161551155 (number)

161551155 is an odd 9-digits composite number following 161551154 and preceding 161551156. In scientific notation, it is written as 1.61551155 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 84534528 positive integers (up to 161551155) that are relatively prime to 161551155.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million five hundred fifty-one thousand one hundred fifty-five

Notation

Scientific notation 1.61551155 × 10^8
Engineering notation 1.61551155 × 10^6

Prime Factorization of 161551155

Prime Factorization 15 × 53 × 203209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161551155
Product of the distinct prime numbers

The prime factorization of 161551155 is 15 × 53 × 203209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 24, 9, 922, 922, 4654, 9590, 66100, 48751, 508341, 30595, 8606345, 9522778, 59349558, 71526748, 313286021, 934572671, 7554586627, 3251554717

Basic calculations (n = 161551155)

Multiplication

n×y
n×2 323102310
n×3 484653465
n×4 646204620
n×5 807755775

Division

n÷y
n÷2 80775577.5
n÷3 53850385
n÷3 40387788.75
n÷5 32310231

Exponentiation

ny
n2 26098775681834025
n3 4.2162873554862E+24
n4 6.8114609209069E+32
n5 1.1003993790099E+41

Nth Root

y√n
2√n 12710.277534342
3√n 544.63225198172
4√n 112.73986665923
5√n 43.818954720213

Divisors of 161551155

1, 15, 53, 795, 203209, 3048135, 10770077, 161551155

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161551154
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161551155 can be divided by 8 positive divisors. The sum of these divisors (counting 161551155) is 1, the average is 0.125.

Base conversion 161551155

Base System Value
2 Binary 1001101000010001001100110011
3 Ternary 102020222122112010
4 Quaternary 21220101030303
5 Quinary 312324114110
6 Senary 24010334003
8 Octal 1150211463
10 Decimal 161551155
12 Duodecimal 4612a303
16 Hexadecimal 9a11333
20 Vigesimal 2a9dhhf
36 Base36 2o6lo3

Cryptographic Hash Functions

md5 a6b0285cbdd48c42c164093b3d843916
sha1 4dfbe240213d3a8955d32c4e45f0bb85fb40a612
sha256 f2dbc3f922dde44fc22537b4f25bdc255836baf6f0bcfe2312fef2acbc586d9a
sha512 775e682463e75a4a9b2b4022f68a9d040d2e9beb1dcb954c49ae8b0d137fd9c12135719133fefb37fbc5dec92a273b274622d54e2615df73d3d25b4fd83a4086
ripemd-160 ba45c9a234d34dee8000eecd7cad2f7b315e1336

161551155 as geometric shapes

Circle

Radius = n
Diameter 323102310
Circumference 1015055843.4539
Area 8.1991721949738E+16

Sphere

Radius = n
Volume 1.7661143175225E+25
Surface area 3.2796688779895E+17
Circumference 1015055843.4539

Square

Length = n
Perimeter 646204620
Area 26098775681834025
Diagonal 228467834.41804

Cube

Length = n
Surface area 156592654091004150
Volume 4.2162873554862E+24
Space diagonal 279814808.48143

Equilateral Triangle

Length = n
Perimeter 484653465
Area 1.130110137407E+16
Altitude 139907404.24072

Triangular Pyramid

Length = n
Surface area 1.130110137407E+16
Volume 4.9689423008256E+23
Height 76155944.806013