121877981 (number)

121877981 is an odd 9-digits composite number following 121877980 and preceding 121877982. In scientific notation, it is written as 1.21877981 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 110035968 positive integers (up to 121877981) that are relatively prime to 121877981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21877981 × 10^8
Engineering notation 1.21877981 × 10^6

Prime Factorization of 121877981

Prime Factorization 17 × 173 × 29 × 1429

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121877981
Product of the distinct prime numbers

The prime factorization of 121877981 is 17 × 173 × 29 × 1429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 31, 92, 723, 10, 466, 692, 91264, 85678, 709155, 922137, 2583448, 4731057, 44768984, 55542081, 166014668, 394939207, 8218015341, 8734028134

Basic calculations (n = 121877981)

Multiplication

n×y
n×2 243755962
n×3 365633943
n×4 487511924
n×5 609389905

Division

n÷y
n÷2 60938990.5
n÷3 40625993.666667
n÷3 30469495.25
n÷5 24375596.2

Exponentiation

ny
n2 14854242252636361
n3 1.8104050550362E+24
n4 2.2064851290001E+32
n5 2.6892195262905E+40

Nth Root

y√n
2√n 11039.836094798
3√n 495.80216295983
4√n 105.07062431906
5√n 41.417611515258

Divisors of 121877981

1, 17, 29, 173, 493, 1429, 2941, 5017, 24293, 41441, 85289, 247217, 704497, 4202689, 7169293, 121877981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121877980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121877981 can be divided by 16 positive divisors. The sum of these divisors (counting 121877981) is 1, the average is 0.0625.

Base conversion 121877981

Base System Value
2 Binary 111010000111011010111011101
3 Ternary 22111100001011022
4 Quaternary 13100323113131
5 Quinary 222200043411
6 Senary 20032133525
8 Octal 720732735
10 Decimal 121877981
12 Duodecimal 349972a5
16 Hexadecimal 743b5dd
20 Vigesimal 1i1eej1
36 Base36 20k9nh

Cryptographic Hash Functions

md5 d271c4ca2d12987ea23a5cf0d30b2b9d
sha1 07d2c4e06ef95942d60f48e96a22213586b79bdd
sha256 5afd418a1e1875e6ff151cc6cfd04475fc6ea6f1078f3c1563ff9fd38f7bb388
sha512 6a8536465a99fe26636c0e7b8b0610a6ce4e7ff8e9171b3170b0af6f0ec3ecaf4cb9fb65c4db49f04d1d2f3ef2a26022a5d5e8ccb224924356d9435041d6a279
ripemd-160 f620277efa5fb34fa10d8bb63f540fa11c8f2bf0

121877981 as geometric shapes

Circle

Radius = n
Diameter 243755962
Circumference 765781939.48791
Area 4.6665978335525E+16

Sphere

Radius = n
Volume 7.5834069612314E+24
Surface area 1.866639133421E+17
Circumference 765781939.48791

Square

Length = n
Perimeter 487511924
Area 14854242252636361
Diagonal 172361493.68485

Cube

Length = n
Surface area 89125453515818166
Volume 1.8104050550362E+24
Space diagonal 211098855.41591

Equilateral Triangle

Length = n
Perimeter 365633943
Area 6.4320755723756E+15
Altitude 105549427.70796

Triangular Pyramid

Length = n
Surface area 6.4320755723756E+15
Volume 2.1335828185175E+23
Height 57453831.228283