161879890 (number)

161879890 is an even 9-digits composite number following 161879889 and preceding 161879891. In scientific notation, it is written as 1.61879890 × 10^8. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 63172480 positive integers (up to 161879890) that are relatively prime to 161879890.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred seventy-nine thousand eight hundred ninety

Notation

Scientific notation 1.61879890 × 10^8
Engineering notation 1.61879890 × 10^6

Prime Factorization of 161879890

Prime Factorization 2 × 5 × 41 × 394829

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161879890
Product of the distinct prime numbers

The prime factorization of 161879890 is 2 × 5 × 41 × 394829. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 91, 86, 616, 563, 5343, 4418, 85309, 83125, 269148, 952268, 7806452, 3347033, 666987, 63791784, 871216453, 679190869, 3982648604, 9268713539

Basic calculations (n = 161879890)

Multiplication

n×y
n×2 323759780
n×3 485639670
n×4 647519560
n×5 809399450

Division

n÷y
n÷2 80939945
n÷3 53959963.333333
n÷3 40469972.5
n÷5 32375978

Exponentiation

ny
n2 26205098786412100
n3 4.2420785089835E+24
n4 6.8670720240562E+32
n5 1.1116408638763E+41

Nth Root

y√n
2√n 12723.202820045
3√n 545.00141962989
4√n 112.79717558541
5√n 43.836773365482

Divisors of 161879890

1, 2, 5, 10, 41, 82, 205, 410, 394829, 789658, 1974145, 3948290, 16187989, 32375978, 80939945, 161879890

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 -161879889
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 161879890 can be divided by 16 positive divisors. The sum of these divisors (counting 161879890) is 1, the average is 0.0625.

Base conversion 161879890

Base System Value
2 Binary 1001101001100001011101010010
3 Ternary 102021121100110111
4 Quaternary 21221201131102
5 Quinary 312420124030
6 Senary 24021351534
8 Octal 1151413522
10 Decimal 161879890
12 Duodecimal 462685aa
16 Hexadecimal 9a61752
20 Vigesimal 2abejea
36 Base36 2odnbm

Cryptographic Hash Functions

md5 34d5c0a8e6cb363d455cc5a0f4f5dc1f
sha1 0adb371b07f3441d8e7da6c0acd7becaa777cd47
sha256 8dd3d79063f9d9487e760dc7371f1c9a1df6e102c56999803268e62418254ec9
sha512 567ed2db461cf5752177c942bad4bb2d4a2d01cd7e3288174a154f6ba7c7ed14980e0a960b776f2ba53d2cc527bca469aba6f5a15ac67cf58d745295594ab643
ripemd-160 85e9aece80bc40724c8923a73791fd1f5ae289bd

161879890 as geometric shapes

Circle

Radius = n
Diameter 323759780
Circumference 1017121346.3758
Area 8.2325745833987E+16

Sphere

Radius = n
Volume 1.7769176906365E+25
Surface area 3.2930298333595E+17
Circumference 1017121346.3758

Square

Length = n
Perimeter 647519560
Area 26205098786412100
Diagonal 228932735.91346

Cube

Length = n
Surface area 157230592718472600
Volume 4.2420785089835E+24
Space diagonal 280384194.20366

Equilateral Triangle

Length = n
Perimeter 485639670
Area 1.1347140628857E+16
Altitude 140192097.10183

Triangular Pyramid

Length = n
Surface area 1.1347140628857E+16
Volume 4.9993374667133E+23
Height 76310911.971155