161708421 (number)

161708421 is an odd 9-digits composite number following 161708420 and preceding 161708422. In scientific notation, it is written as 1.61708421 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 91886448 positive integers (up to 161708421) that are relatively prime to 161708421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61708421 × 10^8
Engineering notation 1.61708421 × 10^6

Prime Factorization of 161708421

Prime Factorization 3 × 7 × 179 × 43019

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161708421
Product of the distinct prime numbers

The prime factorization of 161708421 is 3 × 7 × 179 × 43019. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 5, 23, 652, 664, 2956, 6756, 12871, 16049, 344046, 284835, 9740412, 5805428, 85911431, 25199401, 981792987, 76179834, 7702588181, 887248094

Basic calculations (n = 161708421)

Multiplication

n×y
n×2 323416842
n×3 485125263
n×4 646833684
n×5 808542105

Division

n÷y
n÷2 80854210.5
n÷3 53902807
n÷3 40427105.25
n÷5 32341684.2

Exponentiation

ny
n2 26149613422313241
n3 4.2286126962827E+24
n4 6.8380228213642E+32
n5 1.1057658732048E+41

Nth Root

y√n
2√n 12716.462597751
3√n 544.808923281
4√n 112.7672940074
5√n 43.827482730951

Divisors of 161708421

1, 3, 7, 21, 179, 537, 1253, 3759, 43019, 129057, 301133, 903399, 7700401, 23101203, 53902807, 161708421

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 -161708420
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 161708421 can be divided by 16 positive divisors. The sum of these divisors (counting 161708421) is 1, the average is 0.0625.

Base conversion 161708421

Base System Value
2 Binary 1001101000110111100110000101
3 Ternary 102021021122020210
4 Quaternary 21220313212011
5 Quinary 312344132141
6 Senary 24013550033
8 Octal 1150674605
10 Decimal 161708421
12 Duodecimal 461a5319
16 Hexadecimal 9a37985
20 Vigesimal 2aadb11
36 Base36 2o9z0l

Cryptographic Hash Functions

md5 9f5e9c927c2c9b75cf99d3bfa72d8904
sha1 50a3830b8ba30c149552bc46f85f4e182c560465
sha256 92bcb0f847dbd83a8b288553330ecb79ad08945bf1ab18ed1665cf56a98b87f2
sha512 82cb3c145f4fcc17c8d38e42096d3c9c609c6e12090ab7658bfe6326f2099c38e851427d02afa8cb6ad0ff7a69726caf6e5f8db92cf03769d0a609ac6bf6ef72
ripemd-160 c509580c621f008191d8890888087250abb63e4b

161708421 as geometric shapes

Circle

Radius = n
Diameter 323416842
Circumference 1016043974.8744
Area 8.2151433421752E+16

Sphere

Radius = n
Volume 1.7712771442024E+25
Surface area 3.2860573368701E+17
Circumference 1016043974.8744

Square

Length = n
Perimeter 646833684
Area 26149613422313241
Diagonal 228690242.12814

Cube

Length = n
Surface area 156897680533879446
Volume 4.2286126962827E+24
Space diagonal 280087201.18374

Equilateral Triangle

Length = n
Perimeter 485125263
Area 1.1323114761433E+16
Altitude 140043600.59187

Triangular Pyramid

Length = n
Surface area 1.1323114761433E+16
Volume 4.983467854255E+23
Height 76230080.709379