1990398081 (number)

1990398081 is an odd 10-digits composite number following 1990398080 and preceding 1990398082. In scientific notation, it is written as 1.990398081 × 10^9. The sum of its digits is 48. It has a total of 6 prime factors and 48 positive divisors. There are 1084960800 positive integers (up to 1990398081) that are relatively prime to 1990398081.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety million three hundred ninety-eight thousand eighty-one

Notation

Scientific notation 1.990398081 × 10^9
Engineering notation 1.990398081 × 10^9

Prime Factorization of 1990398081

Prime Factorization 3 × 7 × 7 × 23 × 1031 × 571

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 284342583
Product of the distinct prime numbers

The prime factorization of 1990398081 is 3 × 7 × 7 × 23 × 1031 × 571. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1990398081)

Multiplication

n×y
n×2 3980796162
n×3 5971194243
n×4 7961592324
n×5 9951990405

Division

n÷y
n÷2 995199040.5
n÷3 663466027
n÷3 497599520.25
n÷5 398079616.2

Exponentiation

ny
n2 3961684520848482561
n3 7.8853292678242E+27
n4 1.569494424273E+37
n5 3.1239186902133E+46

Nth Root

y√n
2√n 44613.87767276
3√n 1257.9015379289
4√n 211.21997460648
5√n 72.408239580461

Divisors of 1990398081

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1990398080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1990398081 can be divided by 48 positive divisors. The sum of these divisors (counting 1990398081) is 1, the average is 0.020833333333333.

Base conversion 1990398081

Base System Value
2 Binary 1110110101000110001000010000001
3 Ternary 12010201021200212110
4 Quaternary 1312220301002001
5 Quinary 13034020214311
6 Senary 525301045533
8 Octal 16650610201
10 Decimal 1990398081
12 Duodecimal 4766b68a9
16 Hexadecimal 76a31081
20 Vigesimal 1b1jjf41
36 Base36 wx14zl

Cryptographic Hash Functions

md5 bf8a22e68ea78f89d6679375d0beb83b
sha1 997bc9198b1f72f56afcdec0cbe301a6790eb75d
sha256 7a73b97427e39f0a202d9203ed656b0b6605cc2ff361c3c754685631e2cbcb42
sha512 2ef9212cdab749c08985c73e8022c117fc4ed5f3a5bcea77d052db4e66139d261dd49c614a6e462afaac9c42c67f457007e5ef3eba966d4656f82df761b043a8
ripemd-160 ade865c7f394837089f2071a9649ff6af012ac78

1990398081 as geometric shapes

Circle

Radius = n
Diameter 3980796162
Circumference 12506039977.978
Area 1.2445998986538E+19

Sphere

Radius = n
Volume 3.3029989998578E+28
Surface area 4.9783995946152E+19
Circumference 12506039977.978

Square

Length = n
Perimeter 7961592324
Area 3961684520848482561
Diagonal 2814847960.6716

Cube

Length = n
Surface area 2.3770107125091E+19
Volume 7.8853292678242E+27
Space diagonal 3447470603.5796

Equilateral Triangle

Length = n
Perimeter 5971194243
Area 1.7154597184172E+18
Altitude 1723735301.7898

Triangular Pyramid

Length = n
Surface area 1.7154597184172E+18
Volume 9.2929496619454E+26
Height 938282653.55719