1661661521 (number)

1661661521 is an odd 10-digits composite number following 1661661520 and preceding 1661661522. In scientific notation, it is written as 1.661661521 × 10^9. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 1533841392 positive integers (up to 1661661521) that are relatively prime to 1661661521.

Interesting facts

Basic properties

Name

Name one billion six hundred sixty-one million six hundred sixty-one thousand five hundred twenty-one

Notation

Scientific notation 1.661661521 × 10^9
Engineering notation 1.661661521 × 10^9

Prime Factorization of 1661661521

Prime Factorization 13 × 127820117

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1661661521
Product of the distinct prime numbers

The prime factorization of 1661661521 is 13 × 127820117. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 14, 97, 856, 649, 7696, 5486, 57074, 32537, 871365, 836177, 4350033, 5142494, 14688910, 3811162, 993801038, 60541185, 8167590102, 5937796314

Basic calculations (n = 1661661521)

Multiplication

n×y
n×2 3323323042
n×3 4984984563
n×4 6646646084
n×5 8308307605

Division

n÷y
n÷2 830830760.5
n÷3 553887173.66667
n÷3 415415380.25
n÷5 332332304.2

Exponentiation

ny
n2 2761119010372033441
n3 4.5880452144368E+27
n4 7.6237781894378E+36
n5 1.2668138862028E+46

Nth Root

y√n
2√n 40763.48268978
3√n 1184.4430601639
4√n 201.89968471937
5√n 69.840688588647

Divisors of 1661661521

1, 13, 127820117, 1661661521

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1661661520
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1661661521 can be divided by 4 positive divisors. The sum of these divisors (counting 1661661521) is 1, the average is 0.25.

Base conversion 1661661521

Base System Value
2 Binary 1100011000010101111000101010001
3 Ternary 11021210201011002022
4 Quaternary 1203002233011101
5 Quinary 11400341132041
6 Senary 432515101225
8 Octal 14302570521
10 Decimal 1661661521
12 Duodecimal 3a45a1815
16 Hexadecimal 630af151
20 Vigesimal 15j57dg1
36 Base36 rhb68h

Cryptographic Hash Functions

md5 feaaefedfb222bb79939cb0a9158fe2c
sha1 7dea32cbbd7f1e35f0e6f4d0e01293e6f5b09583
sha256 2d3ca1070341ce3800b285af976216f3b986fc1c7a4073436ef4fddea0929ee0
sha512 9d6075a0cebe28bcb6e89dcc25be41ecf9ee521d79cf2bcde32300b149074683c4c6860d836698a6710c5c1278a54e976df1b0845681b0bd27ab59a9a0099a43
ripemd-160 ea2928d6576be6b02aab7240c4d36c4d0e41eaf7

1661661521 as geometric shapes

Circle

Radius = n
Diameter 3323323042
Circumference 10440527254.253
Area 8.6743111986719E+18

Sphere

Radius = n
Volume 1.921835885335E+28
Surface area 3.4697244794688E+19
Circumference 10440527254.253

Square

Length = n
Perimeter 6646646084
Area 2761119010372033441
Diagonal 2349944259.0717

Cube

Length = n
Surface area 1.6566714062232E+19
Volume 4.5880452144368E+27
Space diagonal 2878082179.3542

Equilateral Triangle

Length = n
Perimeter 4984984563
Area 1.1955996029272E+18
Altitude 1439041089.6771

Triangular Pyramid

Length = n
Surface area 1.1955996029272E+18
Volume 5.4070631391979E+26
Height 783314753.0239