13978706868

Names of 13978706868

• Cardinal: 13978706868 can be written as Thirteen billion, nine hundred seventy-eight million, seven hundred six thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.3978706868 × 10¹⁰

Factors of 13978706868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 28446

Divisors of 13978706868

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 49 54 62 63 81 84 93 98 108 124 126 147 162 186 189 196 217 252 279 294 324 372 378 434 441 558 567 588 651 756 837 868 882 1116 1134 1302 1323 1519 1674 1764 1953 2268 2511 2604 2646 3038 3348 3906 3969 4557 5022 5292 5859 6076 7812 7938 9114 10044 11718 13671 15876 17577 18228 23436 27342 28403 35154 41013 54684 56806 70308 82026 85209 113612 123039 164052 170418 198821 246078 255627 340836 397642 492156 511254 596463 766881 795284 880493 1022508 1192926 1391747 1533762 1760986 1789389 2300643 2385852 2641479 2783494 3067524 3521972 3578778 4175241 4601286 5282958 5368167 5566988 6163451 7157556 7924437 8350482 9202572 10565916 10736334 12326902 12525723 15848874 16104501 16700964 18490353 21472668 23773311 24653804 25051446 31697748 32209002 36980706 37577169 43144157 47546622 50102892 55471059 64418004 71319933 73961412 75154338 86288314 95093244 110942118 112731507 129432471 142639866 150308676 166413177 172576628 221884236 225463014 258864942 285279732 332826354 388297413 450926028 499239531 517729884 665652708 776594826 998479062 1164892239 1553189652 1996958124 2329784478 3494676717 4659568956 6989353434 13978706868
• Sum of all divisors σ(n): 43882134912
• Sum of proper divisors (its aliquot sum) s(n): 29903428044
• 13978706868 is an abundant number, because the sum of its proper divisors (29903428044) is greater than itself. Its abundance is 15924721176

Bases of 13978706868

• Binary: 1101000001001100100010001110110100₂
• Hexadecimal: 0x3413223B4
• Base-36: 6F6K790

Squares and roots of 13978706868

• 13978706868 squared (13978706868²) is 195404245701470369424
• 13978706868 cubed (13978706868³) is 2731498671423503330765766004032
• The square root of 13978706868 is 118231.5815169535
• The cube root of 13978706868 is 2408.9197518587

Scales and comparisons

• 13,978,706,868 seconds is equal to 444 years, 24 weeks, 6 days, 14 hours, 7 minutes, 48 seconds.
• To count from 1 to 13,978,706,868 would take you about eight hundred eighty-eight 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 13978706868 cubic inches would be around 200.7 feet tall.

Recreational maths with 13978706868

• 13978706868 backwards is 86860787931
• 13978706868 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13978706868's digits is 63
• More coming soon!