161019980 (number)

161019980 is an even 9-digits composite number following 161019979 and preceding 161019981. In scientific notation, it is written as 1.61019980 × 10^8. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 58552640 positive integers (up to 161019980) that are relatively prime to 161019980.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nineteen thousand nine hundred eighty

Notation

Scientific notation 1.61019980 × 10^8
Engineering notation 1.61019980 × 10^6

Prime Factorization of 161019980

Prime Factorization 2 × 2 × 5 × 11 × 731909

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80509990
Product of the distinct prime numbers

The prime factorization of 161019980 is 2 × 2 × 5 × 11 × 731909. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 5, 52, 36, 112, 545, 9736, 3143, 83, 23575, 48143, 225708, 4279942, 2674576, 47882843, 35481002, 931307713, 839987568, 2062296126, 7119023049

Basic calculations (n = 161019980)

Multiplication

n×y
n×2 322039960
n×3 483059940
n×4 644079920
n×5 805099900

Division

n÷y
n÷2 80509990
n÷3 53673326.666667
n÷3 40254995
n÷5 32203996

Exponentiation

ny
n2 25927433959200400
n3 4.1748348975618E+24
n4 6.722318317087E+32
n5 1.082427560971E+41

Nth Root

y√n
2√n 12689.36483832
3√n 544.03468546862
4√n 112.64708091345
5√n 43.790101685415

Divisors of 161019980

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 731909, 1463818, 2927636, 3659545, 7319090, 8050999, 14638180, 16101998, 32203996, 40254995, 80509990, 161019980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161019979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161019980 can be divided by 24 positive divisors. The sum of these divisors (counting 161019980) is 1, the average is 0.041666666666667.

Base conversion 161019980

Base System Value
2 Binary 1001100110001111100001001100
3 Ternary 102012222122212222
4 Quaternary 21212033201030
5 Quinary 312210114410
6 Senary 23551114512
8 Octal 1146174114
10 Decimal 161019980
12 Duodecimal 45b12a38
16 Hexadecimal 998f84c
20 Vigesimal 2a679j0
36 Base36 2nv7t8

Cryptographic Hash Functions

md5 5652d2656de8ada46652da445a29e9e3
sha1 e42f1a8067dbae241fdd7cb14ff93935e80cb120
sha256 e6f550ac44685b69776e4cf52747a5bcb4ad85d02e8f6202b7721c314a1c9412
sha512 8f4a86658928c78128617c9fcbc866727b78a1d091339e0ae4d21014b960153516ce9c24d382996d4359817dd0e93aafcbd7bdc9301ed738248cb8b15a6631b4
ripemd-160 3f5223c3dc0920b005311db078199a8b9ad678c4

161019980 as geometric shapes

Circle

Radius = n
Diameter 322039960
Circumference 1011718372.4984
Area 8.1453436052658E+16

Sphere

Radius = n
Volume 1.7487507525507E+25
Surface area 3.2581374421063E+17
Circumference 1011718372.4984

Square

Length = n
Perimeter 644079920
Area 25927433959200400
Diagonal 227716639.52904

Cube

Length = n
Surface area 155564603755202400
Volume 4.1748348975618E+24
Space diagonal 278894786.39372

Equilateral Triangle

Length = n
Perimeter 483059940
Area 1.1226908231805E+16
Altitude 139447393.19686

Triangular Pyramid

Length = n
Surface area 1.1226908231805E+16
Volume 4.920090110667E+23
Height 75905546.509682