398997951948

Names of 398997951948

• Cardinal: 398997951948 can be written as Three hundred ninety-eight billion, nine hundred ninety-seven million, nine hundred fifty-one thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 3.98997951948 × 10¹¹

Factors of 398997951948

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 451

Divisors of 398997951948

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 108 163 283 326 489 566 652 849 978 1132 1467 1698 1956 2547 2934 3396 4401 5094 5868 7641 8802 10188 15282 17604 30564 46129 80089 92258 138387 160178 184516 240267 276774 320356 415161 480534 553548 720801 830322 961068 1245483 1441602 1660644 2162403 2490966 2883204 4324806 4981932 8649612 13054507 22665187 26109014 39163521 45330374 52218028 67995561 78327042 90660748 117490563 135991122 156654084 203986683 234981126 271982244 352471689 407973366 469962252 611960049 704943378 815946732 1223920098 1409886756 2447840196 3694425481 7388850962 11083276443 14777701924 22166552886 33249829329 44333105772 66499658658 99749487987 132999317316 199498975974 398997951948
• Sum of all divisors σ(n): 1044476115200
• Sum of proper divisors (its aliquot sum) s(n): 645478163252
• 398997951948 is an abundant number, because the sum of its proper divisors (645478163252) is greater than itself. Its abundance is 246480211304

Bases of 398997951948

• Binary: 101110011100110001000011001010111001100₂
• Hexadecimal: 0x5CE62195CC
• Base-36: 53AP2U30

Squares and roots of 398997951948

• 398997951948 squared (398997951948²) is 159199365658698516994704
• 398997951948 cubed (398997951948³) is 63520220849241472252071767962483392
• The square root of 398997951948 is 631662.8467370863
• The cube root of 398997951948 is 7361.9052247835

Scales and comparisons

• 398,997,951,948 seconds is equal to 12,686 years, 46 weeks, 5 days, 20 hours, 25 minutes, 48 seconds.
• To count from 1 to 398,997,951,948 would take you about twenty-five thousand, three hundred seventy-three 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 398997951948 cubic inches would be around 613.5 feet tall.

Recreational maths with 398997951948

• 398997951948 backwards is 849159799893
• The number of decimal digits it has is: 12
• The sum of 398997951948's digits is 81
• More coming soon!