121445840 (number)

121445840 is an even 9-digits composite number following 121445839 and preceding 121445841. In scientific notation, it is written as 1.21445840 × 10^8. The sum of its digits is 29. It has a total of 8 prime factors and 80 positive divisors. There are 46632960 positive integers (up to 121445840) that are relatively prime to 121445840.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million four hundred forty-five thousand eight hundred forty

Notation

Scientific notation 1.21445840 × 10^8
Engineering notation 1.21445840 × 10^6

Prime Factorization of 121445840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 89 × 37 × 461

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 15180730
Product of the distinct prime numbers

The prime factorization of 121445840 is 2 × 2 × 2 × 2 × 5 × 89 × 37 × 461. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 2, 86, 65, 361, 736, 3147, 9599, 79405, 77359, 689193, 619889, 2632376, 1125014, 22479484, 69099467, 769301833, 944866998, 1505609612, 5664641143

Basic calculations (n = 121445840)

Multiplication

n×y
n×2 242891680
n×3 364337520
n×4 485783360
n×5 607229200

Division

n÷y
n÷2 60722920
n÷3 40481946.666667
n÷3 30361460
n÷5 24289168

Exponentiation

ny
n2 14749092053305600
n3 1.791215873651E+24
n4 2.1753571639688E+32
n5 2.6418807807821E+40

Nth Root

y√n
2√n 11020.246821192
3√n 495.21548282449
4√n 104.97736337512
5√n 41.38819900502

Divisors of 121445840

1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 461, 592, 712, 740, 890, 922, 1424, 1480, 1780, 1844, 2305, 2960, 3293, 3560, 3688, 4610, 6586, 7120, 7376, 9220, 13172, 16465, 17057, 18440, 26344, 32930, 34114, 36880, 41029, 52688, 65860, 68228, 82058, 85285, 131720, 136456, 164116, 170570, 205145, 263440, 272912, 328232, 341140, 410290, 656464, 682280, 820580, 1364560, 1518073, 1641160, 3036146, 3282320, 6072292, 7590365, 12144584, 15180730, 24289168, 30361460, 60722920, 121445840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121445839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121445840 can be divided by 80 positive divisors. The sum of these divisors (counting 121445840) is 1, the average is 0.0125.

Base conversion 121445840

Base System Value
2 Binary 111001111010001110111010000
3 Ternary 22110112002101002
4 Quaternary 13033101313100
5 Quinary 222042231330
6 Senary 20015001132
8 Octal 717216720
10 Decimal 121445840
12 Duodecimal 348091a8
16 Hexadecimal 73d1dd0
20 Vigesimal 1hj0ec0
36 Base36 20b07k

Cryptographic Hash Functions

md5 921809b04d19265a2965e706a8ce917f
sha1 db751c426818be311d6c2b0d98f8ffbe3ddd7a49
sha256 59ace30afed27e27e4a92cfaf55a783e0bc791f0047f115a88679a305d01c411
sha512 57b1db9e97e30c3be6df5b627dd60a57e69e7023dc781a68413d2d243fe8cf24db882345e1bd1843237ffd261dbcf2660ea1a165089a4943f80f787740a7dca4
ripemd-160 af050af89ff1905e8b2fc2142e8b5c641aca4cab

121445840 as geometric shapes

Circle

Radius = n
Diameter 242891680
Circumference 763066717.50608
Area 4.6335639241784E+16

Sphere

Radius = n
Volume 7.5030275062073E+24
Surface area 1.8534255696714E+17
Circumference 763066717.50608

Square

Length = n
Perimeter 485783360
Area 14749092053305600
Diagonal 171750354.02179

Cube

Length = n
Surface area 88494552319833600
Volume 1.791215873651E+24
Space diagonal 210350365.24788

Equilateral Triangle

Length = n
Perimeter 364337520
Area 6.3865442004589E+15
Altitude 105175182.62394

Triangular Pyramid

Length = n
Surface area 6.3865442004589E+15
Volume 2.1109681513794E+23
Height 57250118.007264