988890421 is an odd 9-digits composite number following 988890420
and preceding 988890422 . In scientific notation, it is written as 9.88890421 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 956990700 positive integers (up to 988890421) that are relatively prime to 988890421.
988890421 has 4 divisors, whose sum is 1020790144
The reverse of 988890421 is 124098889
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
nine hundred eighty-eight million eight hundred ninety thousand four hundred twenty-one
Scientific notation
9.88890421 × 10^8
Engineering notation
9.88890421 × 10^6
Prime Factorization
31 × 31899691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
988890421
Product of the distinct prime numbers
The prime factorization of 988890421 is 31 × 31899691.
Since it has a total of 2 prime factors.
7 , 1 , 90 , 54 , 824 , 732 , 6973 , 9902 , 89110 , 34316 , 437004 , 644956 , 1619362 , 4268835 , 16413322 , 94269322 , 853033872 , 265336266 , 9396258528 , 7949414440
n×2
1977780842
n×3
2966671263
n×4
3955561684
n×5
4944452105
n÷2
494445210.5
n÷3
329630140.33333
n÷3
247222605.25
n÷5
197778084.2
n2
977904264745557241
n3
9.6704016006193E+26
n4
9.5629675100755E+35
n5
9.4567269670479E+44
2 √n
31446.628134031
3 √n
996.28300808916
4 √n
177.33197155062
5 √n
62.954913857531
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
-988890420
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 988890421 can be divided by 4 positive divisors.
The sum of these divisors (counting 988890421) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111100010100010100110101
3
Ternary
2112220202211122011
4
Quaternary
322330110110311
5
Quinary
4011123443141
6
Senary
242043204221
8
Octal
7274242465
10
Decimal
988890421
12
Duodecimal
237216671
16
Hexadecimal
3af14535
20
Vigesimal
f90b611
36
Base36
gcrcqd
md5
593605640c2ab1fa925b75ea72933d9e
sha1
0d58e293732a0d2b2ababb4919a148485c4a937a
sha256
d1bd24e2fe6737b43a69ae7829804b6d2678e6136edfb40b4b2293cbb51bd24e
sha512
32c6da36f365f1d7dbce0c0e7bb1cac6f48a34be948e08a24bf9777b7129ea12dfedbbe8e6381a5d64e1d580ff24e5beed67285c97171e812c2e11b5a89e4313
ripemd-160
de98df688afb1d461e7e2283bb2d417ff1c512f3
Diameter
1977780842
Circumference
6213381763.6378
Area
3.0721768540388E+18
Volume
4.0507283501025E+27
Surface area
1.2288707416155E+19
Circumference
6213381763.6378
Perimeter
3955561684
Area
977904264745557241
Diagonal
1398502245.079
Surface area
5867425588473343446
Volume
9.6704016006193E+26
Space diagonal
1712808452.2902
Perimeter
2966671263
Area
4.234449678694E+17
Altitude
856404226.14509
Surface area
4.234449678694E+17
Volume
1.1396677580992E+26
Height
466167415.02635