121649561 (number)

121649561 is an odd 9-digits composite number following 121649560 and preceding 121649562. In scientific notation, it is written as 1.21649561 × 10^8. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 108430080 positive integers (up to 121649561) that are relatively prime to 121649561.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21649561 × 10^8
Engineering notation 1.21649561 × 10^6

Prime Factorization of 121649561

Prime Factorization 11 × 89 × 137 × 907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121649561
Product of the distinct prime numbers

The prime factorization of 121649561 is 11 × 89 × 137 × 907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121649561)

Multiplication

n×y
n×2 243299122
n×3 364948683
n×4 486598244
n×5 608247805

Division

n÷y
n÷2 60824780.5
n÷3 40549853.666667
n÷3 30412390.25
n÷5 24329912.2

Exponentiation

ny
n2 14798615691492721
n3 1.8002451022778E+24
n4 2.1899902638449E+32
n5 2.6641135419101E+40

Nth Root

y√n
2√n 11029.48598077
3√n 495.49223015245
4√n 105.02135964065
5√n 41.402075138554

Divisors of 121649561

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 -121649560
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 121649561 can be divided by 16 positive divisors. The sum of these divisors (counting 121649561) is 1, the average is 0.0625.

Base conversion 121649561

Base System Value
2 Binary 111010000000011100110011001
3 Ternary 22110220102211022
4 Quaternary 13100003212121
5 Quinary 222120241221
6 Senary 20023212225
8 Octal 720034631
10 Decimal 121649561
12 Duodecimal 348a7075
16 Hexadecimal 7403999
20 Vigesimal 1i063i1
36 Base36 20fdeh

Cryptographic Hash Functions

md5 4e2000000c468612daf127026e990404
sha1 389c6930157c8d19b6b99793a3336fca6147905b
sha256 8364ead43a3c358e9354dc566dc86b9e741e318e1df857e84845b3cb5d977047
sha512 22c0263b5e7b762f5221c025b9083554116be48de6721393fce01c5f0e52b59489ef6de854cbb290e48a0d95c750fb4db2f5475bdcfd7b7c2d0a913015364927
ripemd-160 7c20f7357e65e99538f2f5aab68fcb3f5d8b11a5

121649561 as geometric shapes

Circle

Radius = n
Diameter 243299122
Circumference 764346734.30005
Area 4.6491222339692E+16

Sphere

Radius = n
Volume 7.5408490506359E+24
Surface area 1.8596488935877E+17
Circumference 764346734.30005

Square

Length = n
Perimeter 486598244
Area 14798615691492721
Diagonal 172038459.02293

Cube

Length = n
Surface area 88791694148956326
Volume 1.8002451022778E+24
Space diagonal 210703220.37045

Equilateral Triangle

Length = n
Perimeter 364948683
Area 6.4079885648379E+15
Altitude 105351610.18522

Triangular Pyramid

Length = n
Surface area 6.4079885648379E+15
Volume 2.1216091993642E+23
Height 57346153.007644