161728147 (number)

161728147 is an odd 9-digits composite number following 161728146 and preceding 161728148. In scientific notation, it is written as 1.61728147 × 10^8. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 130520160 positive integers (up to 161728147) that are relatively prime to 161728147.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred twenty-eight thousand one hundred forty-seven

Notation

Scientific notation 1.61728147 × 10^8
Engineering notation 1.61728147 × 10^6

Prime Factorization of 161728147

Prime Factorization 7 × 31 × 37 × 20143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161728147
Product of the distinct prime numbers

The prime factorization of 161728147 is 7 × 31 × 37 × 20143. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 13, 12, 725, 973, 108, 3028, 35978, 65904, 194199, 742231, 6159237, 7853490, 60610292, 64375943, 220570811, 784712982, 5890274679, 6306660177

Basic calculations (n = 161728147)

Multiplication

n×y
n×2 323456294
n×3 485184441
n×4 646912588
n×5 808640735

Division

n÷y
n÷2 80864073.5
n÷3 53909382.333333
n÷3 40432036.75
n÷5 32345629.4

Exponentiation

ny
n2 26155993532053609
n3 4.230160366883E+24
n4 6.8413599764883E+32
n5 1.1064404719574E+41

Nth Root

y√n
2√n 12717.238182876
3√n 544.83107521717
4√n 112.77073282938
5√n 43.828551937784

Divisors of 161728147

1, 7, 31, 37, 217, 259, 1147, 8029, 20143, 141001, 624433, 745291, 4371031, 5217037, 23104021, 161728147

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 -161728146
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 161728147 can be divided by 16 positive divisors. The sum of these divisors (counting 161728147) is 1, the average is 0.0625.

Base conversion 161728147

Base System Value
2 Binary 1001101000111100011010010011
3 Ternary 102021022122022101
4 Quaternary 21220330122103
5 Quinary 312400300042
6 Senary 24014221231
8 Octal 1150743223
10 Decimal 161728147
12 Duodecimal 461b4817
16 Hexadecimal 9a3c693
20 Vigesimal 2aag077
36 Base36 2oae8j

Cryptographic Hash Functions

md5 e8b0a1b7844bdbd0373f030d902be51d
sha1 a41c5083180414264a101ef4e019dd16771bcbf9
sha256 befbd1c1d69eaa247493254fdd5b58ccef7ad052eef15f077b687274c2f17fc8
sha512 88972a684498ddb37a987792c30e2ca0756858b82b5c9885f2b769215bfa69c6b2b1b758714a51be71a8c9e165b3f335310e141ae6a883a035d9d8721ab99493
ripemd-160 caf66190f0488a4d6dcbef6726e74f293197778c

161728147 as geometric shapes

Circle

Radius = n
Diameter 323456294
Circumference 1016167916.9878
Area 8.2171477127642E+16

Sphere

Radius = n
Volume 1.7719254309475E+25
Surface area 3.2868590851057E+17
Circumference 1016167916.9878

Square

Length = n
Perimeter 646912588
Area 26155993532053609
Diagonal 228718138.90487

Cube

Length = n
Surface area 156935961192321654
Volume 4.230160366883E+24
Space diagonal 280121367.61797

Equilateral Triangle

Length = n
Perimeter 485184441
Area 1.132587742999E+16
Altitude 140060683.80898

Triangular Pyramid

Length = n
Surface area 1.132587742999E+16
Volume 4.9852918015493E+23
Height 76239379.634957