161016988 (number)

161016988 is an even 9-digits composite number following 161016987 and preceding 161016989. In scientific notation, it is written as 1.61016988 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 73189520 positive integers (up to 161016988) that are relatively prime to 161016988.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million sixteen thousand nine hundred eighty-eight

Notation

Scientific notation 1.61016988 × 10^8
Engineering notation 1.61016988 × 10^6

Prime Factorization of 161016988

Prime Factorization 2 × 2 × 11 × 3659477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 80508494
Product of the distinct prime numbers

The prime factorization of 161016988 is 2 × 2 × 11 × 3659477. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 56, 80, 13, 901, 5411, 8127, 39852, 86039, 118383, 86394, 8150962, 5837233, 85822117, 67109910, 370243363, 958327275, 8730250122, 1966457979

Basic calculations (n = 161016988)

Multiplication

n×y
n×2 322033976
n×3 483050964
n×4 644067952
n×5 805084940

Division

n÷y
n÷2 80508494
n÷3 53672329.333333
n÷3 40254247
n÷5 32203397.6

Exponentiation

ny
n2 25926470424592144
n3 4.1746021772389E+24
n4 6.7218186867725E+32
n5 1.0823269988262E+41

Nth Root

y√n
2√n 12689.246943771
3√n 544.03131577943
4√n 112.6465576206
5√n 43.789938946656

Divisors of 161016988

1, 2, 4, 11, 22, 44, 3659477, 7318954, 14637908, 40254247, 80508494, 161016988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161016987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161016988 can be divided by 12 positive divisors. The sum of these divisors (counting 161016988) is 1, the average is 0.083333333333333.

Base conversion 161016988

Base System Value
2 Binary 1001100110001110110010011100
3 Ternary 102012222111210011
4 Quaternary 21212032302130
5 Quinary 312210020423
6 Senary 23551053004
8 Octal 1146166234
10 Decimal 161016988
12 Duodecimal 45b11164
16 Hexadecimal 998ec9c
20 Vigesimal 2a67298
36 Base36 2nv5i4

Cryptographic Hash Functions

md5 5719d14a7dc2c0b980a57d9f30d58210
sha1 380337b4f2f76974642c11f8edcd70872045bdc9
sha256 ba072ae965889898afa3523c61d19a6221d614f64dbc9eecb2be7f6463b27edb
sha512 d4056bf4a91287feb6a32cd5a5b0c1b8ddccc404b4286d20ccc83edc3ffe2b8b5a16ed68021b46d6994a30d3310fed9801cc7ed3a16dfa9dda633e8f30880fef
ripemd-160 a9e5ad3f9f0dee002c6b4a84aabeac5cc0a187d0

161016988 as geometric shapes

Circle

Radius = n
Diameter 322033976
Circumference 1011699573.2079
Area 8.1450409019412E+16

Sphere

Radius = n
Volume 1.7486532708898E+25
Surface area 3.2580163607765E+17
Circumference 1011699573.2079

Square

Length = n
Perimeter 644067952
Area 25926470424592144
Diagonal 227712408.20207

Cube

Length = n
Surface area 155558822547552864
Volume 4.1746021772389E+24
Space diagonal 278889604.09771

Equilateral Triangle

Length = n
Perimeter 483050964
Area 1.1226491009081E+16
Altitude 139444802.04885

Triangular Pyramid

Length = n
Surface area 1.1226491009081E+16
Volume 4.9198158471363E+23
Height 75904136.067355