688540894 (number)

688540894 is an even 9-digits composite number following 688540893 and preceding 688540895. In scientific notation, it is written as 6.88540894 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 344233320 positive integers (up to 688540894) that are relatively prime to 688540894.

Interesting facts

Basic properties

Name

Name six hundred eighty-eight million five hundred forty thousand eight hundred ninety-four

Notation

Scientific notation 6.88540894 × 10^8
Engineering notation 6.88540894 × 10^6

Prime Factorization of 688540894

Prime Factorization 2 × 17971 × 19157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 688540894
Product of the distinct prime numbers

The prime factorization of 688540894 is 2 × 17971 × 19157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 10, 14, 906, 950, 3217, 4511, 5168, 14287, 158568, 291837, 1257720, 5036614, 54609161, 46573398, 240262879, 701220078, 7543348652, 2998707597

Basic calculations (n = 688540894)

Multiplication

n×y
n×2 1377081788
n×3 2065622682
n×4 2754163576
n×5 3442704470

Division

n÷y
n÷2 344270447
n÷3 229513631.33333
n÷3 172135223.5
n÷5 137708178.8

Exponentiation

ny
n2 474088562710319236
n3 3.2642936280374E+26
n4 2.2475996529274E+35
n5 1.5475642743807E+44

Nth Root

y√n
2√n 26240.062766693
3√n 883.03227963961
4√n 161.98784758954
5√n 58.557961232687

Divisors of 688540894

1, 2, 17971, 19157, 35942, 38314, 344270447, 688540894

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 -688540893
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 688540894 can be divided by 8 positive divisors. The sum of these divisors (counting 688540894) is 1, the average is 0.125.

Base conversion 688540894

Base System Value
2 Binary 101001000010100100110011011110
3 Ternary 1202222121111112121
4 Quaternary 221002210303132
5 Quinary 2402231302034
6 Senary 152153453154
8 Octal 5102446336
10 Decimal 688540894
12 Duodecimal 1727111ba
16 Hexadecimal 290a4cde
20 Vigesimal af37c4e
36 Base36 bdxtjy

Cryptographic Hash Functions

md5 6a7111444f99841903409dc320323605
sha1 fb43a452e34391b96ae409e860c33d6ae6352712
sha256 39bb6906db5960c369cf0a5c4b88980aa357db19e82e0492c5abef1308ed201c
sha512 f942ec27988b92b6e0f8555c4733485a4eaa2bc2970375b54d0b8c4a2236748589688ece95664ccc11722d7754c045fd4d612d47e94a711c7e0b4a0defacb675
ripemd-160 093a43a63fb51c1e24e394747bd22e5419281f06

688540894 as geometric shapes

Circle

Radius = n
Diameter 1377081788
Circumference 4326230028.5731
Area 1.4893931457617E+18

Sphere

Radius = n
Volume 1.367344117467E+27
Surface area 5.9575725830467E+18
Circumference 4326230028.5731

Square

Length = n
Perimeter 2754163576
Area 474088562710319236
Diagonal 973743870.5433

Cube

Length = n
Surface area 2844531376261915416
Volume 3.2642936280374E+26
Space diagonal 1192587811.4969

Equilateral Triangle

Length = n
Perimeter 2065622682
Area 2.0528636947539E+17
Altitude 596293905.74845

Triangular Pyramid

Length = n
Surface area 2.0528636947539E+17
Volume 3.8470069336155E+25
Height 324581290.1811