18089324280

Names of 18089324280

• Cardinal: 18089324280 can be written as Eighteen billion, eighty-nine million, three hundred twenty-four thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.808932428 × 10¹⁰

Factors of 18089324280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 123

Divisors of 18089324280

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 43 45 46 47 60 69 72 86 90 92 94 115 120 129 138 141 172 180 184 188 207 215 230 235 258 276 282 344 345 360 376 387 414 423 430 460 470 516 529 552 564 645 690 705 774 828 846 860 920 940 989 1032 1035 1058 1081 1128 1290 1380 1410 1548 1587 1656 1692 1720 1880 1935 1978 2021 2070 2115 2116 2162 2209 2580 2645 2760 2820 2967 3096 3174 3243 3384 3870 3956 4042 4140 4230 4232 4324 4418 4761 4945 5160 5290 5405 5640 5934 6063 6348 6486 6627 7740 7912 7935 8084 8280 8460 8648 8836 8901 9522 9729 9890 10105 10580 10810 11045 11868 12126 12696 12972 13254 14835 15480 15870 16168 16215 16920 17672 17802 18189 19044 19458 19780 19881 20210 21160 21620 22090 22747 23736 23805 24252 24863 25944 26508 29670 30315 31740 32430 33135 35604 36378 38088 38916 39560 39762 40420 43240 44180 44505 45494 46483 47610 48504 48645 49726 50807 53016 59340 60630 63480 64860 66270 68241 71208 72756 74589 77832 79524 80840 88360 89010 90945 90988 92966 94987 95220 97290 99405 99452 101614 113735 118680 121260 124315 129720 132540 136482 139449 145512 149178 152421 159048 178020 181890 181976 185932 189974 190440 194580 198810 198904 203228 204723 223767 227470 232415 242520 248630 254035 265080 272964 278898 284961 298356 304842 341205 356040 363780 371864 372945 379948 389160 397620 406456 409446 418347 447534 454940 457263 464830 474935 497260 508070 545928 557796 569922 596712 609684 682410 697245 727560 745890 759896 762105 795240 818892 836694 854883 895068 909880 914526 929660 949870 994520 1016140 1023615 1069109 1115592 1118835 1139844 1168561 1219368 1364820 1394490 1424805 1491780 1524210 1637784 1673388 1709766 1790136 1829052 1859320 1899740 2032280 2047230 2091735 2138218 2184701 2237670 2279688 2286315 2337122 2729640 2788980 2849610 2983560 3048420 3207327 3346776 3419532 3505683 3658104 3799480 4094460 4183470 4274415 4276436 4369402 4475340 4572630 4674244 5345545 5577960 5699220 5842805 6096840 6414654 6554103 6839064 7011366 8188920 8366940 8548830 8552872 8738804 8950680 9145260 9348488 9621981 10517049 10691090 10923505 11398440 11685610 12829308 13108206 14022732 16036635 16733880 17097660 17477608 17528415 18290520 19243962 19662309 21034098 21382180 21847010 23371220 25658616 26216412 28045464 32073270 32770515 34195320 35056830 38487924 39324618 42068196 42764360 43694020 46742440 48109905 50248123 52432824 52585245 64146540 65541030 70113660 76975848 78649236 84136392 87388040 96219810 98311545 100496246 105170490 128293080 131082060 140227320 150744369 157298472 192439620 196623090 200992492 210340980 251240615 262164120 301488738 384879240 393246180 401984984 420681960 452233107 502481230 602977476 753721845 786492360 904466214 1004962460 1205954952 1507443690 1808932428 2009924920 2261165535 3014887380 3617864856 4522331070 6029774760 9044662140 18089324280
• Sum of all divisors σ(n): 64253269080
• Sum of proper divisors (its aliquot sum) s(n): 46163944800
• 18089324280 is an abundant number, because the sum of its proper divisors (46163944800) is greater than itself. Its abundance is 28074620520

Bases of 18089324280

• Binary: 10000110110001101010010111011111000₂
• Hexadecimal: 0x436352EF8
• Base-36: 8B5WZY0

Squares and roots of 18089324280

• 18089324280 squared (18089324280²) is 327223652906997518400
• 18089324280 cubed (18089324280³) is 5919254769520842791492866752000
• The square root of 18089324280 is 134496.5586176837
• The cube root of 18089324280 is 2625.0693510929

Scales and comparisons

• 18,089,324,280 seconds is equal to 575 years, 9 weeks, 4 days, 4 hours, 18 minutes.
• To count from 1 to 18,089,324,280 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 18089324280 cubic inches would be around 218.8 feet tall.

Recreational maths with 18089324280

• 18089324280 backwards is 08242398081
• 18089324280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18089324280's digits is 45
• More coming soon!