668889387 (number)

668889387 is an odd 9-digits composite number following 668889386 and preceding 668889388. In scientific notation, it is written as 6.68889387 × 10^8. The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors. There are 431541000 positive integers (up to 668889387) that are relatively prime to 668889387.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred eighty-nine thousand three hundred eighty-seven

Notation

Scientific notation 6.68889387 × 10^8
Engineering notation 6.68889387 × 10^6

Prime Factorization of 668889387

Prime Factorization 27 × 31 × 799151

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 668889387
Product of the distinct prime numbers

The prime factorization of 668889387 is 27 × 31 × 799151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 78, 99, 579, 530, 1225, 7878, 87838, 88723, 718774, 666299, 8773772, 8595255, 43529454, 58277485, 892767182, 793650161, 6689179994, 7359783886

Basic calculations (n = 668889387)

Multiplication

n×y
n×2 1337778774
n×3 2006668161
n×4 2675557548
n×5 3344446935

Division

n÷y
n÷2 334444693.5
n÷3 222963129
n÷3 167222346.75
n÷5 133777877.4

Exponentiation

ny
n2 447413012041235769
n3 2.9926981536009E+26
n4 2.0017840334381E+35
n5 1.3389720950328E+44

Nth Root

y√n
2√n 25862.895951536
3√n 874.55025028336
4√n 160.81945140914
5√n 58.219820356967

Divisors of 668889387

1, 27, 31, 837, 799151, 21577077, 24773681, 668889387

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668889386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889387 can be divided by 8 positive divisors. The sum of these divisors (counting 668889387) is 1, the average is 0.125.

Base conversion 668889387

Base System Value
2 Binary 100111110111100111000100101011
3 Ternary 1201121122002202000
4 Quaternary 213313213010223
5 Quinary 2332213430022
6 Senary 150212342043
8 Octal 4767470453
10 Decimal 668889387
12 Duodecimal 168014923
16 Hexadecimal 27de712b
20 Vigesimal a90b397
36 Base36 b28mcr

Cryptographic Hash Functions

md5 a46f7fb9661c2962746ea1dc1d045630
sha1 75bf65e514d0954f30a417f98ce52166f4cb53e8
sha256 4c3cc123ea7b9b01a33314875eda0d2244ca24e8d742ccb923da8db17524ebe0
sha512 cdebfb9b62a9622fb1d7f630bf9d4c59d893a0937ea82885248a61f2e362c232c8a9c2d8b6f649267b1dcaebe59443d7e1a3e7c49690d12bcf33868ad8ae4fbf
ripemd-160 3574c8436fb84432f903c1e1eef7c67d191b03f7

668889387 as geometric shapes

Circle

Radius = n
Diameter 1337778774
Circumference 4202755968.5268
Area 1.4055894317492E+18

Sphere

Radius = n
Volume 1.2535784711686E+27
Surface area 5.6223577269969E+18
Circumference 4202755968.5268

Square

Length = n
Perimeter 2675557548
Area 447413012041235769
Diagonal 945952442.82283

Cube

Length = n
Surface area 2684478072247414614
Volume 2.9926981536009E+26
Space diagonal 1158550402.9276

Equilateral Triangle

Length = n
Perimeter 2006668161
Area 1.9373551720571E+17
Altitude 579275201.4638

Triangular Pyramid

Length = n
Surface area 1.9373551720571E+17
Volume 3.526928597426E+25
Height 315317480.94094