121542021 (number)

121542021 is an odd 9-digits composite number following 121542020 and preceding 121542022. In scientific notation, it is written as 1.21542021 × 10^8. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 80510976 positive integers (up to 121542021) that are relatively prime to 121542021.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million five hundred forty-two thousand twenty-one

Notation

Scientific notation 1.21542021 × 10^8
Engineering notation 1.21542021 × 10^6

Prime Factorization of 121542021

Prime Factorization 3 × 3 × 157 × 86017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40514007
Product of the distinct prime numbers

The prime factorization of 121542021 is 3 × 3 × 157 × 86017. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 81, 82, 370, 804, 7819, 8324, 71236, 46636, 263109, 255441, 4717580, 1169147, 44803043, 60538493, 719370884, 660522293, 415108616, 8292563264

Basic calculations (n = 121542021)

Multiplication

n×y
n×2 243084042
n×3 364626063
n×4 486168084
n×5 607710105

Division

n÷y
n÷2 60771010.5
n÷3 40514007
n÷3 30385505.25
n÷5 24308404.2

Exponentiation

ny
n2 14772462868764441
n3 1.7954749922171E+24
n4 2.1822565920902E+32
n5 2.6523587654322E+40

Nth Root

y√n
2√n 11024.609789013
3√n 495.34617963556
4√n 104.998141836
5√n 41.394752540187

Divisors of 121542021

1, 3, 9, 157, 471, 1413, 86017, 258051, 774153, 13504669, 40514007, 121542021

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121542020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121542021 can be divided by 12 positive divisors. The sum of these divisors (counting 121542021) is 1, the average is 0.083333333333333.

Base conversion 121542021

Base System Value
2 Binary 111001111101001010110000101
3 Ternary 22110200222022100
4 Quaternary 13033221112011
5 Quinary 222103321041
6 Senary 20021022313
8 Octal 717512605
10 Decimal 121542021
12 Duodecimal 34854999
16 Hexadecimal 73e9585
20 Vigesimal 1hjcf11
36 Base36 20d2f9

Cryptographic Hash Functions

md5 0fc211fd7632414bd900b1d670b8737b
sha1 9e93318a8d285af5dff493041e59b231118e9fb6
sha256 d92db79af7cd596e9bd2ba8d2a42bd4cc52d2de47fdc35e8512029563bf33833
sha512 70be0aa70a398eeb211bdf79c4c2114ea8b2d5709214e4b67c54422544bdfa0760478487011acec597c123f1ae0f98c348f0b629d90ae7146e31294a0404898c
ripemd-160 316f64ecdb8e13652ce449864fb6095b89141a73

121542021 as geometric shapes

Circle

Radius = n
Diameter 243084042
Circumference 763671040.55211
Area 4.6409060823938E+16

Sphere

Radius = n
Volume 7.5208680603379E+24
Surface area 1.8563624329575E+17
Circumference 763671040.55211

Square

Length = n
Perimeter 486168084
Area 14772462868764441
Diagonal 171886374.49644

Cube

Length = n
Surface area 88634777212586646
Volume 1.7954749922171E+24
Space diagonal 210516955.6266

Equilateral Triangle

Length = n
Perimeter 364626063
Area 6.3966640604062E+15
Altitude 105258477.8133

Triangular Pyramid

Length = n
Surface area 6.3966640604062E+15
Volume 2.1159875707459E+23
Height 57295458.165479