121998745 (number)

121998745 is an odd 9-digits composite number following 121998744 and preceding 121998746. In scientific notation, it is written as 1.21998745 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 88345600 positive integers (up to 121998745) that are relatively prime to 121998745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.21998745 × 10^8
Engineering notation 1.21998745 × 10^6

Prime Factorization of 121998745

Prime Factorization 5 × 11 × 239 × 9281

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121998745
Product of the distinct prime numbers

The prime factorization of 121998745 is 5 × 11 × 239 × 9281. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 121998745)

Multiplication

n×y
n×2 243997490
n×3 365996235
n×4 487994980
n×5 609993725

Division

n÷y
n÷2 60999372.5
n÷3 40666248.333333
n÷3 30499686.25
n÷5 24399749

Exponentiation

ny
n2 14883693781575025
n3 1.8157919623165E+24
n4 2.215243405837E+32
n5 2.7025691538163E+40

Nth Root

y√n
2√n 11045.304205861
3√n 495.96586572458
4√n 105.09664221972
5√n 41.425816073879

Divisors of 121998745

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 -121998744
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 121998745 can be divided by 16 positive divisors. The sum of these divisors (counting 121998745) is 1, the average is 0.0625.

Base conversion 121998745

Base System Value
2 Binary 111010001011000110110011001
3 Ternary 22111120011211001
4 Quaternary 13101120312121
5 Quinary 222212424440
6 Senary 20034505001
8 Octal 721306631
10 Decimal 121998745
12 Duodecimal 34a35161
16 Hexadecimal 7458d99
20 Vigesimal 1i29gh5
36 Base36 20muu1

Cryptographic Hash Functions

md5 1eb0a065e4f170eb1357c8d9cea0f3dd
sha1 e27121c324a03830f7f78afda2392e99a3621bca
sha256 eb7779376f957ee3b350659a2ed18c7fbea1b5c3313909493fa85099d19a59ed
sha512 fa176924606a4a1e4e9e5de994915ad89a3628aec22793d8bd3ec9e53c6ff0287f45a53283f4777cbf1dff0ff675f82ac51e640ee142c59a8e84d61a40a8f14b
ripemd-160 43764073c315cfea0945469083f37537203fddbf

121998745 as geometric shapes

Circle

Radius = n
Diameter 243997490
Circumference 766540722.07835
Area 4.6758503042476E+16

Sphere

Radius = n
Volume 7.605971585681E+24
Surface area 1.870340121699E+17
Circumference 766540722.07835

Square

Length = n
Perimeter 487994980
Area 14883693781575025
Diagonal 172532279.7715

Cube

Length = n
Surface area 89302162689450150
Volume 1.8157919623165E+24
Space diagonal 211308024.79964

Equilateral Triangle

Length = n
Perimeter 365996235
Area 6.4448284584962E+15
Altitude 105654012.39982

Triangular Pyramid

Length = n
Surface area 6.4448284584962E+15
Volume 2.13993134963E+23
Height 57510759.923832