161609972 (number)

161609972 is an even 9-digits composite number following 161609971 and preceding 161609973. In scientific notation, it is written as 1.61609972 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 76552056 positive integers (up to 161609972) that are relatively prime to 161609972.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred nine thousand nine hundred seventy-two

Notation

Scientific notation 1.61609972 × 10^8
Engineering notation 1.61609972 × 10^6

Prime Factorization of 161609972

Prime Factorization 2 × 2 × 19 × 2126447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80804986
Product of the distinct prime numbers

The prime factorization of 161609972 is 2 × 2 × 19 × 2126447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 12, 27, 480, 970, 9120, 7204, 61774, 99017, 494882, 529721, 21174, 5885832, 43974156, 67006510, 199606549, 171833346, 120682341, 1579570604

Basic calculations (n = 161609972)

Multiplication

n×y
n×2 323219944
n×3 484829916
n×4 646439888
n×5 808049860

Division

n÷y
n÷2 80804986
n÷3 53869990.666667
n÷3 40402493
n÷5 32321994.4

Exponentiation

ny
n2 26117783049840784
n3 4.2208941873868E+24
n4 6.8213859143855E+32
n5 1.102403986625E+41

Nth Root

y√n
2√n 12712.591081286
3√n 544.69833992022
4√n 112.75012674621
5√n 43.822144947121

Divisors of 161609972

1, 2, 4, 19, 38, 76, 2126447, 4252894, 8505788, 40402493, 80804986, 161609972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161609971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161609972 can be divided by 12 positive divisors. The sum of these divisors (counting 161609972) is 1, the average is 0.083333333333333.

Base conversion 161609972

Base System Value
2 Binary 1001101000011111100011110100
3 Ternary 102021002122012112
4 Quaternary 21220133203310
5 Quinary 312333004342
6 Senary 24011510152
8 Octal 1150374364
10 Decimal 161609972
12 Duodecimal 46158358
16 Hexadecimal 9a1f8f4
20 Vigesimal 2aa14ic
36 Base36 2o7v1w

Cryptographic Hash Functions

md5 8db8b6bbe70770cf6e4ffd8a335286d8
sha1 f056736e85c71cb28e19ddde19c849d8a62b0cd3
sha256 1c048c09a39318823c0cca2414288e599906f620caa1cc50519d8a43c48577b2
sha512 5e3805b000b131da5029592d49f4e1b7d20dc78f02a04ae3f0ae850c7d4d1d913431d007ccabada4888082eee5ce0216ec12ae6b4bbcfbca9a23d4d1feabeea6
ripemd-160 e9b8b9ac61c4b66c002e9a656145fb0b7904921d

161609972 as geometric shapes

Circle

Radius = n
Diameter 323219944
Circumference 1015425401.5641
Area 8.2051435357432E+16

Sphere

Radius = n
Volume 1.7680440227566E+25
Surface area 3.2820574142973E+17
Circumference 1015425401.5641

Square

Length = n
Perimeter 646439888
Area 26117783049840784
Diagonal 228551014.21714

Cube

Length = n
Surface area 156706698299044704
Volume 4.2208941873868E+24
Space diagonal 279916682.51378

Equilateral Triangle

Length = n
Perimeter 484829916
Area 1.1309331805846E+16
Altitude 139958341.25689

Triangular Pyramid

Length = n
Surface area 1.1309331805846E+16
Volume 4.9743715042869E+23
Height 76183671.405712