1987746 is an even 7-digits composite number following 1987745
and preceding 1987747 . In scientific notation, it is written as 1.987746 × 10^6.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 651600 positive integers (up to 1987746) that are relatively prime to 1987746.
1987746 has 16 divisors, whose sum is 4041408
The reverse of 1987746 is 6477891
Previous prime number is 61
Is Prime? no
Number parity even
Number length 7
Sum of Digits 42
Digital Root 6
Name
one million nine hundred eighty-seven thousand seven hundred forty-six
Scientific notation
1.987746 × 10^6
Engineering notation
1.987746 × 10^6
Prime Factorization
2 × 3 × 61 × 5431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1987746
Product of the distinct prime numbers
The prime factorization of 1987746 is 2 × 3 × 61 × 5431.
Since it has a total of 4 prime factors.
5 , 3 , 99 , 29 , 776 , 596 , 4098 , 6506 , 56429 , 80539 , 477765 , 720423 , 5435660 , 4157270 , 63214957 , 65295859 , 112646306 , 579482509 , 6618594508 , 6076496887
n×2
3975492
n×3
5963238
n×4
7950984
n×5
9938730
n÷2
993873
n÷3
662582
n÷3
496936.5
n÷5
397549.2
n2
3951134160516
n3
7853851123029036936
n4
1.5611461154396E+25
n5
3.1031619463807E+31
2 √n
1409.8744624966
3 √n
125.73425978867
4 √n
37.548295067773
5 √n
18.183277959281
1 , 2 , 3 , 6 , 61 , 122 , 183 , 366 , 5431 , 10862 , 16293 , 32586 , 331291 , 662582 , 993873 , 1987746
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
-1987745
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 1987746 can be divided by 16 positive divisors.
The sum of these divisors (counting 1987746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100101010010100010
3
Ternary
10201222200020
4
Quaternary
13211102202
5
Quinary
1002101441
6
Senary
110334310
8
Octal
7452242
10
Decimal
1987746
12
Duodecimal
7ba396
16
Hexadecimal
1e54a2
20
Vigesimal
c8976
36
Base36
16lr6
md5
bbce5b80dc8fc9c8fd28b2093965c142
sha1
dcb9bbb0e1945f2458eecdc5be070c0e05c788e9
sha256
ca57a57c5458131bf4e17405ded6a62bde8ed60cd621a49a254e3af4237abb81
sha512
40d07713bbeef64db8b58052c1441b1611b9c3fc009a4c4e1e32ce49148c9d60d78775c1bbe38e40e31040468704d98bfa576c0b98c3546a99eaa91160022416
ripemd-160
7fe7910f54a2f26ec6d90689bd03d994bb6759a3
Diameter
3975492
Circumference
12489376.461605
Area
12412854052025
Volume
3.2898134653995E+19
Surface area
49651416208099
Circumference
12489376.461605
Perimeter
7950984
Area
3951134160516
Diagonal
2811097.3517529
Surface area
23706804963096
Volume
7853851123029036936
Space diagonal
3442877.0645418
Perimeter
5963238
Area
1710891278383.7
Altitude
1721438.5322709
Surface area
1710891278383.7
Volume
9.255852312539E+17
Height
937032.45058429