121387938 (number)

121387938 is an even 9-digits composite number following 121387937 and preceding 121387939. In scientific notation, it is written as 1.21387938 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 34682256 positive integers (up to 121387938) that are relatively prime to 121387938.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million three hundred eighty-seven thousand nine hundred thirty-eight

Notation

Scientific notation 1.21387938 × 10^8
Engineering notation 1.21387938 × 10^6

Prime Factorization of 121387938

Prime Factorization 2 × 3 × 7 × 2890189

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121387938
Product of the distinct prime numbers

The prime factorization of 121387938 is 2 × 3 × 7 × 2890189. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 33, 71, 549, 783, 9061, 5477, 44868, 94771, 142525, 156004, 5072323, 4320298, 34912645, 17542853, 376012372, 560474594, 2375757162, 9296501586

Basic calculations (n = 121387938)

Multiplication

n×y
n×2 242775876
n×3 364163814
n×4 485551752
n×5 606939690

Division

n÷y
n÷2 60693969
n÷3 40462646
n÷3 30346984.5
n÷5 24277587.6

Exponentiation

ny
n2 14735031491891844
n3 1.7886550891658E+24
n4 2.1712115306704E+32
n5 2.6355889066991E+40

Nth Root

y√n
2√n 11017.619434342
3√n 495.13676865562
4√n 104.96484856533
5√n 41.384251703645

Divisors of 121387938

1, 2, 3, 6, 7, 14, 21, 42, 2890189, 5780378, 8670567, 17341134, 20231323, 40462646, 60693969, 121387938

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 -121387937
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 121387938 can be divided by 16 positive divisors. The sum of these divisors (counting 121387938) is 1, the average is 0.0625.

Base conversion 121387938

Base System Value
2 Binary 111001111000011101110100010
3 Ternary 22110102010221120
4 Quaternary 13033003232202
5 Quinary 222033403223
6 Senary 20013433110
8 Octal 717035642
10 Decimal 121387938
12 Duodecimal 3479b796
16 Hexadecimal 73c3ba2
20 Vigesimal 1hid9gi
36 Base36 209rj6

Cryptographic Hash Functions

md5 f0575d1a11dde1a3a46b375ea621e3c9
sha1 9b06d3c09667da9413c30152344b71bb80781683
sha256 757eb79ad1d343facd3c6f2106aedc473cb00384a1d3e72535d105ebdee18bca
sha512 b7f6f4e219edfacf429734cb374d63aaf58f3201ae8fbc5574318f851e6b93a1d8e3ea726e0d12b3d18e325783f1e23f5e4e5a28a800a52bd56124022a99af61
ripemd-160 88e7d944e25d9a68a488cc62f7a22a061b840ed5

121387938 as geometric shapes

Circle

Radius = n
Diameter 242775876
Circumference 762702908.51043
Area 4.6291466685342E+16

Sphere

Radius = n
Volume 7.4923009172391E+24
Surface area 1.8516586674137E+17
Circumference 762702908.51043

Square

Length = n
Perimeter 485551752
Area 14735031491891844
Diagonal 171668468.2281

Cube

Length = n
Surface area 88410188951351064
Volume 1.7886550891658E+24
Space diagonal 210250076.04202

Equilateral Triangle

Length = n
Perimeter 364163814
Area 6.380455798771E+15
Altitude 105125038.02101

Triangular Pyramid

Length = n
Surface area 6.380455798771E+15
Volume 2.1079502379216E+23
Height 57222822.742701