161878672 (number)

161878672 is an even 9-digits composite number following 161878671 and preceding 161878673. In scientific notation, it is written as 1.61878672 × 10^8. The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors. There are 80887328 positive integers (up to 161878672) that are relatively prime to 161878672.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61878672 × 10^8
Engineering notation 1.61878672 × 10^6

Prime Factorization of 161878672

Prime Factorization 2 × 2 × 2 × 2 × 3923 × 2579

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20234834
Product of the distinct prime numbers

The prime factorization of 161878672 is 2 × 2 × 2 × 2 × 3923 × 2579. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161878672)

Multiplication

n×y
n×2 323757344
n×3 485636016
n×4 647514688
n×5 809393360

Division

n÷y
n÷2 80939336
n÷3 53959557.333333
n÷3 40469668
n÷5 32375734.4

Exponentiation

ny
n2 26204704448483584
n3 4.241982756273E+24
n4 6.8668653523238E+32
n5 1.111599044037E+41

Nth Root

y√n
2√n 12723.154954649
3√n 545.00005274527
4√n 112.79696341058
5√n 43.836707398856

Divisors of 161878672

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161878671
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161878672 can be divided by 20 positive divisors. The sum of these divisors (counting 161878672) is 1, the average is 0.05.

Base conversion 161878672

Base System Value
2 Binary 1001101001100001001010010000
3 Ternary 102021121021210101
4 Quaternary 21221201022100
5 Quinary 312420104142
6 Senary 24021342144
8 Octal 1151411220
10 Decimal 161878672
12 Duodecimal 46267954
16 Hexadecimal 9a61290
20 Vigesimal 2abegdc
36 Base36 2odmds

Cryptographic Hash Functions

md5 74cef7a625b793d397e4be95b10c804e
sha1 59ac4910fe125af53bedd528d8077efde6f540f5
sha256 d3518b7854212e670de757d6a57981a62e2b35e4ca3033a1da61bc43e4329136
sha512 38a79b4efa82907f20a76486cd776819200d27bd3a24f88c1a3ca5d3ef47d87dfd41c92f743cfbda226b15a1dda3b204f3bc74de9158ae78d998711ba7ae027c
ripemd-160 dad104dbf98ad42237af0a53ab0bad02364e2b11

161878672 as geometric shapes

Circle

Radius = n
Diameter 323757344
Circumference 1017113693.4561
Area 8.2324506984848E+16

Sphere

Radius = n
Volume 1.7768775818349E+25
Surface area 3.2929802793939E+17
Circumference 1017113693.4561

Square

Length = n
Perimeter 647514688
Area 26204704448483584
Diagonal 228931013.40135

Cube

Length = n
Surface area 157228226690901504
Volume 4.241982756273E+24
Space diagonal 280382084.56578

Equilateral Triangle

Length = n
Perimeter 485636016
Area 1.1346969875525E+16
Altitude 140191042.28289

Triangular Pyramid

Length = n
Surface area 1.1346969875525E+16
Volume 4.9992246210618E+23
Height 76310337.800449