398998859424

Names of 398998859424

• Cardinal: 398998859424 can be written as Three hundred ninety-eight billion, nine hundred ninety-eight million, eight hundred fifty-nine thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 3.98998859424 × 10¹¹

Factors of 398998859424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1978426

Divisors of 398998859424

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 191 264 352 382 528 573 764 1056 1146 1528 2101 2292 3056 4202 4584 6112 6303 8404 9168 12606 16808 18336 25212 33616 50424 67232 100848 201696 1978219 3956438 5934657 7912876 11869314 15825752 21760409 23738628 31651504 43520818 47477256 63303008 65281227 87041636 94954512 130562454 174083272 189909024 261124908 348166544 377839829 522249816 696333088 755679658 1044499632 1133519487 1511359316 2088999264 2267038974 3022718632 4156238119 4534077948 6045437264 8312476238 9068155896 12090874528 12468714357 16624952476 18136311792 24937428714 33249904952 36272623584 49874857428 66499809904 99749714856 132999619808 199499429712 398998859424
• Sum of all divisors σ(n): 1148570357760
• Sum of proper divisors (its aliquot sum) s(n): 749571498336
• 398998859424 is an abundant number, because the sum of its proper divisors (749571498336) is greater than itself. Its abundance is 350572638912

Bases of 398998859424

• Binary: 101110011100110001011110110111010100000₂
• Hexadecimal: 0x5CE62F6EA0
• Base-36: 53APMAAO

Squares and roots of 398998859424

• 398998859424 squared (398998859424²) is 159200089821652913611776
• 398998859424 cubed (398998859424³) is 63520654259037864109505028334977024
• The square root of 398998859424 is 631663.5650597555
• The cube root of 398998859424 is 7361.9108060547

Scales and comparisons

• 398,998,859,424 seconds is equal to 12,686 years, 48 weeks, 2 days, 8 hours, 30 minutes, 24 seconds.
• To count from 1 to 398,998,859,424 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 398998859424 cubic inches would be around 613.5 feet tall.

Recreational maths with 398998859424

• 398998859424 backwards is 424958899893
• The number of decimal digits it has is: 12
• The sum of 398998859424's digits is 78
• More coming soon!