18087128010

Names of 18087128010

• Cardinal: 18087128010 can be written as Eighteen billion, eighty-seven million, one hundred twenty-eight thousand and ten.

Scientific notation

• Scientific notation: 1.808712801 × 10¹⁰

Factors of 18087128010

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1916

Divisors of 18087128010

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 23 27 30 35 42 45 46 54 63 69 70 90 105 115 126 135 138 161 189 207 210 230 257 270 315 322 345 378 414 483 514 621 630 690 771 805 945 966 1035 1242 1285 1449 1542 1610 1619 1799 1890 2070 2313 2415 2570 2898 3105 3238 3598 3855 4347 4626 4830 4857 5397 5911 6210 6939 7245 7710 8095 8694 8995 9714 10794 11333 11565 11822 13878 14490 14571 16190 16191 17733 17990 21735 22666 23130 24285 26985 29142 29555 32382 33999 34695 35466 37237 41377 43470 43713 48570 48573 53199 53970 56665 59110 67998 69390 72855 74474 80955 82754 87426 88665 97146 101997 106398 111711 113330 124131 145710 159597 161910 169995 177330 186185 203994 206885 218565 223422 242865 248262 260659 265995 305991 319194 335133 339990 372370 372393 413770 416083 437130 485730 509985 521318 531990 558555 611982 620655 670266 744786 781977 797985 832166 1005399 1019970 1117110 1117179 1241310 1248249 1303295 1529955 1563954 1595970 1675665 1861965 2010798 2080415 2234358 2345931 2496498 2606590 2912581 3059910 3351330 3723930 3744747 3909885 4160830 4691862 5026995 5585895 5825162 6241245 7037793 7489494 7819770 8737743 9569909 10053990 11171790 11234241 11729655 12482490 14075586 14562905 17475486 18723735 19139818 22468482 23459310 26213229 28709727 29125810 35188965 37447470 43688715 47849545 52426458 56171205 57419454 66989363 70377930 78639687 86129181 87377430 95699090 112342410 131066145 133978726 143548635 157279374 172258362 200968089 258387543 262132290 287097270 334946815 393198435 401936178 430645905 516775086 602904267 669893630 786396870 861291810 1004840445 1205808534 1291937715 1808712801 2009680890 2583875430 3014521335 3617425602 6029042670 9043564005 18087128010
• Sum of all divisors σ(n): 57778790400
• Sum of proper divisors (its aliquot sum) s(n): 39691662390
• 18087128010 is an abundant number, because the sum of its proper divisors (39691662390) is greater than itself. Its abundance is 21604534380

Bases of 18087128010

• Binary: 10000110110000100111010101111001010₂
• Hexadecimal: 0x43613ABCA
• Base-36: 8B4LXAI

Squares and roots of 18087128010

• 18087128010 squared (18087128010²) is 327144199650126560100
• 18087128010 cubed (18087128010³) is 5917099016800836305229658401000
• The square root of 18087128010 is 134488.3935884431
• The cube root of 18087128010 is 2624.9631080529

Scales and comparisons

• 18,087,128,010 seconds is equal to 575 years, 5 weeks, 6 days, 18 hours, 13 minutes, 30 seconds.
• To count from 1 to 18,087,128,010 would take you about one thousand, one hundred fifty 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 18087128010 cubic inches would be around 218.7 feet tall.

Recreational maths with 18087128010

• 18087128010 backwards is 01082178081
• The number of decimal digits it has is: 11
• The sum of 18087128010's digits is 36
• More coming soon!