198490905 (number)

198490905 is an odd 9-digits composite number following 198490904 and preceding 198490906. In scientific notation, it is written as 1.98490905 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 105861168 positive integers (up to 198490905) that are relatively prime to 198490905.

Interesting facts

Basic properties

Name

Name one hundred ninety-eight million four hundred ninety thousand nine hundred five

Notation

Scientific notation 1.98490905 × 10^8
Engineering notation 1.98490905 × 10^6

Prime Factorization of 198490905

Prime Factorization 3 × 27 × 15 × 163367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 198490905
Product of the distinct prime numbers

The prime factorization of 198490905 is 3 × 27 × 15 × 163367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 48, 40, 131, 340, 4590, 3255, 82665, 18222, 821151, 481889, 7220131, 1457474, 13164897, 23589235, 848496918, 421876356, 7917544412, 8626013726

Basic calculations (n = 198490905)

Multiplication

n×y
n×2 396981810
n×3 595472715
n×4 793963620
n×5 992454525

Division

n÷y
n÷2 99245452.5
n÷3 66163635
n÷3 49622726.25
n÷5 39698181

Exponentiation

ny
n2 39398639367719025
n3 7.8202715838672E+24
n4 1.5522527840276E+33
n5 3.081080598904E+41

Nth Root

y√n
2√n 14088.680030436
3√n 583.32895906017
4√n 118.69574562905
5√n 45.661284277647

Divisors of 198490905

1, 3, 15, 27, 45, 81, 405, 1215, 163367, 490101, 2450505, 4410909, 7351515, 13232727, 66163635, 198490905

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 -198490904
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 198490905 can be divided by 16 positive divisors. The sum of these divisors (counting 198490905) is 1, the average is 0.0625.

Base conversion 198490905

Base System Value
2 Binary 1011110101001011101100011001
3 Ternary 111211111101100000
4 Quaternary 23311023230121
5 Quinary 401303202110
6 Senary 31410203213
8 Octal 1365135431
10 Decimal 198490905
12 Duodecimal 56583509
16 Hexadecimal bd4bb19
20 Vigesimal 320b755
36 Base36 3a6ck9

Cryptographic Hash Functions

md5 e7d9ff4a2222cf08697edd8117720d00
sha1 fcf621d82aa2c132af9433384d3dcfce28c96c08
sha256 3ff01b75da8859402e5d0c376a7a045f976ca6a82b42cf0f99400cd012bd1ce4
sha512 0a4c2d1385dad7320494e24a5a8c9c24551eac4eaa5a2a67df53828fabec1f94b030c488f37f1d8679758dbf48c75181d45eb559cdbdcddbfe0d29b9ad382f1d
ripemd-160 dcbaa62a27f4222bc66a3f2fd885d0dc321b06cd

198490905 as geometric shapes

Circle

Radius = n
Diameter 396981810
Circumference 1247155137.9048
Area 1.2377447599906E+17

Sphere

Radius = n
Volume 3.2757477009272E+25
Surface area 4.9509790399624E+17
Circumference 1247155137.9048

Square

Length = n
Perimeter 793963620
Area 39398639367719025
Diagonal 280708529.85871

Cube

Length = n
Surface area 236391836206314150
Volume 7.8202715838672E+24
Space diagonal 343796332.30033

Equilateral Triangle

Length = n
Perimeter 595472715
Area 1.7060111283493E+16
Altitude 171898166.15016

Triangular Pyramid

Length = n
Surface area 1.7060111283493E+16
Volume 9.2162784461216E+23
Height 93569509.952903