397488921 (number)

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.

Interesting facts

Basic properties

Name

Name three hundred ninety-seven million four hundred eighty-eight thousand nine hundred twenty-one

Notation

Scientific notation 3.97488921 × 10^8
Engineering notation 3.97488921 × 10^6

Prime Factorization of 397488921

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.

Most popular turbo-numbers

Basic calculations (n = 397488921)

Multiplication

n×y
n×2 794977842
n×3 1192466763
n×4 1589955684
n×5 1987444605

Division

n÷y
n÷2 198744460.5
n÷3 132496307
n÷3 99372230.25
n÷5 79497784.2

Exponentiation

ny
n2 157997442317744241
n3 6.280223286764E+25
n4 2.4963191778949E+34
n5 9.9225921649305E+42

Nth Root

y√n
2√n 19937.124190815
3√n 735.26124638909
4√n 141.19888169109
5√n 52.464435657206

Divisors of 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 conversion 397488921

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

Cryptographic Hash Functions

md5 dea7d55ea055f3949b038cf3c1802361
sha1 e0da989acf1700157f1bc86f8f429e56234606fe
sha256 2156e6b830e96220c83044738053b769658ad59d96f34450d69a633324836c69
sha512 bed294934fa4bc333bc0c32b6de7d950f1f3acfe90b7e984bf3f57f8807f661edb81d4c0da37840e39eb93147bca303fbc9182ce10ffe4690c76a370f54ed61f
ripemd-160 70b3b549906cf500a1f092ff6c3f7cc1570eb8bf

397488921 as geometric shapes

Circle

Radius = n
Diameter 794977842
Circumference 2497496548.1939
Area 4.963636040714E+17

Sphere

Radius = n
Volume 2.6306537787468E+26
Surface area 1.9854544162856E+18
Circumference 2497496548.1939

Square

Length = n
Perimeter 1589955684
Area 157997442317744241
Diagonal 562134222.97125

Cube

Length = n
Surface area 947984653906465446
Volume 6.280223286764E+25
Space diagonal 688471006.61773

Equilateral Triangle

Length = n
Perimeter 1192466763
Area 6.8414899390067E+16
Altitude 344235503.30887

Triangular Pyramid

Length = n
Surface area 6.8414899390067E+16
Volume 7.4013141223941E+24
Height 187378074.32375