13388988942

Names of 13388988942

• Cardinal: 13388988942 can be written as Thirteen billion, three hundred eighty-eight million, nine hundred eighty-eight thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.3388988942 × 10¹⁰

Factors of 13388988942

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 222

Divisors of 13388988942

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 37 42 46 61 63 69 74 89 111 122 126 138 161 178 183 207 222 259 267 322 333 366 414 427 483 518 529 534 549 623 666 777 801 851 854 966 1058 1098 1246 1281 1403 1449 1554 1587 1602 1702 1869 2047 2257 2331 2553 2562 2806 2898 3174 3293 3703 3738 3843 4094 4209 4514 4662 4761 5106 5429 5607 5957 6141 6586 6771 7406 7659 7686 8418 9522 9821 9879 10858 11109 11214 11914 12282 12627 13542 14329 15318 15799 16287 17871 18423 19573 19642 19758 20313 22218 23051 25254 28658 29463 29637 31598 32269 32574 33327 35742 36846 38003 39146 40626 42987 46102 47081 47397 48861 51911 53613 58719 58926 59274 64538 66654 69153 75739 76006 85974 88389 94162 94794 96807 97722 103822 107226 114009 117438 124867 128961 137011 138306 141243 142191 151478 155733 176157 176778 193614 200873 207459 225883 227217 228018 249734 257922 274022 282486 284382 290421 311466 329567 342027 352314 363377 374601 401746 411033 414918 423729 451766 454434 467199 530173 580842 602619 659134 677649 681651 684054 726754 749202 822066 847458 874069 934398 988701 1060346 1090131 1123803 1193953 1205238 1233099 1355298 1363302 1406111 1590519 1741997 1748138 1807857 1977402 2032947 2180262 2247606 2387906 2466198 2622207 2812222 2871941 2966103 3181038 3270393 3483994 3581859 3615714 4065894 4218333 4620079 4771557 5225991 5244414 5743882 5932206 6540786 7163718 7866621 8357671 8436666 8615823 9240158 9543114 10451982 10745577 12193979 12654999 13860237 15677973 15733242 16715342 17231646 20103587 21491154 24387958 25073013 25309998 25847469 27720474 31355946 32340553 36581937 40207174 41580711 50146026 51694938 60310761 64681106 73163874 75219039 83161422 97021659 106261817 109745811 120621522 150438078 180932283 194043318 212523634 219491622 291064977 318785451 361864566 582129954 637570902 743832719 956356353 1487665438 1912712706 2231498157 4462996314 6694494471 13388988942
• Sum of all divisors σ(n): 36584533440
• Sum of proper divisors (its aliquot sum) s(n): 23195544498
• 13388988942 is an abundant number, because the sum of its proper divisors (23195544498) is greater than itself. Its abundance is 9806555556

Bases of 13388988942

• Binary: 1100011110000010111100001000001110₂
• Hexadecimal: 0x31E0BC20E
• Base-36: 65FGHZI

Squares and roots of 13388988942

• 13388988942 squared (13388988942²) is 179265024888998279364
• 13388988942 cubed (13388988942³) is 2400177435926152739861622792888
• The square root of 13388988942 is 115710.7987268259
• The cube root of 13388988942 is 2374.5569739553

Scales and comparisons

• 13,388,988,942 seconds is equal to 425 years, 37 weeks, 6 days, 3 hours, 35 minutes, 42 seconds.
• To count from 1 to 13,388,988,942 would take you about eight hundred fifty-one 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 13388988942 cubic inches would be around 197.9 feet tall.

Recreational maths with 13388988942

• 13388988942 backwards is 24988988331
• 13388988942 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13388988942's digits is 63
• More coming soon!