400921404

Names of 400921404

• Cardinal: 400921404 can be written as Four hundred million, nine hundred twenty-one thousand, four hundred four.

Scientific notation

• Scientific notation: 4.00921404 × 10⁸

Factors of 400921404

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 465

Divisors of 400921404

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 12 13 17 26 29 34 39 51 52 58 68 78 87 102 116 156 169 174 204 221 338 348 377 401 442 493 507 663 676 754 802 884 986 1014 1131 1203 1326 1479 1508 1604 1972 2028 2262 2406 2652 2873 2958 4524 4812 4901 5213 5746 5916 6409 6817 8619 9802 10426 11492 11629 12818 13634 14703 15639 17238 19227 19604 20451 20852 23258 25636 27268 29406 31278 34476 34887 38454 40902 46516 58812 62556 67769 69774 76908 81804 83317 88621 135538 139548 151177 166634 177242 197693 203307 249951 265863 271076 302354 333268 354484 395386 406614 453531 499902 531726 593079 604708 790772 813228 907062 999804 1063452 1152073 1186158 1814124 1965301 2304146 2372316 2570009 3456219 3930602 4608292 5140018 5895903 6912438 7710027 7861204 10280036 11791806 13824876 15420054 23583612 30840108 33410117 66820234 100230351 133640468 200460702 400921404
• Sum of all divisors σ(n): 1112317920
• Sum of proper divisors (its aliquot sum) s(n): 711396516
• 400921404 is an abundant number, because the sum of its proper divisors (711396516) is greater than itself. Its abundance is 310475112

Bases of 400921404

• Binary: 10111111001011001001100111100₂
• Hexadecimal: 0x17E5933C
• Base-36: 6MP4XO

Squares and roots of 400921404

• 400921404 squared (400921404²) is 160737972185331216
• 400921404 cubed (400921404³) is 64443293484655939323747264
• The square root of 400921404 is 20023.0218498607
• The cube root of 400921404 is 737.3716127751

Scales and comparisons

• 400,921,404 seconds is equal to 12 years, 38 weeks, 6 days, 7 hours, 3 minutes, 24 seconds.
• To count from 1 to 400,921,404 would take you about nineteen 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 400921404 cubic inches would be around 61.4 feet tall.

Recreational maths with 400921404

• 400921404 backwards is 404129004
• The number of decimal digits it has is: 9
• The sum of 400921404's digits is 24
• More coming soon!