121879905 (number)

121879905 is an odd 9-digits composite number following 121879904 and preceding 121879906. In scientific notation, it is written as 1.21879905 × 10^8. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 55714176 positive integers (up to 121879905) that are relatively prime to 121879905.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million eight hundred seventy-nine thousand nine hundred five

Notation

Scientific notation 1.21879905 × 10^8
Engineering notation 1.21879905 × 10^6

Prime Factorization of 121879905

Prime Factorization 3 × 5 × 49 × 7 × 23689

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 121879905
Product of the distinct prime numbers

The prime factorization of 121879905 is 3 × 5 × 49 × 7 × 23689. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 62, 2, 717, 953, 3566, 1508, 40671, 97945, 996214, 952228, 5412005, 9120263, 32797837, 73542610, 905501452, 746106955, 498299464, 7226211858

Basic calculations (n = 121879905)

Multiplication

n×y
n×2 243759810
n×3 365639715
n×4 487519620
n×5 609399525

Division

n÷y
n÷2 60939952.5
n÷3 40626635
n÷3 30469976.25
n÷5 24375981

Exponentiation

ny
n2 14854711242809025
n3 1.810490795076E+24
n4 2.2066244610724E+32
n5 2.6894317968618E+40

Nth Root

y√n
2√n 11039.923233429
3√n 495.80477190345
4√n 105.0710389852
5√n 41.417742280439

Divisors of 121879905

1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 23689, 71067, 118445, 165823, 355335, 497469, 829115, 1160761, 2487345, 3482283, 5803805, 8125327, 17411415, 24375981, 40626635, 121879905

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121879904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121879905 can be divided by 32 positive divisors. The sum of these divisors (counting 121879905) is 1, the average is 0.03125.

Base conversion 121879905

Base System Value
2 Binary 111010000111011110101100001
3 Ternary 22111100010210120
4 Quaternary 13100323311201
5 Quinary 222200124110
6 Senary 20032150453
8 Octal 720736541
10 Decimal 121879905
12 Duodecimal 34998429
16 Hexadecimal 743bd61
20 Vigesimal 1i1ejf5
36 Base36 20kb4x

Cryptographic Hash Functions

md5 5d9eb526984f7fa482e049a2cc824fa9
sha1 72fbe3cd3023673eefc2a0bce434a7b22f2dff11
sha256 36087bd60b4ed56857f59cecc8a20ad863fb52ce084d00c8c9a1e82c4ed39704
sha512 63db99acc439030f9179b3cc542b885d379fe49a80fb452d374b57f8e53622f0c79d6af43a46d89de8278612a354bfdbd6291e3110810e68050e0f2f129644aa
ripemd-160 ea789afd28c1cfe621b2b846b10fcb18c7259e7c

121879905 as geometric shapes

Circle

Radius = n
Diameter 243759810
Circumference 765794028.33644
Area 4.6667451711607E+16

Sphere

Radius = n
Volume 7.5837661082703E+24
Surface area 1.8666980684643E+17
Circumference 765794028.33644

Square

Length = n
Perimeter 487519620
Area 14854711242809025
Diagonal 172364214.63174

Cube

Length = n
Surface area 89128267456854150
Volume 1.810490795076E+24
Space diagonal 211102187.88167

Equilateral Triangle

Length = n
Perimeter 365639715
Area 6.4322786510775E+15
Altitude 105551093.94083

Triangular Pyramid

Length = n
Surface area 6.4322786510775E+15
Volume 2.1336838641234E+23
Height 57454738.210581