18157242138168

Names of 18157242138168

• Cardinal: 18157242138168 can be written as Eighteen trillion, one hundred fifty-seven billion, two hundred forty-two million, one hundred thirty-eight thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8157242138168 × 10¹³

Factors of 18157242138168

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5666

Divisors of 18157242138168

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 31 42 56 62 84 93 124 168 186 217 248 372 434 601 651 744 868 1202 1302 1736 1801 1803 2404 2604 3221 3602 3606 4207 4808 5208 5403 6442 7204 7212 8414 9663 10806 12607 12621 12884 14408 14424 16828 18631 19326 21612 22547 25214 25242 25768 33656 37262 37821 38652 43224 45094 50428 50484 55831 55893 67641 74524 75642 77304 90188 99851 100856 100968 111662 111786 130417 135282 149048 151284 167493 180376 199702 223324 223572 260834 270564 299553 302568 334986 390817 391251 399404 446648 447144 521668 541128 599106 669972 698957 781634 782502 798808 1043336 1082401 1172451 1198212 1339944 1397914 1563268 1565004 1935821 2096871 2164802 2344902 2396424 2795828 3126536 3130008 3247203 3871642 4193742 4329604 4689804 5591656 5801021 5807463 6494406 7576807 7743284 8387484 8659208 9379608 11602042 11614926 12988812 13550747 15153614 15486568 16774968 17403063 22730421 23204084 23229852 25977624 27101494 30307228 33554431 34806126 40607147 40652241 45460842 46408168 46459704 54202988 60010451 60614456 67108862 69612252 81214294 81304482 90921684 100663293 108405976 120020902 121821441 134217724 139224504 162428588 162608964 179831651 180031353 181843368 201326586 234881017 240041804 243642882 268435448 324857176 325217928 359663302 360062706 402653172 420073157 469762034 480083608 487285764 539494953 704643051 719326604 720125412 805306344 840146314 939524068 974571528 1078989906 1258821557 1260219471 1409286102 1438653208 1440250824 1680292628 1879048136 2157979812 2517643114 2520438942 2818572204 3360585256 3486413621 3776464671 4315959624 5035286228 5040877884 5637144408 6972827242 7552929342 10070572456 10081755768 10459240863 13945654484 15105858684 20918481726 24404895347 27891308968 30211717368 41836963452 48809790694 73214686041 83673926904 97619581388 108078822251 146429372082 195239162776 216157644502 292858744164 324236466753 432315289004 585717488328 648472933506 756551755757 864630578008 1296945867012 1513103511514 2269655267271 2593891734024 3026207023028 4539310534542 6052414046056 9078621069084 18157242138168
• Sum of all divisors σ(n): 53686863175680
• Sum of proper divisors (its aliquot sum) s(n): 35529621037512
• 18157242138168 is an abundant number, because the sum of its proper divisors (35529621037512) is greater than itself. Its abundance is 17372378899344

Bases of 18157242138168

• Binary: 100001000001110001111111101111011111000111000₂
• Hexadecimal: 0x10838FF7BE38
• Base-36: 6FPBL5V7C

Squares and roots of 18157242138168

• 18157242138168 squared (18157242138168²) is 329685442064063644402396224
• 18157242138168 cubed (18157242138168³) is 5986178400986161253923799238844489477632
• The square root of 18157242138168 is 4261131.5560738087
• The cube root of 18157242138168 is 26283.5059432221

Scales and comparisons

• 18,157,242,138,168 seconds is equal to 577,344 years, 7 weeks, 11 hours, 42 minutes, 48 seconds.
• To count from 1 to 18,157,242,138,168 would take you about one million, four hundred forty-three thousand, three hundred sixty 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 18157242138168 cubic inches would be around 2190.3 feet tall.

Recreational maths with 18157242138168

• 18157242138168 backwards is 86183124275181
• The number of decimal digits it has is: 14
• The sum of 18157242138168's digits is 57
• More coming soon!