13638389240

Names of 13638389240

• Cardinal: 13638389240 can be written as Thirteen billion, six hundred thirty-eight million, three hundred eighty-nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.363838924 × 10¹⁰

Factors of 13638389240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2122

Divisors of 13638389240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 19 20 28 31 35 38 40 41 56 62 70 76 82 95 124 133 140 152 155 164 190 205 217 248 266 280 287 310 328 380 410 434 532 574 589 620 665 760 779 820 868 1064 1085 1148 1178 1240 1271 1330 1435 1558 1640 1736 2017 2170 2296 2356 2542 2660 2870 2945 3116 3895 4034 4123 4340 4712 5084 5320 5453 5740 5890 6232 6355 7790 8068 8246 8680 8897 10085 10168 10906 11480 11780 12710 14119 15580 16136 16492 17794 20170 20615 21812 23560 24149 25420 27265 28238 31160 32984 35588 38323 40340 41230 43624 44485 48298 50840 54530 56476 62527 70595 71176 76646 80680 82460 82697 88970 96596 109060 112952 120745 125054 141190 153292 164920 165394 169043 177940 191615 193192 218120 241490 250108 268261 282380 306584 312635 330788 338086 355880 383230 413485 437689 482980 500216 536522 564760 578879 625270 661576 676172 766460 826970 845215 875378 965960 1073044 1157758 1188013 1250540 1341305 1352344 1532920 1571243 1653940 1690430 1750756 2146088 2188445 2315516 2376026 2501080 2563607 2682610 2894395 3142486 3307880 3380860 3501512 4376890 4631032 4752052 5127214 5365220 5788790 5940065 6284972 6761720 7856215 8316091 8753780 9504104 10254428 10730440 10998701 11577580 11880130 12569944 12818035 15712430 16632182 17507560 17945249 20508856 21997402 23155160 23760260 25636070 31424860 33264364 35890498 41580455 43994804 47520520 48708533 51272140 54993505 62849720 66528728 71780996 83160910 87989608 89726245 97417066 102544280 109987010 143561992 166321820 179452490 194834132 219974020 243542665 332643640 340959731 358904980 389668264 439948040 487085330 681919462 717809960 974170660 1363838924 1704798655 1948341320 2727677848 3409597310 6819194620 13638389240
• Sum of all divisors σ(n): 39055564800
• Sum of proper divisors (its aliquot sum) s(n): 25417175560
• 13638389240 is an abundant number, because the sum of its proper divisors (25417175560) is greater than itself. Its abundance is 11778786320

Bases of 13638389240

• Binary: 1100101100111010010100110111111000₂
• Hexadecimal: 0x32CE94DF8
• Base-36: 69JY0HK

Squares and roots of 13638389240

• 13638389240 squared (13638389240²) is 186005661061747777600
• 13638389240 cubed (13638389240³) is 2536817606403627865613753024000
• The square root of 13638389240 is 116783.5144187741
• The cube root of 13638389240 is 2389.2102010337

Scales and comparisons

• 13,638,389,240 seconds is equal to 433 years, 34 weeks, 1 day, 17 hours, 27 minutes, 20 seconds.
• To count from 1 to 13,638,389,240 would take you about eight hundred sixty-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 13638389240 cubic inches would be around 199.1 feet tall.

Recreational maths with 13638389240

• 13638389240 backwards is 04298383631
• The number of decimal digits it has is: 11
• The sum of 13638389240's digits is 47
• More coming soon!