688989898 (number)

688989898 is an even 9-digits composite number following 688989897 and preceding 688989899. In scientific notation, it is written as 6.88989898 × 10^8. The sum of its digits is 73. It has a total of 2 prime factors and 4 positive divisors. There are 344494948 positive integers (up to 688989898) that are relatively prime to 688989898.

Interesting facts

Basic properties

Name

Name six hundred eighty-eight million nine hundred eighty-nine thousand eight hundred ninety-eight

Notation

Scientific notation 6.88989898 × 10^8
Engineering notation 6.88989898 × 10^6

Prime Factorization of 688989898

Prime Factorization 2 × 344494949

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 688989898
Product of the distinct prime numbers

The prime factorization of 688989898 is 2 × 344494949. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 15, 66, 570, 507, 8040, 6758, 96304, 230, 369262, 195069, 8399197, 7327595, 10579255, 13672084, 603006983, 634993647, 1710649857, 324003128

Basic calculations (n = 688989898)

Multiplication

n×y
n×2 1377979796
n×3 2066969694
n×4 2755959592
n×5 3444949490

Division

n÷y
n÷2 344494949
n÷3 229663299.33333
n÷3 172247474.5
n÷5 137797979.6

Exponentiation

ny
n2 474707079546050404
n3 3.2706838231631E+26
n4 2.2534681137114E+35
n5 1.5526167658123E+44

Nth Root

y√n
2√n 26248.617068333
3√n 883.22418248637
4√n 162.01424958421
5√n 58.565596480916

Divisors of 688989898

1, 2, 344494949, 688989898

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -688989897
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 688989898 can be divided by 4 positive divisors. The sum of these divisors (counting 688989898) is 1, the average is 0.25.

Base conversion 688989898

Base System Value
2 Binary 101001000100010010011011001010
3 Ternary 1210000110022110101
4 Quaternary 221010102123022
5 Quinary 2402340134043
6 Senary 152211240014
8 Octal 5104223312
10 Decimal 688989898
12 Duodecimal 1728a900a
16 Hexadecimal 291126ca
20 Vigesimal af63eei
36 Base36 be7g0a

Cryptographic Hash Functions

md5 dede416b8a7910d5beb3c5aa6294d635
sha1 8e36c69cdb753494051d1394ac01d762db323cc9
sha256 4aeb0a24b2acb397d9129d92da9972927252b2631dc178187182de2e9a624d48
sha512 c72c2cbab7e8b12d62cfb7e8576f2a911efc6f24c46675645c8b8efe99cd6bc8835d3a12ca9bde5afff2dbdf33f77441397ed914f2b287899d0a0ce7c62f25eb
ripemd-160 0cf5e1815745697762d074b3268ed753d3d28c94

688989898 as geometric shapes

Circle

Radius = n
Diameter 1377979796
Circumference 4329051203.9088
Area 1.4913362737089E+18

Sphere

Radius = n
Volume 1.3700208361419E+27
Surface area 5.9653450948357E+18
Circumference 4329051203.9088

Square

Length = n
Perimeter 2755959592
Area 474707079546050404
Diagonal 974378858.08966

Cube

Length = n
Surface area 2848242477276302424
Volume 3.2706838231631E+26
Space diagonal 1193365509.2377

Equilateral Triangle

Length = n
Perimeter 2066969694
Area 2.055541951216E+17
Altitude 596682754.61885

Triangular Pyramid

Length = n
Surface area 2.055541951216E+17
Volume 3.854537850793E+25
Height 324792952.69655