688193721 (number)

688193721 is an odd 9-digits composite number following 688193720 and preceding 688193722. In scientific notation, it is written as 6.88193721 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 458795808 positive integers (up to 688193721) that are relatively prime to 688193721.

Interesting facts

Basic properties

Name

Name six hundred eighty-eight million one hundred ninety-three thousand seven hundred twenty-one

Notation

Scientific notation 6.88193721 × 10^8
Engineering notation 6.88193721 × 10^6

Prime Factorization of 688193721

Prime Factorization 3 × 3 × 76465969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 229397907
Product of the distinct prime numbers

The prime factorization of 688193721 is 3 × 3 × 76465969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 65, 97, 456, 418, 4100, 1800, 15123, 8312, 450427, 73312, 7061194, 6750139, 65503138, 56962303, 9114729, 748718377, 8400494770, 841247932

Basic calculations (n = 688193721)

Multiplication

n×y
n×2 1376387442
n×3 2064581163
n×4 2752774884
n×5 3440968605

Division

n÷y
n÷2 344096860.5
n÷3 229397907
n÷3 172048430.25
n÷5 137638744.2

Exponentiation

ny
n2 473610597623825841
n3 3.2593583948377E+26
n4 2.243069981816E+35
n5 1.5436666772493E+44

Nth Root

y√n
2√n 26233.446609243
3√n 882.88384183067
4√n 161.96742453112
5√n 58.552054874845

Divisors of 688193721

1, 3, 9, 76465969, 229397907, 688193721

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -688193720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 688193721 can be divided by 6 positive divisors. The sum of these divisors (counting 688193721) is 1, the average is 0.16666666666667.

Base conversion 688193721

Base System Value
2 Binary 101001000001010000000010111001
3 Ternary 1202221221212022100
4 Quaternary 221001100002321
5 Quinary 2402134144341
6 Senary 152142214013
8 Octal 5101200271
10 Decimal 688193721
12 Duodecimal 172584309
16 Hexadecimal 290500b9
20 Vigesimal af14461
36 Base36 bdqdo9

Cryptographic Hash Functions

md5 4d57bbf5bb35a6d1f5d7c400d1cf61a9
sha1 1e1a4a41da8d624ace95064bc36813e5f2452d31
sha256 d1b1fce006f29435f72bb3f038e55caa4440223b8163e33846c5bd7b7f07f2d4
sha512 9f564ed7b36590d9b91436e88e79f9aeb10f9edc58e75dc12d8f0c541c54fcb14540dc7f66094bcd90d1590771bcefa6d768791c40b285754e18d6a4a0164bda
ripemd-160 b2d3be2efe20ff0103f296e9a6b9f5fe83dfdcca

688193721 as geometric shapes

Circle

Radius = n
Diameter 1376387442
Circumference 4324048676.2804
Area 1.4878915741573E+18

Sphere

Radius = n
Volume 1.3652768518185E+27
Surface area 5.9515662966291E+18
Circumference 4324048676.2804

Square

Length = n
Perimeter 2752774884
Area 473610597623825841
Diagonal 973252893.77821

Cube

Length = n
Surface area 2841663585742955046
Volume 3.2593583948377E+26
Space diagonal 1191986490.2219

Equilateral Triangle

Length = n
Perimeter 2064581163
Area 2.0507940452188E+17
Altitude 595993245.11094

Triangular Pyramid

Length = n
Surface area 2.0507940452188E+17
Volume 3.8411907055118E+25
Height 324417631.2594