213656491440

Names of 213656491440

• Cardinal: 213656491440 can be written as Two hundred thirteen billion, six hundred fifty-six million, four hundred ninety-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.1365649144 × 10¹¹

Factors of 213656491440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6056040

Divisors of 213656491440

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 49 56 60 63 70 72 80 84 90 98 105 112 120 126 140 144 147 168 180 196 210 240 245 252 280 294 315 336 360 392 420 441 490 504 560 588 630 720 735 784 840 882 980 1008 1176 1260 1470 1680 1764 1960 2205 2352 2520 2940 3528 3920 4410 5040 5880 7056 8820 11760 17640 35280 6056023 12112046 18168069 24224092 30280115 36336138 42392161 48448184 54504207 60560230 72672276 84784322 90840345 96896368 109008414 121120460 127176483 145344552 169568644 181680690 211960805 218016828 242240920 254352966 272521035 290689104 296745127 339137288 363361380 381529449 423921610 436033656 484481840 508705932 545042070 593490254 635882415 678274576 726722760 763058898 847843220 872067312 890235381 1017411864 1090084140 1186980508 1271764830 1453445520 1483725635 1526117796 1695686440 1780470762 1907647245 2034823728 2180168280 2373961016 2543529660 2670706143 2967451270 3052235592 3391372880 3560941524 3815294490 4360336560 4451176905 4747922032 5087059320 5341412286 5934902540 6104471184 7121883048 7630588980 8902353810 10174118640 10682824572 11869805080 13353530715 14243766096 15261177960 17804707620 21365649144 23739610160 26707061430 30522355920 35609415240 42731298288 53414122860 71218830480 106828245720 213656491440
• Sum of all divisors σ(n): 834677563824
• Sum of proper divisors (its aliquot sum) s(n): 621021072384
• 213656491440 is an abundant number, because the sum of its proper divisors (621021072384) is greater than itself. Its abundance is 407364580944

Bases of 213656491440

• Binary: 11000110111110111010110101010110110000₂
• Hexadecimal: 0x31BEEB55B0
• Base-36: 2Q5HK3W0

Squares and roots of 213656491440

• 213656491440 squared (213656491440²) is 45649096334450793273600
• 213656491440 cubed (213656491440³) is 9753225760225321290162127977984000
• The square root of 213656491440 is 462229.9118836857
• The cube root of 213656491440 is 5978.2218946607

Scales and comparisons

• 213,656,491,440 seconds is equal to 6,793 years, 32 weeks, 1 hour, 24 minutes.
• To count from 1 to 213,656,491,440 would take you about thirteen thousand, five hundred eighty-seven 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 213656491440 cubic inches would be around 498.2 feet tall.

Recreational maths with 213656491440

• 213656491440 backwards is 044194656312
• 213656491440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 213656491440's digits is 45
• More coming soon!