121661520 (number)

121661520 is an even 9-digits composite number following 121661519 and preceding 121661521. In scientific notation, it is written as 1.21661520 × 10^8. The sum of its digits is 24. It has a total of 8 prime factors and 80 positive divisors. There are 30533632 positive integers (up to 121661520) that are relatively prime to 121661520.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million six hundred sixty-one thousand five hundred twenty

Notation

Scientific notation 1.21661520 × 10^8
Engineering notation 1.21661520 × 10^6

Prime Factorization of 121661520

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 17 × 29819

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 15207690
Product of the distinct prime numbers

The prime factorization of 121661520 is 2 × 2 × 2 × 2 × 3 × 5 × 17 × 29819. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 7, 44, 10, 205, 143, 8869, 6300, 12685, 30641, 974973, 967727, 2133449, 863596, 19946148, 24142873, 539103899, 928800677, 9550069996, 6467886993

Basic calculations (n = 121661520)

Multiplication

n×y
n×2 243323040
n×3 364984560
n×4 486646080
n×5 608307600

Division

n÷y
n÷2 60830760
n÷3 40553840
n÷3 30415380
n÷5 24332304

Exponentiation

ny
n2 14801525448710400
n3 1.8007760844088E+24
n4 2.1908515560882E+32
n5 2.6654233040806E+40

Nth Root

y√n
2√n 11030.028105132
3√n 495.5084664007
4√n 105.02394062847
5√n 41.402889129075

Divisors of 121661520

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 29819, 59638, 89457, 119276, 149095, 178914, 238552, 298190, 357828, 447285, 477104, 506923, 596380, 715656, 894570, 1013846, 1192760, 1431312, 1520769, 1789140, 2027692, 2385520, 2534615, 3041538, 3578280, 4055384, 5069230, 6083076, 7156560, 7603845, 8110768, 10138460, 12166152, 15207690, 20276920, 24332304, 30415380, 40553840, 60830760, 121661520

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 -121661519
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 121661520 can be divided by 80 positive divisors. The sum of these divisors (counting 121661520) is 1, the average is 0.0125.

Base conversion 121661520

Base System Value
2 Binary 111010000000110100001010000
3 Ternary 22110221001020020
4 Quaternary 13100012201100
5 Quinary 222121132040
6 Senary 20023343440
8 Octal 720064120
10 Decimal 121661520
12 Duodecimal 348b1b80
16 Hexadecimal 7406850
20 Vigesimal 1i07dg0
36 Base36 20fmmo

Cryptographic Hash Functions

md5 e87baa957d8c9d669a65b309eef20fc0
sha1 a361b35813fb1f1b1101597db4dcf2be4b04e7b0
sha256 5dceba164385772504a58c31987caa24ab65ce5f17016bf243434be52cb949fd
sha512 c7fafb8fdfc4f5e6d2be9ba959de72fa6c0af686e04bbe8a9af7d0b46f158fff63a36da34782cff79356aa35438a01cdb81117f0f471800fa5abe34fc95b2d0d
ripemd-160 f0b8d73d41b60b0c9f49b5d367e5e3561e25ead0

121661520 as geometric shapes

Circle

Radius = n
Diameter 243323040
Circumference 764421874.91314
Area 4.6500363611591E+16

Sphere

Radius = n
Volume 7.5430732233851E+24
Surface area 1.8600145444636E+17
Circumference 764421874.91314

Square

Length = n
Perimeter 486646080
Area 14801525448710400
Diagonal 172055371.60293

Cube

Length = n
Surface area 88809152692262400
Volume 1.8007760844088E+24
Space diagonal 210723933.96606

Equilateral Triangle

Length = n
Perimeter 364984560
Area 6.4092485266725E+15
Altitude 105361966.98303

Triangular Pyramid

Length = n
Surface area 6.4092485266725E+15
Volume 2.1222349678067E+23
Height 57351790.534309