18085974984

Names of 18085974984

• Cardinal: 18085974984 can be written as Eighteen billion, eighty-five million, nine hundred seventy-four thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8085974984 × 10¹⁰

Factors of 18085974984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 305

Divisors of 18085974984

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 72 77 84 88 99 109 126 132 154 168 173 198 218 231 252 264 308 327 346 396 436 462 504 519 616 654 692 693 763 792 872 924 981 1038 1199 1211 1308 1384 1386 1526 1557 1848 1903 1962 2076 2289 2398 2422 2616 2772 3052 3114 3597 3633 3806 3924 4152 4578 4796 4844 5544 5709 6104 6228 6867 7194 7266 7612 7848 8393 9156 9592 9688 10791 10899 11418 12456 13321 13734 14388 14532 15224 16786 17127 18312 18857 21582 21798 22836 25179 26642 27468 28776 29064 29929 33572 34254 37714 39963 43164 43596 45672 50358 53284 54936 56571 59858 67144 68508 75428 75537 79926 86328 87192 89787 100716 106568 113142 119716 119889 131999 137016 150856 151074 159852 169713 179574 201432 207427 209503 226284 239432 239778 263998 269361 302148 319704 329219 339426 359148 395997 414854 419006 452568 479556 527996 538722 604296 622281 628509 658438 678852 718296 791994 829708 838012 959112 987657 1055992 1077444 1187991 1244562 1257018 1316876 1357704 1451989 1583988 1659416 1676024 1866843 1885527 1975314 2154888 2304533 2375982 2489124 2514036 2633752 2903978 2962971 3167976 3262261 3733686 3771054 3950628 4355967 4609066 4751964 4978248 5028072 5807956 5925942 6524522 6913599 7467372 7542108 7901256 8711934 9218132 9503928 9786783 11615912 11851884 13049044 13067901 13827198 14934744 15084216 17423868 18436264 19573566 20740797 22835827 23703768 26098088 26135802 27654396 29360349 34847736 35884871 39147132 41481594 45671654 52271604 55308792 58720698 68507481 71769742 78294264 82963188 91343308 104543208 107654613 117441396 137014962 143539484 165926376 182686616 205522443 215309226 234882792 251194097 274029924 287078968 322963839 411044886 430618452 502388194 548059848 645927678 753582291 822089772 861236904 1004776388 1291855356 1507164582 1644179544 2009552776 2260746873 2583710712 3014329164 4521493746 6028658328 9042987492 18085974984
• Sum of all divisors σ(n): 61988097600
• Sum of proper divisors (its aliquot sum) s(n): 43902122616
• 18085974984 is an abundant number, because the sum of its proper divisors (43902122616) is greater than itself. Its abundance is 25816147632

Bases of 18085974984

• Binary: 10000110110000000100001001111001000₂
• Hexadecimal: 0x4360213C8
• Base-36: 8B3X7M0

Squares and roots of 18085974984

• 18085974984 squared (18085974984²) is 327102491121873800256
• 18085974984 cubed (18085974984³) is 5915967471634291646635028795904
• The square root of 18085974984 is 134484.1068082025
• The cube root of 18085974984 is 2624.9073277759

Scales and comparisons

• 18,085,974,984 seconds is equal to 575 years, 4 weeks, 9 hours, 56 minutes, 24 seconds.
• To count from 1 to 18,085,974,984 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 18085974984 cubic inches would be around 218.7 feet tall.

Recreational maths with 18085974984

• 18085974984 backwards is 48947958081
• 18085974984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18085974984's digits is 63
• More coming soon!