668889291 (number)

668889291 is an odd 9-digits composite number following 668889290 and preceding 668889292. In scientific notation, it is written as 6.68889291 × 10^8. The sum of its digits is 57. It has a total of 5 prime factors and 32 positive divisors. There are 373434624 positive integers (up to 668889291) that are relatively prime to 668889291.

Interesting facts

Basic properties

Name

Name six hundred sixty-eight million eight hundred eighty-nine thousand two hundred ninety-one

Notation

Scientific notation 6.68889291 × 10^8
Engineering notation 6.68889291 × 10^6

Prime Factorization of 668889291

Prime Factorization 7 × 3 × 73 × 109 × 4003

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 668889291
Product of the distinct prime numbers

The prime factorization of 668889291 is 7 × 3 × 73 × 109 × 4003. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 668889291)

Multiplication

n×y
n×2 1337778582
n×3 2006667873
n×4 2675557164
n×5 3344446455

Division

n÷y
n÷2 334444645.5
n÷3 222963097
n÷3 167222322.75
n÷5 133777858.2

Exponentiation

ny
n2 447412883614482681
n3 2.9926968650516E+26
n4 2.0017828842423E+35
n5 1.3389711341767E+44

Nth Root

y√n
2√n 25862.894095596
3√n 874.55020844444
4√n 160.81944563888
5√n 58.219818685808

Divisors of 668889291

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -668889290
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 668889291 can be divided by 32 positive divisors. The sum of these divisors (counting 668889291) is 1, the average is 0.03125.

Base conversion 668889291

Base System Value
2 Binary 100111110111100111000011001011
3 Ternary 1201121122002121110
4 Quaternary 213313213003023
5 Quinary 2332213424131
6 Senary 150212341403
8 Octal 4767470313
10 Decimal 668889291
12 Duodecimal 168014863
16 Hexadecimal 27de70cb
20 Vigesimal a90b34b
36 Base36 b28ma3

Cryptographic Hash Functions

md5 a3e4d7a0dc0c4d99391202f34f4a7662
sha1 e005fb4c3f151b7a209cf837d0cdac5ac62f0fd8
sha256 0862ae31d976ad746a66e9e04063f043987f8197a36adf61c7eacfcafdb63b98
sha512 9d3e515f03f3ac98334e01cc2b03b40ebbffcc3dc6100a20888fec809b8f6417ef633f2018e7fb116f5bd28958c58b0a3ee33810032080968476dd73e94ca363
ripemd-160 0faba3d801be3e2ec0a4679d9e432a7bf0a364ab

668889291 as geometric shapes

Circle

Radius = n
Diameter 1337778582
Circumference 4202755365.341
Area 1.4055890282847E+18

Sphere

Radius = n
Volume 1.2535779314223E+27
Surface area 5.6223561131387E+18
Circumference 4202755365.341

Square

Length = n
Perimeter 2675557164
Area 447412883614482681
Diagonal 945952307.05832

Cube

Length = n
Surface area 2684477301686896086
Volume 2.9926968650516E+26
Space diagonal 1158550236.6507

Equilateral Triangle

Length = n
Perimeter 2006667873
Area 1.937354615953E+17
Altitude 579275118.32536

Triangular Pyramid

Length = n
Surface area 1.937354615953E+17
Volume 3.5269270788561E+25
Height 315317435.68611