161855688 (number)

161855688 is an even 9-digits composite number following 161855687 and preceding 161855689. In scientific notation, it is written as 1.61855688 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 53951888 positive integers (up to 161855688) that are relatively prime to 161855688.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred fifty-five thousand six hundred eighty-eight

Notation

Scientific notation 1.61855688 × 10^8
Engineering notation 1.61855688 × 10^6

Prime Factorization of 161855688

Prime Factorization 2 × 2 × 2 × 3 × 6743987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40463922
Product of the distinct prime numbers

The prime factorization of 161855688 is 2 × 2 × 2 × 3 × 6743987. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 7, 47, 97, 152, 474, 1135, 9761, 66974, 45815, 165288, 34386, 9703455, 4920771, 10633254, 4937047, 372556607, 286957177, 4034508895, 9963550530

Basic calculations (n = 161855688)

Multiplication

n×y
n×2 323711376
n×3 485567064
n×4 647422752
n×5 809278440

Division

n÷y
n÷2 80927844
n÷3 53951896
n÷3 40463922
n÷5 32371137.6

Exponentiation

ny
n2 26197263737953344
n3 4.2401761460239E+24
n4 6.8629662735589E+32
n5 1.1108101279277E+41

Nth Root

y√n
2√n 12722.251687496
3√n 544.97425796547
4√n 112.79295938797
5√n 43.835462515763

Divisors of 161855688

1, 2, 3, 4, 6, 8, 12, 24, 6743987, 13487974, 20231961, 26975948, 40463922, 53951896, 80927844, 161855688

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161855687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161855688 can be divided by 16 positive divisors. The sum of these divisors (counting 161855688) is 1, the average is 0.0625.

Base conversion 161855688

Base System Value
2 Binary 1001101001011011100011001000
3 Ternary 102021120010021010
4 Quaternary 21221123203020
5 Quinary 312413340223
6 Senary 24021043520
8 Octal 1151334310
10 Decimal 161855688
12 Duodecimal 462565a0
16 Hexadecimal 9a5b8c8
20 Vigesimal 2abbj48
36 Base36 2od4nc

Cryptographic Hash Functions

md5 f045185117045837f4c647f30fd4a08d
sha1 4ac8d49c74bf494184f28767f11c37529eaf8f93
sha256 9808639cc124d7fc3d90b388839bb48e4fc776ef650e196144b234f6d7f3f04e
sha512 a0cd79323e8a76ac443af3b4d4f6823e60abdc3cbdd1575d0d24f839a2b6c4f7cf0701e5e0c908314a09f87193d44647a99a6d3b44e6ccd57aceff5e0e2a55d1
ripemd-160 aa2be89b03fe9b0beaf87105742e5899ff9a8933

161855688 as geometric shapes

Circle

Radius = n
Diameter 323711376
Circumference 1016969280.725
Area 8.2301131303309E+16

Sphere

Radius = n
Volume 1.7761208307034E+25
Surface area 3.2920452521323E+17
Circumference 1016969280.725

Square

Length = n
Perimeter 647422752
Area 26197263737953344
Diagonal 228898509.11683

Cube

Length = n
Surface area 157183582427720064
Volume 4.2401761460239E+24
Space diagonal 280342275.11002

Equilateral Triangle

Length = n
Perimeter 485567064
Area 1.1343747953354E+16
Altitude 140171137.55501

Triangular Pyramid

Length = n
Surface area 1.1343747953354E+16
Volume 4.9970955104649E+23
Height 76299503.038943