207979981 (number)

207979981 is an odd 9-digits composite number following 207979980 and preceding 207979982. In scientific notation, it is written as 2.07979981 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 188922000 positive integers (up to 207979981) that are relatively prime to 207979981.

Interesting facts

Basic properties

Name

Name two hundred seven million nine hundred seventy-nine thousand nine hundred eighty-one

Notation

Scientific notation 2.07979981 × 10^8
Engineering notation 2.07979981 × 10^6

Prime Factorization of 207979981

Prime Factorization 11 × 1381 × 13691

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 207979981
Product of the distinct prime numbers

The prime factorization of 207979981 is 11 × 1381 × 13691. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 61, 82, 582, 632, 7981, 6312, 75658, 75780, 416125, 807985, 6889949, 4937179, 24050486, 64249969, 833065328, 116546775, 3063868750, 6273010540

Basic calculations (n = 207979981)

Multiplication

n×y
n×2 415959962
n×3 623939943
n×4 831919924
n×5 1039899905

Division

n÷y
n÷2 103989990.5
n÷3 69326660.333333
n÷3 51994995.25
n÷5 41595996.2

Exponentiation

ny
n2 43255672496760361
n3 8.9963139440184E+24
n4 1.871053203147E+33
n5 3.891416096405E+41

Nth Root

y√n
2√n 14421.511051204
3√n 592.48020467136
4√n 120.08959593239
5√n 46.08974516153

Divisors of 207979981

1, 11, 1381, 13691, 15191, 150601, 18907271, 207979981

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 -207979980
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 207979981 can be divided by 8 positive divisors. The sum of these divisors (counting 207979981) is 1, the average is 0.125.

Base conversion 207979981

Base System Value
2 Binary 1100011001011000010111001101
3 Ternary 112111100110220021
4 Quaternary 30121120113031
5 Quinary 411220324411
6 Senary 32345422141
8 Octal 1431302715
10 Decimal 207979981
12 Duodecimal 5979a951
16 Hexadecimal c6585cd
20 Vigesimal 34jh9j1
36 Base36 3ftqdp

Cryptographic Hash Functions

md5 e663567b478736aee791e612adead374
sha1 27dfa9818f82242d7dca40504595cfc465eb5ddc
sha256 6fb7bd8ee397ecfb018b7467b025cc97b5f136c62a88cf5ea674133dba7ffdc2
sha512 d71a7ecefbb48f006a931c4840dc69a42f38eb1e407e6ce28b6bee70b3cf9f5f4d32c362faf367ef89c441de327f80ba93b2c13dd1be0e2e1f0aae471e48d5fc
ripemd-160 a37b4cd4835ee9190c7288d9b34f53bf81a12773

207979981 as geometric shapes

Circle

Radius = n
Diameter 415959962
Circumference 1306776760.8067
Area 1.3589170294191E+17

Sphere

Radius = n
Volume 3.7683671727888E+25
Surface area 5.4356681176763E+17
Circumference 1306776760.8067

Square

Length = n
Perimeter 831919924
Area 43255672496760361
Diagonal 294128109.8323

Cube

Length = n
Surface area 259534034980562166
Volume 8.9963139440184E+24
Space diagonal 360231894.04921

Equilateral Triangle

Length = n
Perimeter 623939943
Area 1.8730255619987E+16
Altitude 180115947.0246

Triangular Pyramid

Length = n
Surface area 1.8730255619987E+16
Volume 1.0602257659164E+24
Height 98042703.277433