18016323920

Names of 18016323920

• Cardinal: 18016323920 can be written as Eighteen billion, sixteen million, three hundred twenty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.801632392 × 10¹⁰

Factors of 18016323920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5185

Divisors of 18016323920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 34 35 40 49 53 56 68 70 80 85 98 106 112 119 136 140 170 196 212 238 245 265 272 280 340 371 392 424 476 490 530 560 595 680 742 784 833 848 901 952 980 1060 1190 1360 1484 1666 1802 1855 1904 1960 2120 2380 2597 2968 3332 3604 3710 3920 4165 4240 4505 4760 5101 5194 5936 6307 6664 7208 7420 8330 9010 9520 10202 10388 12614 12985 13328 14416 14840 16660 18020 20404 20776 25228 25505 25970 29680 31535 33320 35707 36040 40808 41552 44149 50456 51010 51940 63070 66640 71414 72080 81616 86717 88298 100912 102020 103880 126140 142828 173434 176596 178535 204040 207760 220745 249949 252280 270353 285656 346868 353192 357070 408080 433585 441490 499898 504560 540706 571312 607019 693736 706384 714140 867170 882980 999796 1081412 1214038 1249745 1351765 1387472 1428280 1734340 1765960 1892471 1999592 2162824 2428076 2499490 2703530 2856560 3035095 3468680 3531920 3784942 3999184 4249133 4325648 4596001 4856152 4998980 5407060 6070190 6937360 7569884 8498266 9192002 9462355 9712304 9997960 10814120 12140380 13247297 15139768 16996532 18384004 18924710 19995920 21245665 21628240 22980005 24280760 26494594 30279536 32172007 33993064 36768008 37849420 42491330 45960010 48561520 52989188 64344014 66236485 67986128 73536016 75698840 84982660 91920020 105978376 128688028 132472970 151397680 160860035 169965320 183840040 211956752 225204049 257376056 264945940 321720070 339930640 367680080 450408098 514752112 529891880 643440140 900816196 1059783760 1126020245 1286880280 1801632392 2252040490 2573760560 3603264784 4504080980 9008161960 18016323920
• Sum of all divisors σ(n): 52576844688
• Sum of proper divisors (its aliquot sum) s(n): 34560520768
• 18016323920 is an abundant number, because the sum of its proper divisors (34560520768) is greater than itself. Its abundance is 16544196848

Bases of 18016323920

• Binary: 10000110001110110110100100101010000₂
• Hexadecimal: 0x431DB4950
• Base-36: 89YGCI8

Squares and roots of 18016323920

• 18016323920 squared (18016323920²) is 324587927590364166400
• 18016323920 cubed (18016323920³) is 5847881243989505892623180288000
• The square root of 18016323920 is 134224.9005214755
• The cube root of 18016323920 is 2621.5333913749

Scales and comparisons

• 18,016,323,920 seconds is equal to 572 years, 44 weeks, 6 days, 6 hours, 25 minutes, 20 seconds.
• To count from 1 to 18,016,323,920 would take you about one thousand, one hundred forty-five 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 18016323920 cubic inches would be around 218.5 feet tall.

Recreational maths with 18016323920

• 18016323920 backwards is 02932361081
• 18016323920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18016323920's digits is 35
• More coming soon!