121781805 (number)

121781805 is an odd 9-digits composite number following 121781804 and preceding 121781806. In scientific notation, it is written as 1.21781805 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 63141120 positive integers (up to 121781805) that are relatively prime to 121781805.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million seven hundred eighty-one thousand eight hundred five

Notation

Scientific notation 1.21781805 × 10^8
Engineering notation 1.21781805 × 10^6

Prime Factorization of 121781805

Prime Factorization 3 × 5 × 43 × 541 × 349

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 121781805
Product of the distinct prime numbers

The prime factorization of 121781805 is 3 × 5 × 43 × 541 × 349. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 94, 95, 705, 906, 4157, 4275, 55812, 60064, 288087, 398931, 8119656, 1965126, 11636187, 40667063, 699555160, 548159611, 3548477662, 261587152

Basic calculations (n = 121781805)

Multiplication

n×y
n×2 243563610
n×3 365345415
n×4 487127220
n×5 608909025

Division

n÷y
n÷2 60890902.5
n÷3 40593935
n÷3 30445451.25
n÷5 24356361

Exponentiation

ny
n2 14830808029058025
n3 1.8061225713872E+24
n4 2.1995286679477E+32
n5 2.6786257133192E+40

Nth Root

y√n
2√n 11035.479373367
3√n 495.67171331733
4√n 105.04988992553
5√n 41.41107278183

Divisors of 121781805

1, 3, 5, 15, 43, 129, 215, 349, 541, 645, 1047, 1623, 1745, 2705, 5235, 8115, 15007, 23263, 45021, 69789, 75035, 116315, 188809, 225105, 348945, 566427, 944045, 2832135, 8118787, 24356361, 40593935, 121781805

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 -121781804
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 121781805 can be divided by 32 positive divisors. The sum of these divisors (counting 121781805) is 1, the average is 0.03125.

Base conversion 121781805

Base System Value
2 Binary 111010000100011111000101101
3 Ternary 22111011011020020
4 Quaternary 13100203320231
5 Quinary 222134004210
6 Senary 20030112353
8 Octal 720437055
10 Decimal 121781805
12 Duodecimal 3494b6b9
16 Hexadecimal 7423e2d
20 Vigesimal 1i12ea5
36 Base36 20i7fx

Cryptographic Hash Functions

md5 bafb465a6d1fdc391e2fb19495e66b94
sha1 5baa695a767b7311c7c132ff03460d0583cdd83d
sha256 5d7fbc5962010b8b69f62d7cd90c028900e3b822bf6972e5f99dd0894336c3e2
sha512 cc49f9b686d1f1effe48543e4d89e0c78ce58dca8ba0e1cb071abdcc55daf90b873d8f4882c5a064ca0f2feea59ac5881e0f7a191a3832da0358ab2244f434fa
ripemd-160 e9c96fdd18186aa683bbdf39abcf6e0ffff62960

121781805 as geometric shapes

Circle

Radius = n
Diameter 243563610
Circumference 765177647.85781
Area 4.6592357550889E+16

Sphere

Radius = n
Volume 7.5654685356702E+24
Surface area 1.8636943020356E+17
Circumference 765177647.85781

Square

Length = n
Perimeter 487127220
Area 14830808029058025
Diagonal 172225480.28128

Cube

Length = n
Surface area 88984848174348150
Volume 1.8061225713872E+24
Space diagonal 210932273.69745

Equilateral Triangle

Length = n
Perimeter 365345415
Area 6.4219282559072E+15
Altitude 105466136.84872

Triangular Pyramid

Length = n
Surface area 6.4219282559072E+15
Volume 2.1285358631366E+23
Height 57408493.427092