121998642 (number)

121998642 is an even 9-digits composite number following 121998641 and preceding 121998643. In scientific notation, it is written as 1.21998642 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 40306112 positive integers (up to 121998642) that are relatively prime to 121998642.

Interesting facts

Basic properties

Name

Name one hundred twenty-one million nine hundred ninety-eight thousand six hundred forty-two

Notation

Scientific notation 1.21998642 × 10^8
Engineering notation 1.21998642 × 10^6

Prime Factorization of 121998642

Prime Factorization 2 × 3 × 113 × 179939

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 121998642
Product of the distinct prime numbers

The prime factorization of 121998642 is 2 × 3 × 113 × 179939. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 59, 64, 597, 763, 5693, 3850, 32493, 14623, 408118, 349591, 5657425, 1488199, 41523257, 22305701, 388698654, 33324725, 7594577908, 1071216380

Basic calculations (n = 121998642)

Multiplication

n×y
n×2 243997284
n×3 365995926
n×4 487994568
n×5 609993210

Division

n÷y
n÷2 60999321
n÷3 40666214
n÷3 30499660.5
n÷5 24399728.4

Exponentiation

ny
n2 14883668649844164
n3 1.815787363259E+24
n4 2.2152359247835E+32
n5 2.7025577453321E+40

Nth Root

y√n
2√n 11045.299543245
3√n 495.96572614802
4√n 105.0966200372
5√n 41.425809078954

Divisors of 121998642

1, 2, 3, 6, 113, 226, 339, 678, 179939, 359878, 539817, 1079634, 20333107, 40666214, 60999321, 121998642

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 -121998641
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 121998642 can be divided by 16 positive divisors. The sum of these divisors (counting 121998642) is 1, the average is 0.0625.

Base conversion 121998642

Base System Value
2 Binary 111010001011000110100110010
3 Ternary 22111120011200020
4 Quaternary 13101120310302
5 Quinary 222212424032
6 Senary 20034504310
8 Octal 721306462
10 Decimal 121998642
12 Duodecimal 34a35096
16 Hexadecimal 7458d32
20 Vigesimal 1i29gc2
36 Base36 20mur6

Cryptographic Hash Functions

md5 ec544f3d3c4d2eddc3511f744092008f
sha1 8ea65264c2dbc771c5bbd5aaf111a2534840bf5e
sha256 3e6aaf2d2557b2f0c73747d83cff9b378f3e08cc59594ce0c22f2658e135a731
sha512 58b7ca6f1a72c37ed5cac5782ffe25b7f3789464a1b053ac75a4153163930bdc18438c7798e522a96b926022a51dd3ff754d2d7c15b88085dac8203f8c89b6c5
ripemd-160 b37751e984f786ac11da02293f3ccbb853e34e2b

121998642 as geometric shapes

Circle

Radius = n
Diameter 243997284
Circumference 766540074.91026
Area 4.6758424088815E+16

Sphere

Radius = n
Volume 7.605952321194E+24
Surface area 1.8703369635526E+17
Circumference 766540074.91026

Square

Length = n
Perimeter 487994568
Area 14883668649844164
Diagonal 172532134.1075

Cube

Length = n
Surface area 89302011899064984
Volume 1.815787363259E+24
Space diagonal 211307846.39841

Equilateral Triangle

Length = n
Perimeter 365995926
Area 6.4448175761375E+15
Altitude 105653923.1992

Triangular Pyramid

Length = n
Surface area 6.4448175761375E+15
Volume 2.1399259295888E+23
Height 57510711.369167