161870420 is an even 9-digits composite number following 161870419
and preceding 161870421 . In scientific notation, it is written as 1.61870420 × 10^8.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 64688000 positive integers (up to 161870420) that are relatively prime to 161870420.
161870420 has 24 divisors, whose sum is 340243848
The reverse of 161870420 is 024078161
Previous prime number is 1301
Is Prime? no Number parity even Number length 9 Sum of Digits 29 Digital Root 2
Name
one hundred sixty-one million eight hundred seventy thousand four hundred twenty
Scientific notation
1.61870420 × 10^8
Engineering notation
1.61870420 × 10^6
Prime Factorization
2 × 2 × 5 × 1301 × 6221
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
80935210 Product of the distinct prime numbers
The prime factorization of 161870420 is 2 × 2 × 5 × 1301 × 6221.
Since it has a total of 5 prime factors.
3 , 7 , 69 , 87 , 918 , 981 , 8738 , 5029 , 6299 , 53578 , 448022 , 325274 , 336294 , 3586985 , 42843144 , 97459809 , 382021053 , 547443431 , 372388091 , 6698169628
n×2
323740840
n×3
485611260
n×4
647481680
n×5
809352100
n÷2
80935210
n÷3
53956806.666667
n÷3
40467605
n÷5
32374084
n2
26202032870976400
n3
4.2413340656788E+24
n4
6.8654652657173E+32
n5
1.1113157460571E+41
2 √n12722.830659881
3 √n544.9907918653
4 √n112.79552588592
5 √n43.836260461799
1 , 2 , 4 , 5 , 10 , 20 , 1301 , 2602 , 5204 , 6221 , 6505 , 12442 , 13010 , 24884 , 26020 , 31105 , 62210 , 124420 , 8093521 , 16187042 , 32374084 , 40467605 , 80935210 , 161870420
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
-161870419 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 161870420 can be divided by 24 positive divisors.
The sum of these divisors (counting 161870420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001011111001001010100
3
Ternary
102021120212110202
4
Quaternary
21221133021110
5
Quinary
312414323140
6
Senary
24021240032
8
Octal
1151371124
10
Decimal
161870420
12
Duodecimal
46263018
16
Hexadecimal
9a5f254
20
Vigesimal
2abdg10
36
Base36
2odg0k
md5
a3d4c21635fcd72feb2f300e02fefd0c
sha1
235970d2d2053060c6fc95cb1fc715114f6c472b
sha256
e28b46d77b3c9cf0f6e8a671036a3db1e947423d179259323a59967442bff5a3
sha512
dd621a12f49d281cb6fcb478e8fd6a60fbc390ce6df3dd7a8bc27e5827dbe161b24b00655324b085b2ef645c83464651b01f75300b5917fd3ddcb896f178859d
ripemd-160
79a02fd6782f025358ace74b098fca16380fd30c
Diameter
323740840
Circumference
1017061844.611
Area
8.2316113976578E+16
Volume
1.7766058589542E+25
Surface area
3.2926445590631E+17
Circumference
1017061844.611
Perimeter
647481680
Area
26202032870976400
Diagonal
228919343.31103
Surface area
157212197225858400
Volume
4.2413340656788E+24
Space diagonal
280367791.68251
Perimeter
485611260
Area
1.134581304853E+16
Altitude
140183895.84126
Surface area
1.134581304853E+16
Volume
4.9984601318649E+23
Height
76306447.770343