208840991 (number)

208840991 is an odd 9-digits composite number following 208840990 and preceding 208840992. In scientific notation, it is written as 2.08840991 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 208811400 positive integers (up to 208840991) that are relatively prime to 208840991.

Interesting facts

Basic properties

Name

Name two hundred eight million eight hundred forty thousand nine hundred ninety-one

Notation

Scientific notation 2.08840991 × 10^8
Engineering notation 2.08840991 × 10^6

Prime Factorization of 208840991

Prime Factorization 17971 × 11621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 208840991
Product of the distinct prime numbers

The prime factorization of 208840991 is 17971 × 11621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 51, 23, 945, 477, 1669, 5122, 91131, 41980, 252932, 950065, 6701111, 5017314, 67541474, 12213526, 915579655, 685700783, 9106428083, 7379979024

Basic calculations (n = 208840991)

Multiplication

n×y
n×2 417681982
n×3 626522973
n×4 835363964
n×5 1044204955

Division

n÷y
n÷2 104420495.5
n÷3 69613663.666667
n÷3 52210247.75
n÷5 41768198.2

Exponentiation

ny
n2 43614559521862081
n3 9.1085078325742E+24
n4 1.9022298022861E+33
n5 3.9726355701915E+41

Nth Root

y√n
2√n 14451.331807138
3√n 593.29667593949
4√n 120.21369226148
5√n 46.12784323218

Divisors of 208840991

1, 11621, 17971, 208840991

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 -208840990
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 208840991 can be divided by 4 positive divisors. The sum of these divisors (counting 208840991) is 1, the average is 0.25.

Base conversion 208840991

Base System Value
2 Binary 1100011100101010100100011111
3 Ternary 112112222012222112
4 Quaternary 30130222210133
5 Quinary 411430402431
6 Senary 32420104235
8 Octal 1434524437
10 Decimal 208840991
12 Duodecimal 59b3507b
16 Hexadecimal c72a91f
20 Vigesimal 355529b
36 Base36 3gc6qn

Cryptographic Hash Functions

md5 5e535aa0ec5d40ea4ef98620d71babf8
sha1 ae90607c364f118fc459304cadfbf935734c43c3
sha256 650859ec420c9b78d5f98135000c8b099a862e999fc085457e81e7ace7a989c5
sha512 9a91e8c8db8894adf78a3a9c7f221fafe9db4ad8fcb26a9a27abe6aaa93ee91be4e9b28440cc4bc160a941d82c16837115ac500ab6ac9b45037ae444ae35318d
ripemd-160 4d8d7936437f2bccdd66214868d310f4e397191f

208840991 as geometric shapes

Circle

Radius = n
Diameter 417681982
Circumference 1312186646.188
Area 1.3701917978344E+17

Sphere

Radius = n
Volume 3.8153628389307E+25
Surface area 5.4807671913375E+17
Circumference 1312186646.188

Square

Length = n
Perimeter 835363964
Area 43614559521862081
Diagonal 295345761.85164

Cube

Length = n
Surface area 261687357131172486
Volume 9.1085078325742E+24
Space diagonal 361723207.11503

Equilateral Triangle

Length = n
Perimeter 626522973
Area 1.8885658260401E+16
Altitude 180861603.55752

Triangular Pyramid

Length = n
Surface area 1.8885658260401E+16
Volume 1.073447942484E+24
Height 98448587.283879