1998917 is an odd 7-digits prime number following 1998916
and preceding 1998918 . In scientific notation, it is written as 1.998917 × 10^6.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 1998916 positive integers (up to 1998917) that are relatively prime to 1998917.
1998917 has 2 divisors, whose sum is 1998918
The reverse of 1998917 is 7198991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 44
Digital Root 8
Name
one million nine hundred ninety-eight thousand nine hundred seventeen
Scientific notation
1.998917 × 10^6
Engineering notation
1.998917 × 10^6
Prime Factorization
1998917
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1998917
Product of the distinct prime numbers
The prime factorization of 1998917 is 1998917.
Since it has a total of 1 prime factors.
9 , 2 , 96 , 2 , 102 , 429 , 3373 , 9565 , 64994 , 333 , 799183 , 889010 , 9781758 , 3521007 , 77941713 , 18897939 , 26456018 , 426198894 , 6679772421 , 1691719894
n×2
3997834
n×3
5996751
n×4
7995668
n×5
9994585
n÷2
999458.5
n÷3
666305.66666667
n÷3
499729.25
n÷5
399783.4
n2
3995669172889
n3
7987011036063761213
n4
1.5965372139175E+25
n5
3.1913453780324E+31
2 √n
1413.8306122022
3 √n
125.96935930845
4 √n
37.600938980326
5 √n
18.203669932026
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1998918
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
999459
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1413.8309658513
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999989994587
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998917 can be divided by 2 positive divisors.
The sum of these divisors (counting 1998917) is 1998918, the average is 999459.
Base
System
Value
2
Binary
111101000000001000101
3
Ternary
10202112222222
4
Quaternary
13220001011
5
Quinary
1002431132
6
Senary
110502125
8
Octal
7500105
10
Decimal
1998917
12
Duodecimal
804945
16
Hexadecimal
1e8045
20
Vigesimal
c9h5h
36
Base36
16udh
md5
d17d963b25fb974f4d8c899ee4ce7e96
sha1
8af96f69231f61a0d35095a023acb59acacc5989
sha256
742b8a7e6d15936ce914582d4bd2eb6c4b35c2ba3926df05a01d6dd661f0c44a
sha512
547fdb87d1487b0ec261974f21c3ceedf1f4d00300e7251b3e7222108f65419b9b3355a330ceaccf91875ad7c96c62ff48bba03cbf9e6ce3a3a1684a2a27cf77
ripemd-160
b674da978fafe3c9cff42dc648f811627446120a
Diameter
3997834
Circumference
12559565.924671
Area
12552764919723
Volume
3.3455913593385E+19
Surface area
50211059678893
Circumference
12559565.924671
Perimeter
7995668
Area
3995669172889
Diagonal
2826895.5314581
Surface area
23974015037334
Volume
7987011036063761213
Space diagonal
3462225.8041132
Perimeter
5996751
Area
1730175504420.1
Altitude
1731112.9020566
Surface area
1730175504420.1
Volume
9.4127827750208E+17
Height
942298.51048605