121978980 (number)

121978980 is an even 9-digits composite number following 121978979 and preceding 121978981. In scientific notation, it is written as 1.21978980 × 10^8. The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors. There are 32223744 positive integers (up to 121978980) that are relatively prime to 121978980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21978980 × 10^8
Engineering notation 1.21978980 × 10^6

Prime Factorization of 121978980

Prime Factorization 2 × 2 × 15 × 3 × 3 × 113 × 1999

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20329830
Product of the distinct prime numbers

The prime factorization of 121978980 is 2 × 2 × 15 × 3 × 3 × 113 × 1999. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 7, 39, 92, 125, 710, 8009, 2562, 5845, 62140, 302361, 456046, 2041343, 1514325, 54522222, 23998366, 533368136, 757713185, 3528486305, 1098162079

Basic calculations (n = 121978980)

Multiplication

n×y
n×2 243957960
n×3 365936940
n×4 487915920
n×5 609894900

Division

n÷y
n÷2 60989490
n÷3 40659660
n÷3 30494745
n÷5 24395796

Exponentiation

ny
n2 14878871561840400
n3 1.8149095766643E+24
n4 2.2138081895374E+32
n5 2.7003806487542E+40

Nth Root

y√n
2√n 11044.409445507
3√n 495.93908049067
4√n 105.09238528793
5√n 41.424473708726

Divisors of 121978980

1, 2, 3, 4, 6, 9, 12, 15, 18, 30, 36, 45, 60, 90, 113, 135, 180, 226, 270, 339, 452, 540, 678, 1017, 1356, 1695, 1999, 2034, 3390, 3998, 4068, 5085, 5997, 6780, 7996, 10170, 11994, 15255, 17991, 20340, 23988, 29985, 30510, 35982, 59970, 61020, 71964, 89955, 119940, 179910, 225887, 269865, 359820, 451774, 539730, 677661, 903548, 1079460, 1355322, 2032983, 2710644, 3388305, 4065966, 6776610, 8131932, 10164915, 13553220, 20329830, 30494745, 40659660, 60989490, 121978980

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121978979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121978980 can be divided by 72 positive divisors. The sum of these divisors (counting 121978980) is 1, the average is 0.013888888888889.

Base conversion 121978980

Base System Value
2 Binary 111010001010100000001100100
3 Ternary 22111112011201000
4 Quaternary 13101110001210
5 Quinary 222211311410
6 Senary 20034233300
8 Octal 721240144
10 Decimal 121978980
12 Duodecimal 34a25830
16 Hexadecimal 7454064
20 Vigesimal 1i27790
36 Base36 20mfl0

Cryptographic Hash Functions

md5 01c7ac2b697e05d98104c7615f4f0126
sha1 7b1a3db6a303d3c3a0e8b5b09b686ee6e2abd21c
sha256 d6e59801f4982ac96486ccfad1527b3291472adaa0e9ff317f2608b6aeadd2bc
sha512 27eff4a4b1ccd391596b0a6767bf0f285301606fc01ca191436026827610e2aba28ed5c76568a3bb023da3d81137b6eb7f30b2842f207c419a12e47053b6bf1d
ripemd-160 82fc6f591d9e7255d35ee94c778a1be7df09278e

121978980 as geometric shapes

Circle

Radius = n
Diameter 243957960
Circumference 766416534.92075
Area 4.6743353592384E+16

Sphere

Radius = n
Volume 7.6022754573044E+24
Surface area 1.8697341436954E+17
Circumference 766416534.92075

Square

Length = n
Perimeter 487915920
Area 14878871561840400
Diagonal 172504327.84044

Cube

Length = n
Surface area 89273229371042400
Volume 1.8149095766643E+24
Space diagonal 211273790.81543

Equilateral Triangle

Length = n
Perimeter 365936940
Area 6.4427403760998E+15
Altitude 105636895.40771

Triangular Pyramid

Length = n
Surface area 6.4427403760998E+15
Volume 2.1388914481662E+23
Height 57501442.613479