398224636

Names of 398224636

• Cardinal: 398224636 can be written as Three hundred ninety-eight million, two hundred twenty-four thousand, six hundred thirty-six.

Scientific notation

• Scientific notation: 3.98224636 × 10⁸

Factors of 398224636

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 213

Divisors of 398224636

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 29 31 37 41 58 62 73 74 82 116 124 146 148 164 292 899 1073 1147 1189 1271 1517 1798 2117 2146 2263 2294 2378 2542 2701 2993 3034 3596 4234 4292 4526 4588 4756 5084 5402 5986 6068 8468 9052 10804 11972 33263 36859 43993 47027 65627 66526 73718 78329 83731 86797 87986 92783 94054 110741 131254 133052 147436 156658 167462 173594 175972 185566 188108 221482 262508 313316 334924 347188 371132 442964 1363783 2428199 2690707 2727566 3211489 3432971 4856398 5381414 5455132 6422978 6865942 9712796 10762828 12845956 13731884 99556159 199112318 398224636
• Sum of all divisors σ(n): 793658880
• Sum of proper divisors (its aliquot sum) s(n): 395434244
• 398224636 is a deficient number, because the sum of its proper divisors (395434244) is less than itself. Its deficiency is 2790392

Bases of 398224636

• Binary: 10111101111000110110011111100₂
• Hexadecimal: 0x17BC6CFC
• Base-36: 6L3C3G

Squares and roots of 398224636

• 398224636 squared (398224636²) is 158582860717332496
• 398224636 cubed (398224636³) is 63151601984998432110571456
• The square root of 398224636 is 19955.5665416945
• The cube root of 398224636 is 735.7146001785

Scales and comparisons

• 398,224,636 seconds is equal to 12 years, 34 weeks, 3 days, 1 hour, 57 minutes, 16 seconds.
• To count from 1 to 398,224,636 would take you about eighteen 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 398224636 cubic inches would be around 61.3 feet tall.

Recreational maths with 398224636

• 398224636 backwards is 636422893
• The number of decimal digits it has is: 9
• The sum of 398224636's digits is 43
• More coming soon!