161856998 (number)

161856998 is an even 9-digits composite number following 161856997 and preceding 161856999. In scientific notation, it is written as 1.61856998 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 80928498 positive integers (up to 161856998) that are relatively prime to 161856998.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred fifty-six thousand nine hundred ninety-eight

Notation

Scientific notation 1.61856998 × 10^8
Engineering notation 1.61856998 × 10^6

Prime Factorization of 161856998

Prime Factorization 2 × 80928499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161856998
Product of the distinct prime numbers

The prime factorization of 161856998 is 2 × 80928499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 32, 71, 797, 417, 1951, 4393, 58709, 5867, 838763, 798363, 4327747, 6494440, 34707879, 10122656, 550036278, 490044702, 4351962473, 7410707534

Basic calculations (n = 161856998)

Multiplication

n×y
n×2 323713996
n×3 485570994
n×4 647427992
n×5 809284990

Division

n÷y
n÷2 80928499
n÷3 53952332.666667
n÷3 40464249.5
n÷5 32371399.6

Exponentiation

ny
n2 26197687801572004
n3 4.2402791021037E+24
n4 6.8631884614863E+32
n5 1.1108550810844E+41

Nth Root

y√n
2√n 12722.303171989
3√n 544.97572823478
4√n 112.79318761339
5√n 43.835533473133

Divisors of 161856998

1, 2, 80928499, 161856998

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161856997
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161856998 can be divided by 4 positive divisors. The sum of these divisors (counting 161856998) is 1, the average is 0.25.

Base conversion 161856998

Base System Value
2 Binary 1001101001011011110111100110
3 Ternary 102021120012001122
4 Quaternary 21221123313212
5 Quinary 312413410443
6 Senary 24021053542
8 Octal 1151336746
10 Decimal 161856998
12 Duodecimal 462572b2
16 Hexadecimal 9a5bde6
20 Vigesimal 2abc29i
36 Base36 2od5nq

Cryptographic Hash Functions

md5 7aa82638288235eeb1a9fdd72cd439bc
sha1 94826c1d72d9932a8c774494096187c775017ff3
sha256 d8fe2805e5a7c85818536af67bce9798f00f2644c8e3b8a542599957cb8afcb6
sha512 1c5149e5900c69f737f0837130e98ef025315e3e09d8de3fe20627fe3ceb85e30c8620c6f775c1a67bc956b9431e1cffd5abedff4522c37445843b60df81a7d9
ripemd-160 ba663ed650fc66e76c24b1010094dea1d52d8423

161856998 as geometric shapes

Circle

Radius = n
Diameter 323713996
Circumference 1016977511.6978
Area 8.2302463538458E+16

Sphere

Radius = n
Volume 1.7761639568452E+25
Surface area 3.2920985415383E+17
Circumference 1016977511.6978

Square

Length = n
Perimeter 647427992
Area 26197687801572004
Diagonal 228900361.73659

Cube

Length = n
Surface area 157186126809432024
Volume 4.2402791021037E+24
Space diagonal 280344544.09657

Equilateral Triangle

Length = n
Perimeter 485570994
Area 1.1343931578288E+16
Altitude 140172272.04829

Triangular Pyramid

Length = n
Surface area 1.1343931578288E+16
Volume 4.9972168453685E+23
Height 76300120.578865