161728139 (number)

161728139 is an odd 9-digits prime number following 161728138 and preceding 161728140. In scientific notation, it is written as 1.61728139 × 10^8. The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors. There are 161728138 positive integers (up to 161728139) that are relatively prime to 161728139.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty-eight thousand one hundred thirty-nine

Notation

Scientific notation 1.61728139 × 10^8
Engineering notation 1.61728139 × 10^6

Prime Factorization of 161728139

Prime Factorization 161728139

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161728139
Product of the distinct prime numbers

The prime factorization of 161728139 is 161728139. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 6, 9, 17, 295, 659, 6809, 8371, 64412, 50610, 345370, 655492, 670217, 1696942, 29847800, 29726522, 251797953, 989004224, 4812884489, 2862223769

Basic calculations (n = 161728139)

Multiplication

n×y
n×2 323456278
n×3 485184417
n×4 646912556
n×5 808640695

Division

n÷y
n÷2 80864069.5
n÷3 53909379.666667
n÷3 40432034.75
n÷5 32345627.8

Exponentiation

ny
n2 26155990944403321
n3 4.2301597391392E+24
n4 6.8413586228371E+32
n5 1.106440198303E+41

Nth Root

y√n
2√n 12717.237868342
3√n 544.83106623369
4√n 112.77073143481
5√n 43.828551504181

Divisors of 161728139

1, 161728139

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161728140
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80864070
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12717.237907659
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999876336
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161728139 can be divided by 2 positive divisors. The sum of these divisors (counting 161728139) is 161728140, the average is 80864070.

Base conversion 161728139

Base System Value
2 Binary 1001101000111100011010001011
3 Ternary 102021022122022002
4 Quaternary 21220330122023
5 Quinary 312400300024
6 Senary 24014221215
8 Octal 1150743213
10 Decimal 161728139
12 Duodecimal 461b480b
16 Hexadecimal 9a3c68b
20 Vigesimal 2aag06j
36 Base36 2oae8b

Cryptographic Hash Functions

md5 1a3ef3782d5226d07a533decf836fac4
sha1 fd32274968a611894f7702535ae8ee0af26cdffc
sha256 f091cb45d2bc88adebd672a521f17e31681cd45f81702879eaaf23e7582d7cf4
sha512 daf211bbac1caf897bee475addbda3a73dab3037a53a3e2df665c7426c782ac5b102dab41e93aa954b43b5cb176da88c123ee32ebe57afed4951af45ca2638fa
ripemd-160 3b194302b2e6684f7cd97fed25adf2faf0adc661

161728139 as geometric shapes

Circle

Radius = n
Diameter 323456278
Circumference 1016167866.7223
Area 8.2171468998299E+16

Sphere

Radius = n
Volume 1.7719251679988E+25
Surface area 3.2868587599319E+17
Circumference 1016167866.7223

Square

Length = n
Perimeter 646912556
Area 26155990944403321
Diagonal 228718127.59116

Cube

Length = n
Surface area 156935945666419926
Volume 4.2301597391392E+24
Space diagonal 280121353.76156

Equilateral Triangle

Length = n
Perimeter 485184417
Area 1.1325876309505E+16
Altitude 140060676.88078

Triangular Pyramid

Length = n
Surface area 1.1325876309505E+16
Volume 4.9852910617461E+23
Height 76239375.86372