628984921 is an odd 9-digits composite number following 628984920
and preceding 628984922 . In scientific notation, it is written as 6.28984921 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 591985792 positive integers (up to 628984921) that are relatively prime to 628984921.
628984921 has 4 divisors, whose sum is 665984052
The reverse of 628984921 is 129489826
Previous prime number is 17
Is Prime? no Number parity odd Number length 9 Sum of Digits 49 Digital Root 4
Name
six hundred twenty-eight million nine hundred eighty-four thousand nine hundred twenty-one
Scientific notation
6.28984921 × 10^8
Engineering notation
6.28984921 × 10^6
Prime Factorization
17 × 36999113
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
628984921 Product of the distinct prime numbers
The prime factorization of 628984921 is 17 × 36999113.
Since it has a total of 2 prime factors.
3 , 10 , 67 , 9 , 250 , 125 , 4116 , 110 , 54656 , 29187 , 90121 , 298691 , 7827618 , 2483866 , 86856093 , 97152981 , 572396727 , 708695260 , 8045645 , 282164193
n×2
1257969842
n×3
1886954763
n×4
2515939684
n×5
3144924605
n÷2
314492460.5
n÷3
209661640.33333
n÷3
157246230.25
n÷5
125796984.2
n2
395622030845376241
n3
2.4884029181714E+26
n4
1.5651679129022E+35
n5
9.8446701604852E+43
2 √n25079.571786615
3 √n856.80122351235
4 √n158.36531118466
5 √n57.507971229936
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
-628984920 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 628984921 can be divided by 4 positive divisors.
The sum of these divisors (counting 628984921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011111011000110001011001
3
Ternary
1121211112202002211
4
Quaternary
211133120301121
5
Quinary
2242010004141
6
Senary
142225155121
8
Octal
4537306131
10
Decimal
628984921
12
Duodecimal
15678baa1
16
Hexadecimal
257d8c59
20
Vigesimal
9gb3261
36
Base36
aehbvd
md5
cdd1a52a5a27136590922d1b9200e7ac
sha1
ff8f25d407cdbd0087019614f0ab2767222349be
sha256
cb38debdf6e9871ea8c2c93b4c33a87f0d8707bf0cd7457a800264284819f1dd
sha512
89039e36a794c195c5bde7169b80795934b42d97ce070d0464752d2b3698fae4f1263d18d58f96f80735ed0c2e5aaf9dd8256103c839d760602962619acaced6
ripemd-160
853fbdbad2f59077a169f337b15a51e691b0154c
Diameter
1257969842
Circumference
3952028814.0647
Area
1.2428832657021E+18
Volume
1.0423397769198E+27
Surface area
4.9715330628084E+18
Circumference
3952028814.0647
Perimeter
2515939684
Area
395622030845376241
Diagonal
889519005.80637
Surface area
2373732185072257446
Volume
2.4884029181714E+26
Space diagonal
1089433840.3667
Perimeter
1886954763
Area
1.7130936450444E+17
Altitude
544716920.18335
Surface area
1.7130936450444E+17
Volume
2.932610962939E+25
Height
296506335.26879