161840 (number)

161840 is an even 6-digits composite number following 161839 and preceding 161841. In scientific notation, it is written as 1.61840 × 10^5. The sum of its digits is 20. It has a total of 7 prime factors and 40 positive divisors. There are 52224 positive integers (up to 161840) that are relatively prime to 161840.

Interesting facts

Basic properties

Name

Name one hundred sixty-one thousand eight hundred forty

Notation

Scientific notation 1.61840 × 10^5
Engineering notation 1.61840 × 10^3

Prime Factorization of 161840

Prime Factorization 2 × 2 × 2 × 2 × 7 × 85 × 17

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 20230
Product of the distinct prime numbers

The prime factorization of 161840 is 2 × 2 × 2 × 2 × 7 × 85 × 17. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 10, 38, 92, 207, 579, 6498, 7107, 12138, 13132, 783119, 810953, 5042140, 9281178, 13316303, 58586178, 827426919, 825308791, 3096501785, 2558990501

Basic calculations (n = 161840)

Multiplication

n×y
n×2 323680
n×3 485520
n×4 647360
n×5 809200

Division

n÷y
n÷2 80920
n÷3 53946.666666667
n÷3 40460
n÷5 32368

Exponentiation

ny
n2 26192185600
n3 4238943317504000
n4 6.8603058650485E+20
n5 1.1102719011994E+26

Nth Root

y√n
2√n 402.29342525077
3√n 54.495665003233
4√n 20.057253681668
5√n 11.010756893423

Divisors of 161840

1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 85, 112, 119, 136, 170, 238, 272, 340, 476, 595, 680, 952, 1190, 1360, 1445, 1904, 2380, 2890, 4760, 5780, 9520, 10115, 11560, 20230, 23120, 40460, 80920, 161840

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161840 can be divided by 40 positive divisors. The sum of these divisors (counting 161840) is 1, the average is 0.025.

Base conversion 161840

Base System Value
2 Binary 100111100000110000
3 Ternary 22020000002
4 Quaternary 213200300
5 Quinary 20134330
6 Senary 3245132
8 Octal 474060
10 Decimal 161840
12 Duodecimal 797a8
16 Hexadecimal 27830
20 Vigesimal 104c0
36 Base36 3gvk

Cryptographic Hash Functions

md5 0dace1a36a883b2024a027f8deb2d2f5
sha1 f1d44ac9f4cb039abf8fc23827e34bf421ca03fa
sha256 09b642bd84082b902dea5facc28081ea4bc12bc81fd6e96f213498973bc48674
sha512 eb864ade0fd484a624707b91135d1e4730f38b6e0f226407e7fcb1285dad5cd57b3ebe0e99519821d97a4a0808825511092d8980aafad3cdb0082f521bc037ac
ripemd-160 1365db76631c95e9d090289f98fdd146e66cc290

161840 as geometric shapes

Circle

Radius = n
Diameter 323680
Circumference 1016870.7101139
Area 82285177862.42

Sphere

Radius = n
Volume 1.7756044247005E+16
Surface area 329140711449.68
Circumference 1016870.7101139

Square

Length = n
Perimeter 647360
Area 26192185600
Diagonal 228876.32293446

Cube

Length = n
Surface area 157153113600
Volume 4238943317504000
Space diagonal 280315.10269695

Equilateral Triangle

Length = n
Perimeter 485520
Area 11341549055.118
Altitude 140157.55134847

Triangular Pyramid

Length = n
Surface area 11341549055.118
Volume 4.9956426081208E+14
Height 76292.107644821