689781891 (number)

689781891 is an odd 9-digits composite number following 689781890 and preceding 689781892. In scientific notation, it is written as 6.89781891 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 433832256 positive integers (up to 689781891) that are relatively prime to 689781891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.89781891 × 10^8
Engineering notation 6.89781891 × 10^6

Prime Factorization of 689781891

Prime Factorization 3 × 23 × 73 × 136943

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 689781891
Product of the distinct prime numbers

The prime factorization of 689781891 is 3 × 23 × 73 × 136943. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 39, 43, 471, 568, 6628, 5328, 84280, 11739, 274765, 965336, 8244231, 805622, 19866612, 8548607, 311698231, 839256624, 1948090541, 7872207254

Basic calculations (n = 689781891)

Multiplication

n×y
n×2 1379563782
n×3 2069345673
n×4 2759127564
n×5 3448909455

Division

n÷y
n÷2 344890945.5
n÷3 229927297
n÷3 172445472.75
n÷5 137956378.2

Exponentiation

ny
n2 475799057151535881
n3 3.28197573378E+26
n4 2.2638474278629E+35
n5 1.5615609597268E+44

Nth Root

y√n
2√n 26263.699111131
3√n 883.56247458394
4√n 162.06078832071
5√n 58.579054509881

Divisors of 689781891

1, 3, 23, 69, 73, 219, 1679, 5037, 136943, 410829, 3149689, 9449067, 9996839, 29990517, 229927297, 689781891

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -689781890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 689781891 can be divided by 16 positive divisors. The sum of these divisors (counting 689781891) is 1, the average is 0.0625.

Base conversion 689781891

Base System Value
2 Binary 101001000111010011110010000011
3 Ternary 1210001221112212110
4 Quaternary 221013103302003
5 Quinary 2403041010031
6 Senary 152240230403
8 Octal 5107236203
10 Decimal 689781891
12 Duodecimal 17300b403
16 Hexadecimal 291d3c83
20 Vigesimal afb2eeb
36 Base36 beof43

Cryptographic Hash Functions

md5 cc9fb9b68257ad667d73b3871e9f46a5
sha1 4f4160de91ba62188c200296e5753663c14f60c5
sha256 f9f6b52f7344717897925d659b54c92c58df2c5c9c49024a7e7324a5a7bdf78e
sha512 070e8f281b1267d076079e66a3a79373c4e5d5d7339cef57ba8286615c1b8fe00fec080d0e9456824a8bc8b42b745e1211ffeeb0163c02abdeb1f7cea4e19af7
ripemd-160 936fd44a58975231a3aadf4bdd3d8e579db480f8

689781891 as geometric shapes

Circle

Radius = n
Diameter 1379563782
Circumference 4334027442.6898
Area 1.4947668225322E+18

Sphere

Radius = n
Volume 1.3747507806004E+27
Surface area 5.9790672901289E+18
Circumference 4334027442.6898

Square

Length = n
Perimeter 2759127564
Area 475799057151535881
Diagonal 975498905.33156

Cube

Length = n
Surface area 2854794342909215286
Volume 3.28197573378E+26
Space diagonal 1194737281.3529

Equilateral Triangle

Length = n
Perimeter 2069345673
Area 2.0602703529496E+17
Altitude 597368640.67647

Triangular Pyramid

Length = n
Surface area 2.0602703529496E+17
Volume 3.8678454950759E+25
Height 325166301.77719