1997136721 (number)

1997136721 is an odd 10-digits composite number following 1997136720 and preceding 1997136722. In scientific notation, it is written as 1.997136721 × 10^9. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 1879491600 positive integers (up to 1997136721) that are relatively prime to 1997136721.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-seven million one hundred thirty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.997136721 × 10^9
Engineering notation 1.997136721 × 10^9

Prime Factorization of 1997136721

Prime Factorization 19 × 151 × 696109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1997136721
Product of the distinct prime numbers

The prime factorization of 1997136721 is 19 × 151 × 696109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1997136721)

Multiplication

n×y
n×2 3994273442
n×3 5991410163
n×4 7988546884
n×5 9985683605

Division

n÷y
n÷2 998568360.5
n÷3 665712240.33333
n÷3 499284180.25
n÷5 399427344.2

Exponentiation

ny
n2 3988555082366631841
n3 7.9656898187256E+27
n4 1.5908571645073E+37
n5 3.1771592611034E+46

Nth Root

y√n
2√n 44689.335651808
3√n 1259.3195118276
4√n 211.39852329619
5√n 72.457202009626

Divisors of 1997136721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1997136720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1997136721 can be divided by 8 positive divisors. The sum of these divisors (counting 1997136721) is 1, the average is 0.125.

Base conversion 1997136721

Base System Value
2 Binary 1110111000010011110001101010001
3 Ternary 12011011222001112201
4 Quaternary 1313002132031101
5 Quinary 13042231333341
6 Senary 530101323201
8 Octal 16702361521
10 Decimal 1997136721
12 Duodecimal 478a06501
16 Hexadecimal 7709e351
20 Vigesimal 1b4221g1
36 Base36 x11kk1

Cryptographic Hash Functions

md5 710c89d910bc942fde103fe24631884e
sha1 330334dc508606680d79b5dac38299c74d4550ad
sha256 275822f6b4ed92fbf8c098a0a26ec6bcaaf2af1c28dde2cc6905b704a725a827
sha512 6dc0db7a0d0a36dd9e784c41bc55c024e41cce14193ddb4c5aec2f4611849c3446353b228f2a64cf43206160f61542acf82b00e47e890fe353fa63b1894039b8
ripemd-160 2815d4adf0d9c856dcf518a6cb3668a111f087ac

1997136721 as geometric shapes

Circle

Radius = n
Diameter 3994273442
Circumference 12548380101.816
Area 1.2530415345201E+19

Sphere

Radius = n
Volume 3.3366603487044E+28
Surface area 5.0121661380805E+19
Circumference 12548380101.816

Square

Length = n
Perimeter 7988546884
Area 3988555082366631841
Diagonal 2824377836.7515

Cube

Length = n
Surface area 2.39313304942E+19
Volume 7.9656898187256E+27
Space diagonal 3459142270.4335

Equilateral Triangle

Length = n
Perimeter 5991410163
Area 1.7270950128615E+18
Altitude 1729571135.2168

Triangular Pyramid

Length = n
Surface area 1.7270950128615E+18
Volume 9.3876554794158E+26
Height 941459278.91718