18161902876964

Names of 18161902876964

• Cardinal: 18161902876964 can be written as Eighteen trillion, one hundred sixty-one billion, nine hundred two million, eight hundred seventy-six thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 1.8161902876964 × 10¹³

Factors of 18161902876964

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 164

Divisors of 18161902876964

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 11 14 22 28 43 44 77 86 101 121 154 172 202 242 301 308 404 473 484 602 707 847 946 1111 1204 1331 1414 1694 1892 2222 2662 2828 3311 3388 4343 4444 5203 5324 6622 7777 8686 9317 10201 10406 12221 13244 14641 15554 17372 18634 20402 20812 24442 29282 30401 31108 36421 37268 40804 47773 48884 57233 58564 60802 71407 72842 85547 95546 102487 112211 114466 121604 134431 142814 145684 171094 191092 204974 224422 228932 268862 285628 334411 342188 400631 409948 438643 448844 525503 537724 629563 668822 785477 801262 877286 941017 1030301 1051006 1234321 1259126 1337644 1478741 1570954 1602524 1754572 1882034 2060602 2102012 2468642 2518252 2957482 3070501 3141908 3678521 3764068 4121204 4406941 4825073 4937284 5780533 5914964 6141002 7212107 7357042 8640247 8813882 9650146 10351187 11333311 11561066 12282004 13577531 14424214 14714084 17280494 17627764 19300292 20702374 22666622 23122132 27155062 28848428 33775511 34560988 40463731 41404748 44302943 45333244 53075803 54310124 63585863 67551022 79333177 80927462 88605886 95042717 106151606 124666421 127171726 135102044 149352841 158666354 161854924 177211772 190085434 212303212 249332842 254343452 298705682 310120601 317332708 371530621 380170868 445101041 487332373 498665684 583833833 597411364 620241202 743061242 872664947 890202082 974664746 1045469887 1167667666 1240482404 1371330631 1486122484 1745329894 1780404164 1949329492 2090939774 2335335332 2742661262 3411326611 3490659788 4086836831 4181879548 5360656103 5485322524 6422172163 6822653222 8173673662 9599314417 10721312206 12844344326 13645306444 15084636941 16347347324 19198628834 21442624412 25688688652 30169273882 37524592721 38397257668 44955205141 58967217133 60338547764 75049185442 89910410282 105592458587 117934434266 150098370884 179820820564 211184917174 235868868532 412770519931 422369834348 648639388463 825541039862 1297278776926 1651082079724 2594557553852 4540475719241 9080951438482 18161902876964
• Sum of all divisors σ(n): 41293997162880
• Sum of proper divisors (its aliquot sum) s(n): 23132094285916
• 18161902876964 is an abundant number, because the sum of its proper divisors (23132094285916) is greater than itself. Its abundance is 4970191408952

Bases of 18161902876964

• Binary: 100001000010010100101110001001111100100100100₂
• Hexadecimal: 0x1084A5C4F924
• Base-36: 6FRGO1O9W

Squares and roots of 18161902876964

• 18161902876964 squared (18161902876964²) is 329854716112273220121857296
• 18161902876964 cubed (18161902876964³) is 5990789317539638481761172478881453729344
• The square root of 18161902876964 is 4261678.4107865295
• The cube root of 18161902876964 is 26285.7546341291

Scales and comparisons

• 18,161,902,876,964 seconds is equal to 577,492 years, 17 weeks, 2 days, 5 hours, 22 minutes, 44 seconds.
• To count from 1 to 18,161,902,876,964 would take you about one million, four hundred forty-three thousand, seven hundred thirty 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 18161902876964 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18161902876964

• 18161902876964 backwards is 46967820916181
• The number of decimal digits it has is: 14
• The sum of 18161902876964's digits is 68
• More coming soon!