397488921 is an odd 9-digits composite number following 397488920
and preceding 397488922 . In scientific notation, it is written as 3.97488921 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 253211904 positive integers (up to 397488921) that are relatively prime to 397488921.
397488921 has 16 divisors, whose sum is 553593984
The reverse of 397488921 is 129884793
Previous prime number is 1237
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred ninety-seven million four hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
3.97488921 × 10^8
Engineering notation
3.97488921 × 10^6
Prime Factorization
3 × 23 × 1237 × 4657
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
397488921
Product of the distinct prime numbers
The prime factorization of 397488921 is 3 × 23 × 1237 × 4657.
Since it has a total of 4 prime factors.
10 , 3 , 56 , 51 , 576 , 338 , 3049 , 9437 , 66451 , 13158 , 714290 , 227368 , 3058854 , 9323069 , 27256976 , 18881545 , 343138787 , 262083031 , 8539839135 , 9168505711
n×2
794977842
n×3
1192466763
n×4
1589955684
n×5
1987444605
n÷2
198744460.5
n÷3
132496307
n÷3
99372230.25
n÷5
79497784.2
n2
157997442317744241
n3
6.280223286764E+25
n4
2.4963191778949E+34
n5
9.9225921649305E+42
2 √n
19937.124190815
3 √n
735.26124638909
4 √n
141.19888169109
5 √n
52.464435657206
1 , 3 , 23 , 69 , 1237 , 3711 , 4657 , 13971 , 28451 , 85353 , 107111 , 321333 , 5760709 , 17282127 , 132496307 , 397488921
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
-397488920
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 397488921 can be divided by 16 positive divisors.
The sum of these divisors (counting 397488921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111101100010011001100011001
3
Ternary
1000200221112021220
4
Quaternary
113230103030121
5
Quinary
1303224121141
6
Senary
103235322253
8
Octal
2754231431
10
Decimal
397488921
12
Duodecimal
b1150389
16
Hexadecimal
17b13319
20
Vigesimal
6446261
36
Base36
6knkex
md5
dea7d55ea055f3949b038cf3c1802361
sha1
e0da989acf1700157f1bc86f8f429e56234606fe
sha256
2156e6b830e96220c83044738053b769658ad59d96f34450d69a633324836c69
sha512
bed294934fa4bc333bc0c32b6de7d950f1f3acfe90b7e984bf3f57f8807f661edb81d4c0da37840e39eb93147bca303fbc9182ce10ffe4690c76a370f54ed61f
ripemd-160
70b3b549906cf500a1f092ff6c3f7cc1570eb8bf
Diameter
794977842
Circumference
2497496548.1939
Area
4.963636040714E+17
Volume
2.6306537787468E+26
Surface area
1.9854544162856E+18
Circumference
2497496548.1939
Perimeter
1589955684
Area
157997442317744241
Diagonal
562134222.97125
Surface area
947984653906465446
Volume
6.280223286764E+25
Space diagonal
688471006.61773
Perimeter
1192466763
Area
6.8414899390067E+16
Altitude
344235503.30887
Surface area
6.8414899390067E+16
Volume
7.4013141223941E+24
Height
187378074.32375