1997707957 is an odd 10-digits composite number following 1997707956
and preceding 1997707958 . In scientific notation, it is written as 1.997707957 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 1711854672 positive integers (up to 1997707957) that are relatively prime to 1997707957.
1997707957 has 8 divisors, whose sum is 2283716736
The reverse of 1997707957 is 7597077991
Previous prime number is 3863
Is Prime? no Number parity odd Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion nine hundred ninety-seven million seven hundred seven thousand nine hundred fifty-seven
Scientific notation
1.997707957 × 10^9
Engineering notation
1.997707957 × 10^9
Prime Factorization
7 × 3863 × 73877
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1997707957 Product of the distinct prime numbers
The prime factorization of 1997707957 is 7 × 3863 × 73877.
Since it has a total of 3 prime factors.
3 , 6 , 13 , 3 , 3 , 825 , 2941 , 3482 , 45396 , 95787 , 207329 , 340938 , 4112464 , 5373634 , 28078162 , 77719729 , 53862754 , 72627148 , 1656327352 , 2488528504
n×2
3995415914
n×3
5993123871
n×4
7990831828
n×5
9988539785
n÷2
998853978.5
n÷3
665902652.33333
n÷3
499426989.25
n÷5
399541591.4
n2
3990837081461113849
n3
7.9725269927255E+27
n4
1.5926780610765E+37
n5
3.1817056355519E+46
2 √n44695.726384074
3 √n1259.4395670476
4 √n211.41363812222
5 √n72.461346485779
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1997707956 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997707957 can be divided by 8 positive divisors.
The sum of these divisors (counting 1997707957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111000100101001101010110101
3
Ternary
12011020001002010121
4
Quaternary
1313010221222311
5
Quinary
13042403123312
6
Senary
530121451541
8
Octal
16704515265
10
Decimal
1997707957
12
Duodecimal
479040bb1
16
Hexadecimal
77129ab5
20
Vigesimal
1b45d9hh
36
Base36
x1dtbp
md5
ea59beb5987c7070d560581fa1cfedd1
sha1
5afc1ccd5e4f6e5277b53722f16fa046c7d420d6
sha256
6998cfc7a19a86cbe1a1ae481ed0ae16e99fd07a2e491c9cbedfe655a3645a46
sha512
ad5d5f4559a9712300f26c8b706ca63665b935241cfd139822e6888c237f021a0acd49ca58c1293d4c4991d402c98a378d26d596b2555fa4225d29ef89a2bace
ripemd-160
6682392defde6422669f68cf6b30d47365c032c1
Diameter
3995415914
Circumference
12551969283.458
Area
1.2537584456792E+19
Volume
3.3395242974524E+28
Surface area
5.0150337827168E+19
Circumference
12551969283.458
Perimeter
7990831828
Area
3990837081461113849
Diagonal
2825185686.45
Surface area
2.3945022488767E+19
Volume
7.9725269927255E+27
Space diagonal
3460131680.2086
Perimeter
5993123871
Area
1.7280831474551E+18
Altitude
1730065840.1043
Surface area
1.7280831474551E+18
Volume
9.3957131662484E+26
Height
941728562.15002