161016989 (number)

161016989 is an odd 9-digits composite number following 161016988 and preceding 161016990. In scientific notation, it is written as 1.61016989 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 137824344 positive integers (up to 161016989) that are relatively prime to 161016989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61016989 × 10^8
Engineering notation 1.61016989 × 10^6

Prime Factorization of 161016989

Prime Factorization 7 × 7 × 3623 × 907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 23002427
Product of the distinct prime numbers

The prime factorization of 161016989 is 7 × 7 × 3623 × 907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 18, 40, 771, 146, 5280, 4206, 42912, 26136, 610821, 380230, 8469280, 7602875, 35831263, 9104231, 69609508, 568372939, 456300447, 8728496989

Basic calculations (n = 161016989)

Multiplication

n×y
n×2 322033978
n×3 483050967
n×4 644067956
n×5 805084945

Division

n÷y
n÷2 80508494.5
n÷3 53672329.666667
n÷3 40254247.25
n÷5 32203397.8

Exponentiation

ny
n2 25926470746626121
n3 4.1746022550183E+24
n4 6.7218188537566E+32
n5 1.0823270324353E+41

Nth Root

y√n
2√n 12689.246983174
3√n 544.03131690567
4√n 112.6465577955
5√n 43.789939001048

Divisors of 161016989

1, 7, 49, 907, 3623, 6349, 25361, 44443, 177527, 3286061, 23002427, 161016989

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 -161016988
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 161016989 can be divided by 12 positive divisors. The sum of these divisors (counting 161016989) is 1, the average is 0.083333333333333.

Base conversion 161016989

Base System Value
2 Binary 1001100110001110110010011101
3 Ternary 102012222111210012
4 Quaternary 21212032302131
5 Quinary 312210020424
6 Senary 23551053005
8 Octal 1146166235
10 Decimal 161016989
12 Duodecimal 45b11165
16 Hexadecimal 998ec9d
20 Vigesimal 2a67299
36 Base36 2nv5i5

Cryptographic Hash Functions

md5 fd20917e1ff1e463cc1a5f3dee9acb67
sha1 67e5584eece18eaf124c1d2a56a47240c17659a3
sha256 8c5d15a883ba9d505cc24bca7a8163d57b0e5c428bf7f583012831de901bdacc
sha512 5934de81afc08315cfc7b33f04f9af2a6f2e3949a221df832ca24009929351d89c0bc2db5f2d9c679606d2858cd7d71262006c87db47f916421e22b27f86d714
ripemd-160 d35cadd433be2d0486d2084cf7167ede3e446bc0

161016989 as geometric shapes

Circle

Radius = n
Diameter 322033978
Circumference 1011699579.4911
Area 8.1450410031111E+16

Sphere

Radius = n
Volume 1.74865330347E+25
Surface area 3.2580164012445E+17
Circumference 1011699579.4911

Square

Length = n
Perimeter 644067956
Area 25926470746626121
Diagonal 227712409.61628

Cube

Length = n
Surface area 155558824479756726
Volume 4.1746022550183E+24
Space diagonal 278889605.82976

Equilateral Triangle

Length = n
Perimeter 483050967
Area 1.1226491148526E+16
Altitude 139444802.91488

Triangular Pyramid

Length = n
Surface area 1.1226491148526E+16
Volume 4.9198159388002E+23
Height 75904136.53876