688989897 (number)

688989897 is an odd 9-digits composite number following 688989896 and preceding 688989898. In scientific notation, it is written as 6.88989897 × 10^8. The sum of its digits is 72. It has a total of 3 prime factors and 8 positive divisors. There are 456283800 positive integers (up to 688989897) that are relatively prime to 688989897.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.88989897 × 10^8
Engineering notation 6.88989897 × 10^6

Prime Factorization of 688989897

Prime Factorization 9 × 151 × 506983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 688989897
Product of the distinct prime numbers

The prime factorization of 688989897 is 9 × 151 × 506983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 11, 48, 115, 467, 4196, 2900, 78876, 40229, 870383, 306013, 5396124, 4819793, 81050285, 49959957, 221661771, 818958787, 7596584959, 2000866100

Basic calculations (n = 688989897)

Multiplication

n×y
n×2 1377979794
n×3 2066969691
n×4 2755959588
n×5 3444949485

Division

n÷y
n÷2 344494948.5
n÷3 229663299
n÷3 172247474.25
n÷5 137797979.4

Exponentiation

ny
n2 474707078168070609
n3 3.2706838089219E+26
n4 2.2534681006287E+35
n5 1.5526167545449E+44

Nth Root

y√n
2√n 26248.617049285
3√n 883.22418205907
4√n 162.01424952542
5√n 58.565596463915

Divisors of 688989897

1, 9, 151, 1359, 506983, 4562847, 76554433, 688989897

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 -688989896
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 688989897 can be divided by 8 positive divisors. The sum of these divisors (counting 688989897) is 1, the average is 0.125.

Base conversion 688989897

Base System Value
2 Binary 101001000100010010011011001001
3 Ternary 1210000110022110100
4 Quaternary 221010102123021
5 Quinary 2402340134042
6 Senary 152211240013
8 Octal 5104223311
10 Decimal 688989897
12 Duodecimal 1728a9009
16 Hexadecimal 291126c9
20 Vigesimal af63eeh
36 Base36 be7g09

Cryptographic Hash Functions

md5 04b9f8f5f601b29cc875844d96107aaf
sha1 9891a53daa1779454d7e3b5d117355e4d8520cfb
sha256 1bb1c1071e9a73c4a43dbc12f842e5171d1dc3d56d849c86abcce1cc107117d2
sha512 74864fbb8ce6ba1a410e14395e6dd1825fe5ee4d5afb921d00dd52ed4e307e2a47100908c605c69839e125a065c9ca1819300ef56c63011448f7790d522de12f
ripemd-160 b25e9027954c5315eb13ae472b7dfe188dd1052e

688989897 as geometric shapes

Circle

Radius = n
Diameter 1377979794
Circumference 4329051197.6256
Area 1.4913362693799E+18

Sphere

Radius = n
Volume 1.3700208301765E+27
Surface area 5.9653450775195E+18
Circumference 4329051197.6256

Square

Length = n
Perimeter 2755959588
Area 474707078168070609
Diagonal 974378856.67544

Cube

Length = n
Surface area 2848242469008423654
Volume 3.2706838089219E+26
Space diagonal 1193365507.5056

Equilateral Triangle

Length = n
Perimeter 2066969691
Area 2.0555419452492E+17
Altitude 596682753.75282

Triangular Pyramid

Length = n
Surface area 2.0555419452492E+17
Volume 3.8545378340095E+25
Height 324792952.22515