398987071 is an odd 9-digits composite number following 398987070
and preceding 398987072 . In scientific notation, it is written as 3.98987071 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 341988912 positive integers (up to 398987071) that are relatively prime to 398987071.
398987071 has 4 divisors, whose sum is 455985232
The reverse of 398987071 is 170789893
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred ninety-eight million nine hundred eighty-seven thousand seventy-one
Scientific notation
3.98987071 × 10^8
Engineering notation
3.98987071 × 10^6
Prime Factorization
7 × 56998153
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
398987071
Product of the distinct prime numbers
The prime factorization of 398987071 is 7 × 56998153.
Since it has a total of 2 prime factors.
5 , 8 , 63 , 22 , 25 , 609 , 1221 , 2542 , 15318 , 58745 , 545083 , 350132 , 6505333 , 6425897 , 70590221 , 85225556 , 825870842 , 815228348 , 3599011052 , 7309845589
n×2
797974142
n×3
1196961213
n×4
1595948284
n×5
1994935355
n÷2
199493535.5
n÷3
132995690.33333
n÷3
99746767.75
n÷5
79797414.2
n2
159190682825159041
n3
6.35150242709E+25
n4
2.534167349834E+34
n5
1.0111000083341E+43
2 √n
19974.660723026
3 √n
736.18383027724
4 √n
141.33173997028
5 √n
52.503924236397
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-398987070
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 398987071 can be divided by 4 positive divisors.
The sum of these divisors (counting 398987071) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111110010000000111100111111
3
Ternary
1000210202122100221
4
Quaternary
113302000330333
5
Quinary
1304120041241
6
Senary
103331402211
8
Octal
2762007477
10
Decimal
398987071
12
Duodecimal
b1753367
16
Hexadecimal
17c80f3f
20
Vigesimal
64dd7db
36
Base36
6ljoe7
md5
2dde1876632b7b952315fc4158212c3d
sha1
bc3a51aed276e35f7ea3d09985a5539bf6b96b06
sha256
0220e2039706049333ef8bb7167c268714360f3604e3403eabb5b6bcfd0b1991
sha512
0dcbbc3cb68111524318d21c8c650910e99dea359ebbb2e1e586146e6dc6d6bbe6a4e9e19bdfdf68cff7e64bdf1f2c7ec7e737eafc9a5f2ef34050a77c2e8feb
ripemd-160
2e35460bf0260c0b16180383fce4b1fa1dbf3119
Diameter
797974142
Circumference
2506909702.2618
Area
5.0011227968346E+17
Volume
2.6605111152272E+26
Surface area
2.0004491187338E+18
Circumference
2506909702.2618
Perimeter
1595948284
Area
159190682825159041
Diagonal
564252927.01972
Surface area
955144096950954246
Volume
6.35150242709E+25
Space diagonal
691065878.53509
Perimeter
1196961213
Area
6.8931587686189E+16
Altitude
345532939.26755
Surface area
6.8931587686189E+16
Volume
7.4853173948636E+24
Height
188084309.00657