668804978 (number)

668804978 is an even 9-digits composite number following 668804977 and preceding 668804979. In scientific notation, it is written as 6.68804978 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 315565056 positive integers (up to 668804978) that are relatively prime to 668804978.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred four thousand nine hundred seventy-eight

Notation

Scientific notation 6.68804978 × 10^8
Engineering notation 6.68804978 × 10^6

Prime Factorization of 668804978

Prime Factorization 2 × 19 × 257 × 68483

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668804978
Product of the distinct prime numbers

The prime factorization of 668804978 is 2 × 19 × 257 × 68483. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 1, 13, 957, 411, 1302, 4237, 94342, 39387, 559413, 782421, 9894762, 885798, 91609125, 22139239, 991729697, 560070770, 939519959, 5033168462

Basic calculations (n = 668804978)

Multiplication

n×y
n×2 1337609956
n×3 2006414934
n×4 2675219912
n×5 3344024890

Division

n÷y
n÷2 334402489
n÷3 222934992.66667
n÷3 167201244.5
n÷5 133760995.6

Exponentiation

ny
n2 447300098597580484
n3 2.9915653260195E+26
n4 2.0007737820541E+35
n5 1.3381274652896E+44

Nth Root

y√n
2√n 25861.264044899
3√n 874.51346143162
4√n 160.81437760629
5√n 58.218350898791

Divisors of 668804978

1, 2, 19, 38, 257, 514, 4883, 9766, 68483, 136966, 1301177, 2602354, 17600131, 35200262, 334402489, 668804978

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 -668804977
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 668804978 can be divided by 16 positive divisors. The sum of these divisors (counting 668804978) is 1, the average is 0.0625.

Base conversion 668804978

Base System Value
2 Binary 100111110111010010011101110010
3 Ternary 1201121110210221202
4 Quaternary 213313102131302
5 Quinary 2332203224403
6 Senary 150210451202
8 Octal 4767223562
10 Decimal 668804978
12 Duodecimal 167b93b02
16 Hexadecimal 27dd2772
20 Vigesimal a900c8i
36 Base36 b26t82

Cryptographic Hash Functions

md5 fabab95dc184cc2ec05912f18c0c3d02
sha1 6d6319ba45d134c21431de7708cda06842b8f3a9
sha256 30910ed9b06366ebf606223ec6d8220f5014d79bd1061b616c97cdd310facd06
sha512 6e1c84fd064b74ffea5afd2801f88325bc1ea49e1b0afc51e45ee42dfbd71b251979ed2f6d482c8855641b6b7ce66d2ff6899a895284e0dc6818fb8501d69a46
ripemd-160 80ea900a54e7a5264b5a3e87c0a1bedb5e2ea982

668804978 as geometric shapes

Circle

Radius = n
Diameter 1337609956
Circumference 4202225611.1382
Area 1.4052347037041E+18

Sphere

Radius = n
Volume 1.2531039534609E+27
Surface area 5.6209388148166E+18
Circumference 4202225611.1382

Square

Length = n
Perimeter 2675219912
Area 447300098597580484
Diagonal 945833070.47024

Cube

Length = n
Surface area 2683800591585482904
Volume 2.9915653260195E+26
Space diagonal 1158404202.251

Equilateral Triangle

Length = n
Perimeter 2006414934
Area 1.9368662425039E+17
Altitude 579202101.12549

Triangular Pyramid

Length = n
Surface area 1.9368662425039E+17
Volume 3.5255935473183E+25
Height 315277690.15675