1661625 is an odd 7-digits composite number following 1661624
and preceding 1661626 . In scientific notation, it is written as 1.661625 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 756000 positive integers (up to 1661625) that are relatively prime to 1661625.
1661625 has 16 divisors, whose sum is 2116608
The reverse of 1661625 is 5261661
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
one million six hundred sixty-one thousand six hundred twenty-five
Scientific notation
1.661625 × 10^6
Engineering notation
1.661625 × 10^6
Prime Factorization
63 × 5 × 25 × 211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1661625
Product of the distinct prime numbers
The prime factorization of 1661625 is 63 × 5 × 25 × 211.
Since it has a total of 4 prime factors.
6 , 3 , 8 , 6 , 492 , 296 , 1714 , 4546 , 42052 , 7093 , 199872 , 847759 , 3042097 , 6940029 , 74843446 , 15251641 , 570430720 , 4008928 , 6343646270 , 2020957365
n×2
3323250
n×3
4984875
n×4
6646500
n×5
8308125
n÷2
830812.5
n÷3
553875
n÷3
415406.25
n÷5
332325
n2
2760997640625
n3
4587742704603515625
n4
7.6231079715368E+24
n5
1.2666746783205E+31
2 √n
1289.0403407186
3 √n
118.44343826321
4 √n
35.903207944676
5 √n
17.543110687678
1 , 5 , 25 , 63 , 125 , 211 , 315 , 1055 , 1575 , 5275 , 7875 , 13293 , 26375 , 66465 , 332325 , 1661625
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661625 can be divided by 16 positive divisors.
The sum of these divisors (counting 1661625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010101101010111001
3
Ternary
10010102022200
4
Quaternary
12111222321
5
Quinary
411133000
6
Senary
55340413
8
Octal
6255271
10
Decimal
1661625
12
Duodecimal
681709
16
Hexadecimal
195ab9
20
Vigesimal
a7e15
36
Base36
zm49
md5
92077b8d49b52e0956b673b68c08016d
sha1
8eaf4d709170bb7d16c679c93a1ef886555be0c2
sha256
8a0a0acc58e010fd13c7baa1dd23dda1a4ed18e0cdf03e385a76725795e6360e
sha512
35041a7e0276b6b7ac3f9248ae2f19d9ec2278397e234755359bbda57b277a71aacaaa9b748ad0dd0ba88d349e26bf55aa281b9c33a1334684d751a1a7c53620
ripemd-160
1a2baf1dfc05a0ffe5fb026d47a472ec8db015a6
Diameter
3323250
Circumference
10440297.786042
Area
8673929904366.3
Volume
1.9217091703123E+19
Surface area
34695719617465
Circumference
10440297.786042
Perimeter
6646500
Area
2760997640625
Diagonal
2349892.6105782
Surface area
16565985843750
Volume
4587742704603515625
Space diagonal
2878018.9231266
Perimeter
4984875
Area
1195547048285.1
Altitude
1439009.4615633
Surface area
1195547048285.1
Volume
5.4067066279404E+17
Height
783297.5368594