1391661561 (number)

1391661561 is an odd 10-digits composite number following 1391661560 and preceding 1391661562. In scientific notation, it is written as 1.391661561 × 10^9. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 915064992 positive integers (up to 1391661561) that are relatively prime to 1391661561.

Interesting facts

Basic properties

Name

Name one billion three hundred ninety-one million six hundred sixty-one thousand five hundred sixty-one

Notation

Scientific notation 1.391661561 × 10^9
Engineering notation 1.391661561 × 10^9

Prime Factorization of 1391661561

Prime Factorization 3 × 73 × 6354619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1391661561
Product of the distinct prime numbers

The prime factorization of 1391661561 is 3 × 73 × 6354619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 42, 28, 366, 792, 1636, 6846, 13276, 90624, 206376, 805687, 7028831, 8714011, 68565646, 71466173, 343530218, 243794460, 2950823369, 9866200809

Basic calculations (n = 1391661561)

Multiplication

n×y
n×2 2783323122
n×3 4174984683
n×4 5566646244
n×5 6958307805

Division

n÷y
n÷2 695830780.5
n÷3 463887187
n÷3 347915390.25
n÷5 278332312.2

Exponentiation

ny
n2 1936721900364956721
n3 2.6952614230848E+27
n4 3.7508917193532E+36
n5 5.2199718252971E+45

Nth Root

y√n
2√n 37304.98037796
3√n 1116.4635371908
4√n 193.1449724377
5√n 67.407268110135

Divisors of 1391661561

1, 3, 73, 219, 6354619, 19063857, 463887187, 1391661561

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 -1391661560
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 1391661561 can be divided by 8 positive divisors. The sum of these divisors (counting 1391661561) is 1, the average is 0.125.

Base conversion 1391661561

Base System Value
2 Binary 1010010111100110001000111111001
3 Ternary 10120222122201202210
4 Quaternary 1102330301013321
5 Quinary 10322231132221
6 Senary 350032045333
8 Octal 12274610771
10 Decimal 1391661561
12 Duodecimal 32a093849
16 Hexadecimal 52f311f9
20 Vigesimal 11ehhdi1
36 Base36 n0k4xl

Cryptographic Hash Functions

md5 63f2e59c41b7e48bcf9d36597f716116
sha1 ad396c9f6206fd213be5401c98af86f1c380d2d1
sha256 de277c25863df15fe4ae340466a74c958ffefede9fb019932ccd4fad9e0fe680
sha512 5f38dce84f52af5af6f65de72e9fd228cbf3c1268181f10e1cdbeac2bbb417cce0fc6f9405fcd61ebc992eb4ab0252876e68b1c4dd3f656f3cbc4b8e9430125a
ripemd-160 c0a323495a8133367498232d2fd6ec103d175fe7

1391661561 as geometric shapes

Circle

Radius = n
Diameter 2783323122
Circumference 8744067472.6418
Area 6.084391294233E+18

Sphere

Radius = n
Volume 1.1289884648356E+28
Surface area 2.4337565176932E+19
Circumference 8744067472.6418

Square

Length = n
Perimeter 5566646244
Area 1936721900364956721
Diagonal 1968106653.7995

Cube

Length = n
Surface area 1.162033140219E+19
Volume 2.6952614230848E+27
Space diagonal 2410428530.5926

Equilateral Triangle

Length = n
Perimeter 4174984683
Area 8.3862518289086E+17
Altitude 1205214265.2963

Triangular Pyramid

Length = n
Surface area 8.3862518289086E+17
Volume 3.1763960488896E+26
Height 656035551.2665