398949396984

Names of 398949396984

• Cardinal: 398949396984 can be written as Three hundred ninety-eight billion, nine hundred forty-nine million, three hundred ninety-six thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 3.98949396984 × 10¹¹

Factors of 398949396984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2573

Divisors of 398949396984

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 389 778 1167 1556 2179 2334 3112 3501 4358 4668 6537 7002 8716 9336 10503 13074 14004 17432 19611 21006 26148 28008 39222 42012 52296 58833 78444 84024 117666 156888 235332 470664 847631 1695262 2542893 3390524 4748041 5085786 6781048 7628679 9496082 10171572 14244123 15257358 18992164 20343144 22886037 28488246 30514716 37984328 42732369 45772074 56976492 61029432 85464738 91544148 113952984 128197107 170929476 183088296 256394214 341858952 512788428 1025576856 1846987949 3693975898 5540963847 7387951796 11081927694 14775903592 16622891541 22163855388 33245783082 44327710776 49868674623 66491566164 99737349246 132983132328 199474698492 398949396984
• Sum of all divisors σ(n): 1111551714000
• Sum of proper divisors (its aliquot sum) s(n): 712602317016
• 398949396984 is an abundant number, because the sum of its proper divisors (712602317016) is greater than itself. Its abundance is 313652920032

Bases of 398949396984

• Binary: 101110011100011001111001011000111111000₂
• Hexadecimal: 0x5CE33CB1F8
• Base-36: 539W64U0

Squares and roots of 398949396984

• 398949396984 squared (398949396984²) is 159160621353897228296256
• 398949396984 cubed (398949396984³) is 63497033912736052887100312904891904
• The square root of 398949396984 is 631624.4113268581
• The cube root of 398949396984 is 7361.6065836983

Scales and comparisons

• 398,949,396,984 seconds is equal to 12,685 years, 18 weeks, 3 days, 20 hours, 56 minutes, 24 seconds.
• To count from 1 to 398,949,396,984 would take you about twenty-five thousand, three hundred seventy years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 398949396984 cubic inches would be around 613.5 feet tall.

Recreational maths with 398949396984

• 398949396984 backwards is 489693949893
• The number of decimal digits it has is: 12
• The sum of 398949396984's digits is 81
• More coming soon!