121998749 (number)

121998749 is an odd 9-digits composite number following 121998748 and preceding 121998750. In scientific notation, it is written as 1.21998749 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors. There are 114822080 positive integers (up to 121998749) that are relatively prime to 121998749.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred ninety-eight thousand seven hundred forty-nine

Notation

Scientific notation 1.21998749 × 10^8
Engineering notation 1.21998749 × 10^6

Prime Factorization of 121998749

Prime Factorization 17 × 17 × 422141

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7176397
Product of the distinct prime numbers

The prime factorization of 121998749 is 17 × 17 × 422141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 4, 58, 82, 188, 270, 5596, 6537, 20691, 94474, 666180, 881896, 2289774, 5070957, 26040603, 7307102, 579812034, 318908372, 3059398053, 4698548041

Basic calculations (n = 121998749)

Multiplication

n×y
n×2 243997498
n×3 365996247
n×4 487994996
n×5 609993745

Division

n÷y
n÷2 60999374.5
n÷3 40666249.666667
n÷3 30499687.25
n÷5 24399749.8

Exponentiation

ny
n2 14883694757565001
n3 1.8157921409208E+24
n4 2.2152436963637E+32
n5 2.702569596865E+40

Nth Root

y√n
2√n 11045.304386933
3√n 495.96587114503
4√n 105.09664308118
5√n 41.425816345527

Divisors of 121998749

1, 17, 289, 422141, 7176397, 121998749

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -121998748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 121998749 can be divided by 6 positive divisors. The sum of these divisors (counting 121998749) is 1, the average is 0.16666666666667.

Base conversion 121998749

Base System Value
2 Binary 111010001011000110110011101
3 Ternary 22111120011211012
4 Quaternary 13101120312131
5 Quinary 222212424444
6 Senary 20034505005
8 Octal 721306635
10 Decimal 121998749
12 Duodecimal 34a35165
16 Hexadecimal 7458d9d
20 Vigesimal 1i29gh9
36 Base36 20muu5

Cryptographic Hash Functions

md5 447235097a9096c71d2928f453ff06a4
sha1 d797806db06ef8df7137cc4d8992127b326012ae
sha256 1221378776f8b019932e6b18bf51b0d469f1176a65c108bcd826d26a2f185eb9
sha512 a0cc20c4d2e2280130d034e1b5d83338af335bf14751498ace151675eeadd38ba7b4a9d69fb58caacd7901bcb3fc790f9d4a138bbb61f2f029567974775f4295
ripemd-160 a628b24d225981eb266dcab28874c602463703e4

121998749 as geometric shapes

Circle

Radius = n
Diameter 243997498
Circumference 766540747.21109
Area 4.6758506108639E+16

Sphere

Radius = n
Volume 7.6059723338171E+24
Surface area 1.8703402443456E+17
Circumference 766540747.21109

Square

Length = n
Perimeter 487994996
Area 14883694757565001
Diagonal 172532285.42835

Cube

Length = n
Surface area 89302168545390006
Volume 1.8157921409208E+24
Space diagonal 211308031.72784

Equilateral Triangle

Length = n
Perimeter 365996247
Area 6.4448288811123E+15
Altitude 105654015.86392

Triangular Pyramid

Length = n
Surface area 6.4448288811123E+15
Volume 2.1399315601172E+23
Height 57510761.80945