161640268 (number)

161640268 is an even 9-digits composite number following 161640267 and preceding 161640269. In scientific notation, it is written as 1.61640268 × 10^8. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 78940512 positive integers (up to 161640268) that are relatively prime to 161640268.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million six hundred forty thousand two hundred sixty-eight

Notation

Scientific notation 1.61640268 × 10^8
Engineering notation 1.61640268 × 10^6

Prime Factorization of 161640268

Prime Factorization 2 × 2 × 43 × 939769

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80820134
Product of the distinct prime numbers

The prime factorization of 161640268 is 2 × 2 × 43 × 939769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 72, 15, 989, 84, 1418, 8889, 38781, 56873, 934321, 522464, 5064699, 3552672, 14389430, 91645319, 103366272, 645409884, 8813372756, 8944272900

Basic calculations (n = 161640268)

Multiplication

n×y
n×2 323280536
n×3 484920804
n×4 646561072
n×5 808201340

Division

n÷y
n÷2 80820134
n÷3 53880089.333333
n÷3 40410067
n÷5 32328053.6

Exponentiation

ny
n2 26127576239111824
n3 4.2232684254805E+24
n4 6.826502401306E+32
n5 1.1034376776497E+41

Nth Root

y√n
2√n 12713.782599998
3√n 544.73237484521
4√n 112.75541051319
5√n 43.82378783604

Divisors of 161640268

1, 2, 4, 43, 86, 172, 939769, 1879538, 3759076, 40410067, 80820134, 161640268

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 -161640267
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 161640268 can be divided by 12 positive divisors. The sum of these divisors (counting 161640268) is 1, the average is 0.083333333333333.

Base conversion 161640268

Base System Value
2 Binary 1001101000100110111101001100
3 Ternary 102021011011202121
4 Quaternary 21220212331030
5 Quinary 312334442033
6 Senary 24012302324
8 Octal 1150467514
10 Decimal 161640268
12 Duodecimal 461719a4
16 Hexadecimal 9a26f4c
20 Vigesimal 2aa50d8
36 Base36 2o8ifg

Cryptographic Hash Functions

md5 d0e67efedcca33fc62ff8d4fc4383213
sha1 6326fa21d55366b8c40c3d95de69f3281090e973
sha256 85951ea53527078c57a6b454365ab06e3c312f0549cf9c82a312062f6d168e15
sha512 543801a5732a3f28593a051ce7eea02709faebd59d06ddb0ba4d01338cfc4f48926a39c80cb36d0399e15d97fed0332039134d828180bb32e7f2fc42ccd4688d
ripemd-160 c434a3c3cc1955b3aa7b53b7a5a0b727977204a8

161640268 as geometric shapes

Circle

Radius = n
Diameter 323280536
Circumference 1015615756.9462
Area 8.2082201568901E+16

Sphere

Radius = n
Volume 1.7690385412836E+25
Surface area 3.283288062756E+17
Circumference 1015615756.9462

Square

Length = n
Perimeter 646561072
Area 26127576239111824
Diagonal 228593859.23122

Cube

Length = n
Surface area 156765457434670944
Volume 4.2232684254805E+24
Space diagonal 279969156.72505

Equilateral Triangle

Length = n
Perimeter 484920804
Area 1.1313572381193E+16
Altitude 139984578.36252

Triangular Pyramid

Length = n
Surface area 1.1313572381193E+16
Volume 4.9771695707138E+23
Height 76197953.077074