18196817730431872

Names of 18196817730431872

• Cardinal: 18196817730431872 can be written as Eighteen quadrillion, one hundred ninety-six trillion, eight hundred seventeen billion, seven hundred thirty million, four hundred thirty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8196817730431872 × 10¹⁶

Factors of 18196817730431872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 778986236

Divisors of 18196817730431872

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 31 32 56 58 62 64 112 116 124 128 203 217 224 232 248 406 434 448 464 496 812 841 868 896 899 928 992 1624 1682 1736 1798 1856 1984 3248 3364 3472 3596 3712 3968 5887 6293 6496 6728 6944 7192 11774 12586 12992 13456 13888 14384 23548 25172 25984 26071 26912 27776 28768 47096 50344 52142 53824 57536 94192 100688 104284 107648 115072 182497 188384 201376 208568 364994 376768 402752 417136 729988 753536 805504 834272 1459976 1668544 2919952 3337088 5839904 11679808 23359616 778986167 1557972334 3115944668 5452903169 6231889336 10905806338 12463778672 21811612676 22590598843 24148571177 24927557344 43623225352 45181197686 48297142354 49855114688 87246450704 90362395372 96594284708 99710229376 158134191901 169039998239 174492901408 180724790744 193188569416 316268383802 338079996478 348985802816 361449581488 386377138832 632536767604 655127366447 676159992956 697971605632 700308564133 722899162976 772754277664 1265073535208 1310254732894 1352319985912 1400617128266 1445798325952 1545508555328 2530147070416 2620509465788 2704639971824 2801234256532 2891596651904 3091017110656 4585891565129 4902159948931 5060294140832 5241018931576 5409279943648 5602468513064 9171783130258 9804319897862 10120588281664 10482037863152 10818559887296 11204937026128 18343566260516 19608639795724 20241176563328 20308948359857 20964075726304 21637119774592 22409874052256 36687132521032 39217279591448 40617896719714 41928151452608 44819748104512 73374265042064 78434559182896 81235793439428 83856302905216 89639496209024 142162638518999 146748530084128 156869118365792 162471586878856 284325277037998 293497060168256 313738236731584 324943173757712 568650554075996 586994120336512 627476473463168 649886347515424 1137301108151992 1299772695030848 2274602216303984 2599545390061696 4549204432607968 9098408865215936 18196817730431872
• Sum of all divisors σ(n): 44292281047971840
• Sum of proper divisors (its aliquot sum) s(n): 26095463317539968
• 18196817730431872 is an abundant number, because the sum of its proper divisors (26095463317539968) is greater than itself. Its abundance is 7898645587108096

Bases of 18196817730431872

• Binary: 1000000101001011110100011001000110111010110101110000000₂
• Hexadecimal: 0x40A5E8C8DD6B80
• Base-36: 4Z68ENSSDJ4

Squares and roots of 18196817730431872

• 18196817730431872 squared (18196817730431872²) is 331124175514559745033567633424384
• 18196817730431872 cubed (18196817730431872³) is 6025406267977975901498926903258108306510575566848
• The square root of 18196817730431872 is 134895580.8410040985
• The cube root of 18196817730431872 is 263025.8796184133

Scales and comparisons

• 18,196,817,730,431,872 seconds is equal to 578,602,517 years, 19 weeks, 3 days, 10 hours, 37 minutes, 52 seconds.
• To count from 1 to 18,196,817,730,431,872 would take you about one billion, seven hundred thirty-five million, eight hundred seven thousand, five hundred fifty-two 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 18196817730431872 cubic inches would be around 21918.8 feet tall.

Recreational maths with 18196817730431872

• 18196817730431872 backwards is 27813403771869181
• The number of decimal digits it has is: 17
• The sum of 18196817730431872's digits is 76
• More coming soon!