161716887 (number)

161716887 is an odd 9-digits composite number following 161716886 and preceding 161716888. In scientific notation, it is written as 1.61716887 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 18 positive divisors. There are 103120776 positive integers (up to 161716887) that are relatively prime to 161716887.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred sixteen thousand eight hundred eighty-seven

Notation

Scientific notation 1.61716887 × 10^8
Engineering notation 1.61716887 × 10^6

Prime Factorization of 161716887

Prime Factorization 3 × 3 × 23 × 23 × 33967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2343723
Product of the distinct prime numbers

The prime factorization of 161716887 is 3 × 3 × 23 × 23 × 33967. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 75, 12, 22, 224, 6745, 1899, 13691, 20494, 693648, 19227, 9491697, 5544693, 85721753, 93315212, 316961675, 942975084, 3721629830, 1377477228

Basic calculations (n = 161716887)

Multiplication

n×y
n×2 323433774
n×3 485150661
n×4 646867548
n×5 808584435

Division

n÷y
n÷2 80858443.5
n÷3 53905629
n÷3 40429221.75
n÷5 32343377.4

Exponentiation

ny
n2 26152351540970769
n3 4.2292768789354E+24
n4 6.8394549112252E+32
n5 1.1060553570202E+41

Nth Root

y√n
2√n 12716.795468985
3√n 544.81843066436
4√n 112.76876991874
5√n 43.827941625666

Divisors of 161716887

1, 3, 9, 23, 69, 207, 529, 1587, 4761, 33967, 101901, 305703, 781241, 2343723, 7031169, 17968543, 53905629, 161716887

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161716886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161716887 can be divided by 18 positive divisors. The sum of these divisors (counting 161716887) is 1, the average is 0.055555555555556.

Base conversion 161716887

Base System Value
2 Binary 1001101000111001101010010111
3 Ternary 102021022001212100
4 Quaternary 21220321222113
5 Quinary 312344420022
6 Senary 24014053143
8 Octal 1150715227
10 Decimal 161716887
12 Duodecimal 461aa1b3
16 Hexadecimal 9a39a97
20 Vigesimal 2aaec47
36 Base36 2oa5jr

Cryptographic Hash Functions

md5 a61d5357dfa5cf09b33701ecd1cb1c75
sha1 981cca0acc53b4c32f8fa9745751dbbe36feb277
sha256 b87c5bd572eee8cb6877f95735f50ef13013ec16320850dbf1124e5100460dd4
sha512 24457373f9f1bc3fbb80aaae83b609c23b4f4e6b34d0cd8d514899a2419f26a4b1e933c4939116ff25d1c8b4f6b2030cb708ee9adde88622d398b5f646744e0a
ripemd-160 d9b4a73deef3eae259da92cbe43a217326566d74

161716887 as geometric shapes

Circle

Radius = n
Diameter 323433774
Circumference 1016097168.3212
Area 8.2160035475211E+16

Sphere

Radius = n
Volume 1.7715553563814E+25
Surface area 3.2864014190085E+17
Circumference 1016097168.3212

Square

Length = n
Perimeter 646867548
Area 26152351540970769
Diagonal 228702214.86016

Cube

Length = n
Surface area 156914109245824614
Volume 4.2292768789354E+24
Space diagonal 280101864.72587

Equilateral Triangle

Length = n
Perimeter 485150661
Area 1.1324300401591E+16
Altitude 140050932.36294

Triangular Pyramid

Length = n
Surface area 1.1324300401591E+16
Volume 4.9842506010179E+23
Height 76234071.620052