21498857 is an odd 8-digits prime number following 21498856
and preceding 21498858 . In scientific notation, it is written as 2.1498857 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 21498856 positive integers (up to 21498857) that are relatively prime to 21498857.
21498857 has 2 divisors, whose sum is 21498858
The reverse of 21498857 is 75889412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
twenty-one million four hundred ninety-eight thousand eight hundred fifty-seven
Scientific notation
2.1498857 × 10^7
Engineering notation
2.1498857 × 10^6
Prime Factorization
21498857
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21498857 Product of the distinct prime numbers
The prime factorization of 21498857 is 21498857.
Since it has a total of 1 prime factors.
8 , 6 , 56 , 19 , 496 , 750 , 9459 , 5031 , 4911 , 18317 , 456612 , 845579 , 6870262 , 8046813 , 94368367 , 96553328 , 900701624 , 184300821 , 2293088591 , 1297658008
n×2
42997714
n×3
64496571
n×4
85995428
n×5
107494285
n÷2
10749428.5
n÷3
7166285.6666667
n÷3
5374714.25
n÷5
4299771.4
n2
462200852306449
n3
9.9367900290145E+21
n4
2.1362962787281E+29
n5
4.5927928206007E+36
2 √n4636.6859932499
3 √n278.05996067025
4 √n68.093215471513
5 √n29.274067790379
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21498858 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10749429 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.6861010856 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069718 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21498857 can be divided by 2 positive divisors.
The sum of these divisors (counting 21498857) is 21498858, the average is 10749429.
Base
System
Value
2
Binary
1010010000000101111101001
3
Ternary
1111110020212222
4
Quaternary
1102000233221
5
Quinary
21000430412
6
Senary
2044443425
8
Octal
122005751
10
Decimal
21498857
12
Duodecimal
7249575
16
Hexadecimal
1480be9
20
Vigesimal
6e772h
36
Base36
cssmh
md5
6443cb92134278a9c5f04ef0ecc6988c
sha1
74eea20790d75aa4c0b2b862a6263b7094dfce26
sha256
c56b3a4e3e3ad4fe45671dee872b67ba6d8ff1764441a008c42558592cf5056f
sha512
a1781545531525f86825ab88a736b243729476523afc0d01fd24ae3f708d0790daf1efc62cf969977879f538c9ce6ea848d605069ad3ad8523c5243fc3335a79
ripemd-160
1984cb108808e27295aa8fd9210f017c4c699b88
Diameter
42997714
Circumference
135081302.42355
Area
1.4520468020889E+15
Volume
4.1623128740555E+22
Surface area
5.8081872083555E+15
Circumference
135081302.42355
Perimeter
85995428
Area
462200852306449
Diagonal
30403975.14492
Surface area
2773205113838694
Volume
9.9367900290145E+21
Space diagonal
37237112.628658
Perimeter
64496571
Area
2.001388398741E+14
Altitude
18618556.314329
Surface area
2.001388398741E+14
Volume
1.1710619354572E+21
Height
10134658.38164