398366987 is an odd 9-digits composite number following 398366986
and preceding 398366988 . In scientific notation, it is written as 3.98366987 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 394712136 positive integers (up to 398366987) that are relatively prime to 398366987.
398366987 has 4 divisors, whose sum is 402021840
The reverse of 398366987 is 789663893
Previous prime number is 109
Is Prime? no Number parity odd Number length 9 Sum of Digits 59 Digital Root 5
Name
three hundred ninety-eight million three hundred sixty-six thousand nine hundred eighty-seven
Scientific notation
3.98366987 × 10^8
Engineering notation
3.98366987 × 10^6
Prime Factorization
109 × 3654743
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
398366987 Product of the distinct prime numbers
The prime factorization of 398366987 is 109 × 3654743.
Since it has a total of 2 prime factors.
5 , 2 , 57 , 10 , 870 , 659 , 2635 , 752 , 66819 , 97630 , 312988 , 627470 , 5067903 , 7599770 , 73308613 , 78894375 , 85004605 , 695811669 , 9355557244 , 1811499089
n×2
796733974
n×3
1195100961
n×4
1593467948
n×5
1991834935
n÷2
199183493.5
n÷3
132788995.66667
n÷3
99591746.75
n÷5
79673397.4
n2
158696256331458169
n3
6.3219349482943E+25
n4
2.518450177362E+34
n5
1.0032674090653E+43
2 √n19959.132922048
3 √n735.80225358066
4 √n141.27679541258
5 √n52.487594333075
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
-398366986 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 398366987 can be divided by 4 positive divisors.
The sum of these divisors (counting 398366987) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111101111101001100100001011
3
Ternary
1000202121010202212
4
Quaternary
113233221210023
5
Quinary
1303440220422
6
Senary
103310215335
8
Octal
2757514413
10
Decimal
398366987
12
Duodecimal
b14b454b
16
Hexadecimal
17be990b
20
Vigesimal
649fh97
36
Base36
6l6dxn
md5
0769c4c2e03be37ed6ab9fd72b257974
sha1
c870f15913cd433d202fc2a6cdedcae258408169
sha256
1efadbf905fef993ae998eb7ae5b958ec9fff66c5448870b39de2dbb96b0321e
sha512
477cf29666ed9c346ad52989efa380a407335825d613055c28baa54e46495d64664774da3d2a291523ef756d4cb14c00782ff28969aecf017d888ff53acf09f2
ripemd-160
5f481cb9e59a82eb55e3a049490e837df576f160
Diameter
796733974
Circumference
2503013599.5838
Area
4.9855899304311E+17
Volume
2.6481259186712E+26
Surface area
1.9942359721724E+18
Circumference
2503013599.5838
Perimeter
1593467948
Area
158696256331458169
Diagonal
563375995.81711
Surface area
952177537988749014
Volume
6.3219349482943E+25
Space diagonal
689991861.54213
Perimeter
1195100961
Area
6.8717494734265E+16
Altitude
344995930.77107
Surface area
6.8717494734265E+16
Volume
7.4504717869318E+24
Height
187791998.6057