121669905 (number)

121669905 is an odd 9-digits composite number following 121669904 and preceding 121669906. In scientific notation, it is written as 1.21669905 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 55620480 positive integers (up to 121669905) that are relatively prime to 121669905.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million six hundred sixty-nine thousand nine hundred five

Notation

Scientific notation 1.21669905 × 10^8
Engineering notation 1.21669905 × 10^6

Prime Factorization of 121669905

Prime Factorization 3 × 7 × 5 × 1158761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121669905
Product of the distinct prime numbers

The prime factorization of 121669905 is 3 × 7 × 5 × 1158761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121669905)

Multiplication

n×y
n×2 243339810
n×3 365009715
n×4 486679620
n×5 608349525

Division

n÷y
n÷2 60834952.5
n÷3 40556635
n÷3 30417476.25
n÷5 24333981

Exponentiation

ny
n2 14803565782709025
n3 1.8011484424435E+24
n4 2.1914555988299E+32
n5 2.6663419452136E+40

Nth Root

y√n
2√n 11030.408197342
3√n 495.51984973988
4√n 105.0257501632
5√n 41.403459816759

Divisors of 121669905

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 -121669904
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 121669905 can be divided by 16 positive divisors. The sum of these divisors (counting 121669905) is 1, the average is 0.0625.

Base conversion 121669905

Base System Value
2 Binary 111010000001000100100010001
3 Ternary 22110221110201210
4 Quaternary 13100020210101
5 Quinary 222121414110
6 Senary 20023450333
8 Octal 720104421
10 Decimal 121669905
12 Duodecimal 348b69a9
16 Hexadecimal 7408911
20 Vigesimal 1i08ef5
36 Base36 20ft3l

Cryptographic Hash Functions

md5 e1c72151509d5342cf61900ef8da286d
sha1 2714c1c9aa8ecd9219a3fed61185c5d4b03b1cbb
sha256 b8ed85983d6137a2a9081bcafc0a47bba8e77462656371c77716462527f57ddf
sha512 0162456e8477eace845528d777c3ac6309499be8dcc8be6b8a6442bffd7f9fdee2af484b39f647d0128c27de3bf4a0f89a0c5820064d20946721dbbdb4635bf2
ripemd-160 c9a88580d64fd29c5ef94bab8fdc4dc62f8e3370

121669905 as geometric shapes

Circle

Radius = n
Diameter 243339810
Circumference 764474559.42194
Area 4.6506773509892E+16

Sphere

Radius = n
Volume 7.5446329530734E+24
Surface area 1.8602709403957E+17
Circumference 764474559.42194

Square

Length = n
Perimeter 486679620
Area 14803565782709025
Diagonal 172067229.78365

Cube

Length = n
Surface area 88821394696254150
Volume 1.8011484424435E+24
Space diagonal 210738457.21208

Equilateral Triangle

Length = n
Perimeter 365009715
Area 6.41013201721E+15
Altitude 105369228.60604

Triangular Pyramid

Length = n
Surface area 6.41013201721E+15
Volume 2.1226737959589E+23
Height 57355743.261215