121520642 (number)

121520642 is an even 9-digits composite number following 121520641 and preceding 121520643. In scientific notation, it is written as 1.21520642 × 10^8. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 60671700 positive integers (up to 121520642) that are relatively prime to 121520642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21520642 × 10^8
Engineering notation 1.21520642 × 10^6

Prime Factorization of 121520642

Prime Factorization 2 × 691 × 87931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 121520642
Product of the distinct prime numbers

The prime factorization of 121520642 is 2 × 691 × 87931. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 38, 8, 509, 882, 9811, 7633, 46136, 24455, 255610, 976104, 3503473, 4160170, 98729593, 8169240, 921401264, 396244854, 1846941122, 3622045284

Basic calculations (n = 121520642)

Multiplication

n×y
n×2 243041284
n×3 364561926
n×4 486082568
n×5 607603210

Division

n÷y
n÷2 60760321
n÷3 40506880.666667
n÷3 30380160.5
n÷5 24304128.4

Exponentiation

ny
n2 14767266432092164
n3 1.7945276974129E+24
n4 2.180721578764E+32
n5 2.6500268627465E+40

Nth Root

y√n
2√n 11023.640142893
3√n 495.3171344629
4√n 104.99352429028
5√n 41.393296186771

Divisors of 121520642

1, 2, 691, 1382, 87931, 175862, 60760321, 121520642

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121520641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121520642 can be divided by 8 positive divisors. The sum of these divisors (counting 121520642) is 1, the average is 0.125.

Base conversion 121520642

Base System Value
2 Binary 111001111100100001000000010
3 Ternary 22110122212222112
4 Quaternary 13033210020002
5 Quinary 222102130032
6 Senary 20020335322
8 Octal 717441002
10 Decimal 121520642
12 Duodecimal 34844542
16 Hexadecimal 73e4202
20 Vigesimal 1hja1c2
36 Base36 20clxe

Cryptographic Hash Functions

md5 103223b73404216fdfdea2936799148e
sha1 195899247742356231eca2d5797a75178e1d93d8
sha256 1a945784345cdd063e446c2e5f44889b3d03688b772b687ced3844537db4dc52
sha512 3cf97752be9ebc3cbe7580c4877aab7109308347d0e45aafa1b2ce4947390549d528882ae1cb2602d54c5dc7bbf4b09bd2761f4dafca26637b270572105167fb
ripemd-160 4dffa75eaac183af8fd03d1f765329847c795b23

121520642 as geometric shapes

Circle

Radius = n
Diameter 243041284
Circumference 763536712.33343
Area 4.6392735736664E+16

Sphere

Radius = n
Volume 7.516900041141E+24
Surface area 1.8557094294666E+17
Circumference 763536712.33343

Square

Length = n
Perimeter 486082568
Area 14767266432092164
Diagonal 171856140.02469

Cube

Length = n
Surface area 88603598592552984
Volume 1.7945276974129E+24
Space diagonal 210479926.11239

Equilateral Triangle

Length = n
Perimeter 364561926
Area 6.3944139373225E+15
Altitude 105239963.05619

Triangular Pyramid

Length = n
Surface area 6.3944139373225E+15
Volume 2.1148711731129E+23
Height 57285380.008229