161749042 (number)

161749042 is an even 9-digits composite number following 161749041 and preceding 161749043. In scientific notation, it is written as 1.61749042 × 10^8. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 63806400 positive integers (up to 161749042) that are relatively prime to 161749042.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred forty-nine thousand forty-two

Notation

Scientific notation 1.61749042 × 10^8
Engineering notation 1.61749042 × 10^6

Prime Factorization of 161749042

Prime Factorization 2 × 7 × 13 × 421 × 2111

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161749042
Product of the distinct prime numbers

The prime factorization of 161749042 is 2 × 7 × 13 × 421 × 2111. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 16, 10, 273, 404, 5394, 8433, 36729, 36706, 400225, 152316, 9931923, 5396056, 56236785, 17049766, 217939290, 481840814, 2476914517, 3833020118

Basic calculations (n = 161749042)

Multiplication

n×y
n×2 323498084
n×3 485247126
n×4 646996168
n×5 808745210

Division

n÷y
n÷2 80874521
n÷3 53916347.333333
n÷3 40437260.5
n÷5 32349808.4

Exponentiation

ny
n2 26162752587917764
n3 4.2318001671787E+24
n4 6.844896229766E+32
n5 1.1071554077541E+41

Nth Root

y√n
2√n 12718.059679055
3√n 544.85453795446
4√n 112.77437509938
5√n 43.829684394051

Divisors of 161749042

1, 2, 7, 13, 14, 26, 91, 182, 421, 842, 2111, 2947, 4222, 5473, 5894, 10946, 14777, 27443, 29554, 38311, 54886, 76622, 192101, 384202, 888731, 1777462, 6221117, 11553503, 12442234, 23107006, 80874521, 161749042

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161749041
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161749042 can be divided by 32 positive divisors. The sum of these divisors (counting 161749042) is 1, the average is 0.03125.

Base conversion 161749042

Base System Value
2 Binary 1001101001000001100000110010
3 Ternary 102021100200222021
4 Quaternary 21221001200302
5 Quinary 312401432132
6 Senary 24014502054
8 Octal 1151014062
10 Decimal 161749042
12 Duodecimal 4620492a
16 Hexadecimal 9a41832
20 Vigesimal 2aaicc2
36 Base36 2oaucy

Cryptographic Hash Functions

md5 12de3c97726ed9fe314301a0bab75823
sha1 6d0c926d66d394bdc422a053088e84e346ff83ff
sha256 6a37b34409a1219c3afcd870c9a9d47a8d9962235a2fb397dce49578f1cddf19
sha512 2552ddf3116e15e43baedcff1b1cfb167eb361e51151e7cb0416ccee2607742d5309eae4ef04dcef85b631a3b4d7a3a57a571c4562871176cd438bdcbb980060
ripemd-160 cfaf357cfc434c6f6838f503507af517a19ecc2b

161749042 as geometric shapes

Circle

Radius = n
Diameter 323498084
Circumference 1016299204.1448
Area 8.219271132789E+16

Sphere

Radius = n
Volume 1.7726123088892E+25
Surface area 3.2877084531156E+17
Circumference 1016299204.1448

Square

Length = n
Perimeter 646996168
Area 26162752587917764
Diagonal 228747688.89726

Cube

Length = n
Surface area 156976515527506584
Volume 4.2318001671787E+24
Space diagonal 280157558.81959

Equilateral Triangle

Length = n
Perimeter 485247126
Area 1.1328804187032E+16
Altitude 140078779.4098

Triangular Pyramid

Length = n
Surface area 1.1328804187032E+16
Volume 4.9872243247307E+23
Height 76249229.632418