121661878 (number)

121661878 is an even 9-digits composite number following 121661877 and preceding 121661879. In scientific notation, it is written as 1.21661878 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 54845280 positive integers (up to 121661878) that are relatively prime to 121661878.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million six hundred sixty-one thousand eight hundred seventy-eight

Notation

Scientific notation 1.21661878 × 10^8
Engineering notation 1.21661878 × 10^6

Prime Factorization of 121661878

Prime Factorization 2 × 43 × 13 × 108821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121661878
Product of the distinct prime numbers

The prime factorization of 121661878 is 2 × 43 × 13 × 108821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 74, 80, 438, 197, 376, 2544, 16002, 95693, 269732, 82611, 6640721, 2002032, 8664241, 6347512, 404662119, 543191254, 7368909807, 1486938708

Basic calculations (n = 121661878)

Multiplication

n×y
n×2 243323756
n×3 364985634
n×4 486647512
n×5 608309390

Division

n÷y
n÷2 60830939
n÷3 40553959.333333
n÷3 30415469.5
n÷5 24332375.6

Exponentiation

ny
n2 14801612558486884
n3 1.8007919812939E+24
n4 2.1908773433156E+32
n5 2.6654625205542E+40

Nth Root

y√n
2√n 11030.044333546
3√n 495.50895242634
4√n 105.02401788899
5√n 41.402913495394

Divisors of 121661878

1, 2, 13, 26, 43, 86, 559, 1118, 108821, 217642, 1414673, 2829346, 4679303, 9358606, 60830939, 121661878

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 -121661877
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 121661878 can be divided by 16 positive divisors. The sum of these divisors (counting 121661878) is 1, the average is 0.0625.

Base conversion 121661878

Base System Value
2 Binary 111010000000110100110110110
3 Ternary 22110221001201111
4 Quaternary 13100012212312
5 Quinary 222121140003
6 Senary 20023345234
8 Octal 720064666
10 Decimal 121661878
12 Duodecimal 348b221a
16 Hexadecimal 74069b6
20 Vigesimal 1i07edi
36 Base36 20fmwm

Cryptographic Hash Functions

md5 377febfe19262415241272afd7d4c98a
sha1 b01864a8b9cd6097471b1387c584277cf5a4bebc
sha256 5cd25003921f199f5840750aa1c6c146350b9608e5c994692e340717ba50acd4
sha512 fdb4149ecc279534dcae629e9b30e35b3dd9f06c131bedb10fae2954912d3de3258698b0ffd2565cf468d798d0c4db1ac96440ddaf4318af56645486fb4bb8ac
ripemd-160 4e46c5480fcd9abb5b5602cf904349b63ddbc582

121661878 as geometric shapes

Circle

Radius = n
Diameter 243323756
Circumference 764424124.29348
Area 4.6500637275025E+16

Sphere

Radius = n
Volume 7.5431398121018E+24
Surface area 1.860025491001E+17
Circumference 764424124.29348

Square

Length = n
Perimeter 486647512
Area 14801612558486884
Diagonal 172055877.89138

Cube

Length = n
Surface area 88809675350921304
Volume 1.8007919812939E+24
Space diagonal 210724554.04025

Equilateral Triangle

Length = n
Perimeter 364985634
Area 6.4092862463122E+15
Altitude 105362277.02012

Triangular Pyramid

Length = n
Surface area 6.4092862463122E+15
Volume 2.1222537024655E+23
Height 57351959.297127