161749120 (number)

161749120 is an even 9-digits composite number following 161749119 and preceding 161749121. In scientific notation, it is written as 1.61749120 × 10^8. The sum of its digits is 31. It has a total of 10 prime factors and 64 positive divisors. There are 59719680 positive integers (up to 161749120) that are relatively prime to 161749120.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61749120 × 10^8
Engineering notation 1.61749120 × 10^6

Prime Factorization of 161749120

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 19441

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 2527330
Product of the distinct prime numbers

The prime factorization of 161749120 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 19441. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161749120)

Multiplication

n×y
n×2 323498240
n×3 485247360
n×4 646996480
n×5 808745600

Division

n÷y
n÷2 80874560
n÷3 53916373.333333
n÷3 40437280
n÷5 32349824

Exponentiation

ny
n2 26162777820774400
n3 4.2318062892658E+24
n4 6.844909432992E+32
n5 1.1071580772662E+41

Nth Root

y√n
2√n 12718.06274556
3√n 544.85462553592
4√n 112.77438869513
5√n 43.829688621235

Divisors of 161749120

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161749119
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161749120 can be divided by 64 positive divisors. The sum of these divisors (counting 161749120) is 1, the average is 0.015625.

Base conversion 161749120

Base System Value
2 Binary 1001101001000001100010000000
3 Ternary 102021100201002011
4 Quaternary 21221001202000
5 Quinary 312401432440
6 Senary 24014502304
8 Octal 1151014200
10 Decimal 161749120
12 Duodecimal 46204994
16 Hexadecimal 9a41880
20 Vigesimal 2aaicg0
36 Base36 2oauf4

Cryptographic Hash Functions

md5 bfb54c83821436698521717def8e414f
sha1 38dc45d49f8200856274117e29bb1c0f523ca43f
sha256 16343194b23a10d5f46a8e1f29a66a1f90af1cff647536f4ad27b5ed55f3bb2f
sha512 becbffa6a4c58851bf822f5847ac423299a41010d7aaad7cb0c5cd96a4ad36ec913c163da673450e4d36e53a2abcd6b040b65bb63abc27c668de8c6f86a52c97
ripemd-160 d7cc62f77518b59d5d01bf81d062a347b84ce87d

161749120 as geometric shapes

Circle

Radius = n
Diameter 323498240
Circumference 1016299694.2332
Area 8.2192790599247E+16

Sphere

Radius = n
Volume 1.772614873303E+25
Surface area 3.2877116239699E+17
Circumference 1016299694.2332

Square

Length = n
Perimeter 646996480
Area 26162777820774400
Diagonal 228747799.20591

Cube

Length = n
Surface area 156976666924646400
Volume 4.2318062892658E+24
Space diagonal 280157693.91956

Equilateral Triangle

Length = n
Perimeter 485247360
Area 1.1328815113179E+16
Altitude 140078846.95978

Triangular Pyramid

Length = n
Surface area 1.1328815113179E+16
Volume 4.9872315396795E+23
Height 76249266.401971