213431940

Names of 213431940

• Cardinal: 213431940 can be written as Two hundred thirteen million, four hundred thirty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.1343194 × 10⁸

Factors of 213431940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3717

Divisors of 213431940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 17 18 19 20 30 34 36 38 45 51 57 60 68 76 85 90 95 102 114 153 170 171 180 190 204 228 255 285 306 323 340 342 380 510 570 612 646 684 765 855 969 1020 1140 1292 1530 1615 1710 1938 2907 3060 3230 3420 3671 3876 4845 5814 6460 7342 9690 11013 11628 14535 14684 18355 19380 22026 29070 33039 36710 44052 55065 58140 62407 66078 69749 73420 110130 124814 132156 139498 165195 187221 209247 220260 249628 278996 312035 330390 348745 374442 418494 561663 624070 627741 660780 697490 748884 836988 936105 1046235 1123326 1185733 1248140 1255482 1394980 1872210 2092470 2246652 2371466 2510964 2808315 3138705 3557199 3744420 4184940 4742932 5616630 5928665 6277410 7114398 10671597 11233260 11857330 12554820 14228796 17785995 21343194 23714660 35571990 42686388 53357985 71143980 106715970 213431940
• Sum of all divisors σ(n): 721768320
• Sum of proper divisors (its aliquot sum) s(n): 508336380
• 213431940 is an abundant number, because the sum of its proper divisors (508336380) is greater than itself. Its abundance is 294904440

Bases of 213431940

• Binary: 1100101110001011011010000100₂
• Hexadecimal: 0xCB8B684
• Base-36: 3J2L50

Squares and roots of 213431940

• 213431940 squared (213431940²) is 45553193012163600
• 213431940 cubed (213431940³) is 9722506357780520745384000
• The square root of 213431940 is 14609.3100453101
• The cube root of 213431940 is 597.6126804403

Scales and comparisons

• 213,431,940 seconds is equal to 6 years, 40 weeks, 6 days, 6 hours, 39 minutes.
• To count from 1 to 213,431,940 would take you about ten 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 213431940 cubic inches would be around 49.8 feet tall.

Recreational maths with 213431940

• 213431940 backwards is 049134312
• The number of decimal digits it has is: 9
• The sum of 213431940's digits is 27
• More coming soon!