161005961 (number)

161005961 is an odd 9-digits prime number following 161005960 and preceding 161005962. In scientific notation, it is written as 1.61005961 × 10^8. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 161005960 positive integers (up to 161005961) that are relatively prime to 161005961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61005961 × 10^8
Engineering notation 1.61005961 × 10^6

Prime Factorization of 161005961

Prime Factorization 161005961

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 161005961
Product of the distinct prime numbers

The prime factorization of 161005961 is 161005961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 1, 90, 66, 300, 33, 7319, 1971, 2369, 96280, 446827, 701718, 1559828, 3954313, 97402953, 16505195, 994292248, 801766335, 1991991945, 9144159567

Basic calculations (n = 161005961)

Multiplication

n×y
n×2 322011922
n×3 483017883
n×4 644023844
n×5 805029805

Division

n÷y
n÷2 80502980.5
n÷3 53668653.666667
n÷3 40251490.25
n÷5 32201192.2

Exponentiation

ny
n2 25922919477533521
n3 4.1737445624059E+24
n4 6.7199775423869E+32
n5 1.0819564421104E+41

Nth Root

y√n
2√n 12688.812434582
3√n 544.01889644748
4√n 112.64462896464
5√n 43.789339152944

Divisors of 161005961

1, 161005961

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 161005962
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 80502981
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 12688.812473987
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999875781
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161005961 can be divided by 2 positive divisors. The sum of these divisors (counting 161005961) is 161005962, the average is 80502981.

Base conversion 161005961

Base System Value
2 Binary 1001100110001100000110001001
3 Ternary 102012221221122202
4 Quaternary 21212030012021
5 Quinary 312204142321
6 Senary 23550525545
8 Octal 1146140611
10 Decimal 161005961
12 Duodecimal 45b068b5
16 Hexadecimal 998c189
20 Vigesimal 2a65ei1
36 Base36 2nuwzt

Cryptographic Hash Functions

md5 07b3968abe099f8082657ed10396b649
sha1 0938ac58955be99595de130e952e631d6261c2bc
sha256 35e88613e6ed32ac76eec5c792a3b568e98f504f8188ac34dd885e9c7b04b18f
sha512 ac917b5224054e03e577adbfbfc34590284142bd5b7096dd8458bb60ab75a2b954a98e4e0573bd3bf80c356d14fda3bad80f3f7b728e6e6ebd5a743b4ae7acf4
ripemd-160 0505b5f3a088d1fb9a8179897d35c377daa6ede0

161005961 as geometric shapes

Circle

Radius = n
Diameter 322011922
Circumference 1011630288.5235
Area 8.1439253390219E+16

Sphere

Radius = n
Volume 1.7482940340286E+25
Surface area 3.2575701356088E+17
Circumference 1011630288.5235

Square

Length = n
Perimeter 644023844
Area 25922919477533521
Diagonal 227696813.66911

Cube

Length = n
Surface area 155537516865201126
Volume 4.1737445624059E+24
Space diagonal 278870504.77345

Equilateral Triangle

Length = n
Perimeter 483017883
Area 1.1224953403901E+16
Altitude 139435252.38673

Triangular Pyramid

Length = n
Surface area 1.1224953403901E+16
Volume 4.9188051383628E+23
Height 75898937.889705