161031880 (number)

161031880 is an even 9-digits composite number following 161031879 and preceding 161031881. In scientific notation, it is written as 1.61031880 × 10^8. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 64412736 positive integers (up to 161031880) that are relatively prime to 161031880.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million thirty-one thousand eight hundred eighty

Notation

Scientific notation 1.61031880 × 10^8
Engineering notation 1.61031880 × 10^6

Prime Factorization of 161031880

Prime Factorization 2 × 2 × 2 × 5 × 4025797

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40257970
Product of the distinct prime numbers

The prime factorization of 161031880 is 2 × 2 × 2 × 5 × 4025797. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 70, 3, 805, 116, 6459, 4723, 76629, 74584, 433720, 902891, 5325900, 9998557, 12893440, 7889220, 358121187, 767269934, 6368191630, 8380865606

Basic calculations (n = 161031880)

Multiplication

n×y
n×2 322063760
n×3 483095640
n×4 644127520
n×5 805159400

Division

n÷y
n÷2 80515940
n÷3 53677293.333333
n÷3 40257970
n÷5 32206376

Exponentiation

ny
n2 25931266376334400
n3 4.1757605753619E+24
n4 6.7243057588041E+32
n5 1.0828275980351E+41

Nth Root

y√n
2√n 12689.833726255
3√n 544.04808722841
4√n 112.64916211963
5√n 43.790748917896

Divisors of 161031880

1, 2, 4, 5, 8, 10, 20, 40, 4025797, 8051594, 16103188, 20128985, 32206376, 40257970, 80515940, 161031880

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 -161031879
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 161031880 can be divided by 16 positive divisors. The sum of these divisors (counting 161031880) is 1, the average is 0.0625.

Base conversion 161031880

Base System Value
2 Binary 1001100110010010011011001000
3 Ternary 102020000021012201
4 Quaternary 21212102123020
5 Quinary 312211010010
6 Senary 23551245544
8 Octal 1146223310
10 Decimal 161031880
12 Duodecimal 45b198b4
16 Hexadecimal 99926c8
20 Vigesimal 2a68je0
36 Base36 2nvgzs

Cryptographic Hash Functions

md5 4216e32acc91c1d3dc9315cc6f2b8144
sha1 66f9d31aecf1020921be24f1ccb7dd32efea2e96
sha256 1f3e6844000deb73c9a2e64b1338c67c58fc6a39ec92651317850b2dad732607
sha512 6bd6304fb60d51b1cdff33121ca2df9f5a5e7a8b7ed12f3121bf593c4a9323f7fca628b77047545a19d587533864d0bcfc1decb7835a4e8bb93e2b0e33abfb05
ripemd-160 143a1e66e2b2f4fe1c106078684a2e3bf53d5ee6

161031880 as geometric shapes

Circle

Radius = n
Diameter 322063760
Circumference 1011793142.4035
Area 8.1465475946172E+16

Sphere

Radius = n
Volume 1.7491384995609E+25
Surface area 3.2586190378469E+17
Circumference 1011793142.4035

Square

Length = n
Perimeter 644127520
Area 25931266376334400
Diagonal 227733468.67044

Cube

Length = n
Surface area 155587598258006400
Volume 4.1757605753619E+24
Space diagonal 278915397.79833

Equilateral Triangle

Length = n
Perimeter 483095640
Area 1.1228567717103E+16
Altitude 139457698.89917

Triangular Pyramid

Length = n
Surface area 1.1228567717103E+16
Volume 4.9211810324164E+23
Height 75911156.223479