161997906 (number)

161997906 is an even 9-digits composite number following 161997905 and preceding 161997907. In scientific notation, it is written as 1.61997906 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 45726480 positive integers (up to 161997906) that are relatively prime to 161997906.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine hundred ninety-seven thousand nine hundred six

Notation

Scientific notation 1.61997906 × 10^8
Engineering notation 1.61997906 × 10^6

Prime Factorization of 161997906

Prime Factorization 2 × 3 × 7 × 83 × 46471

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161997906
Product of the distinct prime numbers

The prime factorization of 161997906 is 2 × 3 × 7 × 83 × 46471. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 67, 59, 162, 63, 7251, 6191, 23653, 79834, 431977, 552035, 2324612, 3577419, 20943323, 91292902, 672673059, 361466576, 1464383749, 7359029476

Basic calculations (n = 161997906)

Multiplication

n×y
n×2 323995812
n×3 485993718
n×4 647991624
n×5 809989530

Division

n÷y
n÷2 80998953
n÷3 53999302
n÷3 40499476.5
n÷5 32399581.2

Exponentiation

ny
n2 26243321548384836
n3 4.251363137323E+24
n4 6.8871192589192E+32
n5 1.1156988983172E+41

Nth Root

y√n
2√n 12727.839801003
3√n 545.1338290429
4√n 112.81772822125
5√n 43.843163205083

Divisors of 161997906

1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 46471, 92942, 139413, 278826, 325297, 650594, 975891, 1951782, 3857093, 7714186, 11571279, 23142558, 26999651, 53999302, 80998953, 161997906

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 -161997905
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 161997906 can be divided by 32 positive divisors. The sum of these divisors (counting 161997906) is 1, the average is 0.03125.

Base conversion 161997906

Base System Value
2 Binary 1001101001111110010001010010
3 Ternary 102021211100100110
4 Quaternary 21221332101102
5 Quinary 312432413111
6 Senary 24024102150
8 Octal 1151762122
10 Decimal 161997906
12 Duodecimal 46304956
16 Hexadecimal 9a7e452
20 Vigesimal 2ac9ef6
36 Base36 2og6du

Cryptographic Hash Functions

md5 c3c58bbb6e1112c9ec0c42db13c197d4
sha1 9e436980144174f729e9aec91c10468a874dff33
sha256 417e64308949705f337875ecd7c2a565abc9b69c978c92d0e109a0873fb51305
sha512 ee5ee8dd813dd2f79af69626ad30576be205b1274413701099a1dbc5b0b4aea5c59df8b03751ffdd007e8664f282c4c775d52090ec02660e57424eb2ebdd8c47
ripemd-160 38dcff5a3d5cd7db7054c4d19abe3407b1bf410f

161997906 as geometric shapes

Circle

Radius = n
Diameter 323995812
Circumference 1017862862.7731
Area 8.2445826182201E+16

Sphere

Radius = n
Volume 1.7808068266609E+25
Surface area 3.297833047288E+17
Circumference 1017862862.7731

Square

Length = n
Perimeter 647991624
Area 26243321548384836
Diagonal 229099635.74124

Cube

Length = n
Surface area 157459929290309016
Volume 4.251363137323E+24
Space diagonal 280588603.91177

Equilateral Triangle

Length = n
Perimeter 485993718
Area 1.1363691570292E+16
Altitude 140294301.95588

Triangular Pyramid

Length = n
Surface area 1.1363691570292E+16
Volume 5.010279506146E+23
Height 76366545.247081