.8957122602959E+17
Volume 3.4138263482285E+25
Height 311910241.18956