668355989 (number)

668355989 is an odd 9-digits composite number following 668355988 and preceding 668355990. In scientific notation, it is written as 6.68355989 × 10^8. The sum of its digits is 59. It has a total of 4 prime factors and 16 positive divisors. There are 541441584 positive integers (up to 668355989) that are relatively prime to 668355989.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million three hundred fifty-five thousand nine hundred eighty-nine

Notation

Scientific notation 6.68355989 × 10^8
Engineering notation 6.68355989 × 10^6

Prime Factorization of 668355989

Prime Factorization 7 × 19 × 439 × 11447

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 668355989
Product of the distinct prime numbers

The prime factorization of 668355989 is 7 × 19 × 439 × 11447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 38, 23, 648, 365, 8208, 1081, 37332, 56121, 324739, 596741, 7820422, 7344210, 1858083, 27350900, 941302198, 979738776, 8278907034, 1299330510

Basic calculations (n = 668355989)

Multiplication

n×y
n×2 1336711978
n×3 2005067967
n×4 2673423956
n×5 3341779945

Division

n÷y
n÷2 334177994.5
n÷3 222785329.66667
n÷3 167088997.25
n÷5 133671197.8

Exponentiation

ny
n2 446699728032168121
n3 2.9855443851497E+26
n4 1.9954064702401E+35
n5 1.3336418648743E+44

Nth Root

y√n
2√n 25852.581863327
3√n 874.31772184859
4√n 160.78738092066
5√n 58.210532051112

Divisors of 668355989

1, 7, 19, 133, 439, 3073, 8341, 11447, 58387, 80129, 217493, 1522451, 5025233, 35176631, 95479427, 668355989

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 -668355988
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 668355989 can be divided by 16 positive divisors. The sum of these divisors (counting 668355989) is 1, the average is 0.0625.

Base conversion 668355989

Base System Value
2 Binary 100111110101100100110110010101
3 Ternary 1201120122000001112
4 Quaternary 213311210312111
5 Quinary 2332044342424
6 Senary 150153104405
8 Octal 4765446625
10 Decimal 668355989
12 Duodecimal 1679b8105
16 Hexadecimal 27d64d95
20 Vigesimal a8h49j9
36 Base36 b1x6s5

Cryptographic Hash Functions

md5 2d5e657d6c2f29a91a9de7a6a1547e15
sha1 5674357beb4b47fd2f5d717cd398b40629cfac54
sha256 467f2a09dabd7a2b473524a2385d880b9e2fa80a74df7a802f82f570ed5e9f19
sha512 524fd8b6d010911113fff3fe09885b5b5193f5f185d4fc37fd7542d329c17c8a10ddd667ab5235bba3dc2a3fa485c5523dbd2f83fdd16fb660c1c4a4a9de74c2
ripemd-160 1144762c1a1bc934b903ffe8f6cc41b8539a111a

668355989 as geometric shapes

Circle

Radius = n
Diameter 1336711978
Circumference 4199404530.0503
Area 1.4033485839464E+18

Sphere

Radius = n
Volume 1.250581907647E+27
Surface area 5.6133943357857E+18
Circumference 4199404530.0503

Square

Length = n
Perimeter 2673423956
Area 446699728032168121
Diagonal 945198104.13708

Cube

Length = n
Surface area 2680198368193008726
Volume 2.9855443851497E+26
Space diagonal 1157626530.4909

Equilateral Triangle

Length = n
Perimeter 2005067967
Area 1.9342665616973E+17
Altitude 578813265.24547

Triangular Pyramid

Length = n
Surface area 1.9342665616973E+17
Volume 3.5184978004546E+25
Height 315066034.71236