208520981 (number)

208520981 is an odd 9-digits prime number following 208520980 and preceding 208520982. In scientific notation, it is written as 2.08520981 × 10^8. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 208520980 positive integers (up to 208520981) that are relatively prime to 208520981.

Interesting facts

Basic properties

Name

Name two hundred eight million five hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 2.08520981 × 10^8
Engineering notation 2.08520981 × 10^6

Prime Factorization of 208520981

Prime Factorization 208520981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 208520981
Product of the distinct prime numbers

The prime factorization of 208520981 is 208520981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 8, 61, 40, 272, 457, 3995, 3552, 76093, 87170, 418429, 363476, 2986023, 2552303, 7112029, 52939989, 759138858, 909191829, 9979176735, 3000423752

Basic calculations (n = 208520981)

Multiplication

n×y
n×2 417041962
n×3 625562943
n×4 834083924
n×5 1042604905

Division

n÷y
n÷2 104260490.5
n÷3 69506993.666667
n÷3 52130245.25
n÷5 41704196.2

Exponentiation

ny
n2 43480999517202361
n3 9.0667006741876E+24
n4 1.890597319015E+33
n5 3.9422920763697E+41

Nth Root

y√n
2√n 14440.255572531
3√n 592.99348206538
4√n 120.1676144913
5√n 46.113698090469

Divisors of 208520981

1, 208520981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 208520982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 104260491
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 14440.255607156
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999904086
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 208520981 can be divided by 2 positive divisors. The sum of these divisors (counting 208520981) is 208520982, the average is 104260491.

Base conversion 208520981

Base System Value
2 Binary 1100011011011100011100010101
3 Ternary 112112100222000022
4 Quaternary 30123130130111
5 Quinary 411340132411
6 Senary 32405154525
8 Octal 1433343425
10 Decimal 208520981
12 Duodecimal 599bba45
16 Hexadecimal c6dc715
20 Vigesimal 3535291
36 Base36 3g5bth

Cryptographic Hash Functions

md5 8f41db4a52b6c45e6480e1ea807628bd
sha1 ab5dea5cc0b7e63961491ad726965e041fed8c09
sha256 0d5feb3376979550819ffa3bae2619fa89a8e2d0776be883b2e06b9f38d8fc43
sha512 033fd1f6e238734e42c6cf1efbd5ae1c0edd63639c0d79b832fabe043849d2b6baa7b13eb7e9a645850adefa1d16ae8cd07cb2cac6e9504881bf6f67f58053b7
ripemd-160 22abe533c0e7c4dfe76646fe8c8e86af9231ff3e

208520981 as geometric shapes

Circle

Radius = n
Diameter 417041962
Circumference 1310175964.0579
Area 1.3659958865398E+17

Sphere

Radius = n
Volume 3.7978506973767E+25
Surface area 5.4639835461594E+17
Circumference 1310175964.0579

Square

Length = n
Perimeter 834083924
Area 43480999517202361
Diagonal 294893199.36954

Cube

Length = n
Surface area 260885997103214166
Volume 9.0667006741876E+24
Space diagonal 361168933.5361

Equilateral Triangle

Length = n
Perimeter 625562943
Area 1.8827825081918E+16
Altitude 180584466.76805

Triangular Pyramid

Length = n
Surface area 1.8827825081918E+16
Volume 1.0685209216178E+24
Height 98297733.123181