18718775984128

Names of 18718775984128

• Cardinal: 18718775984128 can be written as Eighteen trillion, seven hundred eighteen billion, seven hundred seventy-five million, nine hundred eighty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8718775984128 × 10¹³

Factors of 18718775984128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 191

Divisors of 18718775984128

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 8 11 16 22 32 41 44 64 82 88 121 128 137 164 176 242 256 274 328 352 451 484 512 548 656 704 902 968 1024 1096 1312 1408 1507 1681 1804 1936 2048 2192 2624 2816 3014 3362 3608 3872 4096 4384 4961 5248 5617 5632 6028 6724 7216 7744 8192 8768 9922 10496 11234 11264 12056 13448 14432 15488 16384 16577 17536 18491 19844 20992 22468 22528 24112 26896 28864 30976 33154 35072 36982 39688 41984 44936 45056 48224 53792 57728 61787 61952 66308 68921 70144 73964 79376 83968 89872 90112 96448 107584 115456 123574 123904 132616 137842 140288 147928 158752 167936 179744 180224 192896 203401 215168 230297 230912 247148 247808 265232 275684 280576 295856 317504 335872 359488 385792 406802 430336 460594 461824 494296 495616 530464 551368 561152 591712 635008 671744 679657 718976 758131 771584 813604 860672 921188 923648 988592 991232 1060928 1102736 1122304 1183424 1270016 1359314 1437952 1516262 1543168 1627208 1721344 1842376 1847296 1977184 1982464 2121856 2205472 2244608 2366848 2533267 2540032 2718628 2875904 3032524 3086336 3254416 3442688 3684752 3694592 3954368 4243712 4410944 4733696 5066534 5080064 5437256 5751808 6065048 6172672 6508832 6885376 7369504 7389184 7908736 8339441 8487424 8821888 9442177 9467392 10133068 10160128 10874512 11503616 12130096 12345344 13017664 13770752 14739008 15817472 16678882 16974848 17643776 18884354 18934784 20266136 20320256 21749024 23007232 24260192 24690688 26035328 27541504 27865937 29478016 31634944 33357764 33949696 35287552 37768708 37869568 40532272 40640512 43498048 46014464 48520384 52070656 55731874 58956032 63269888 66715528 67899392 70575104 75537416 75739136 81064544 81281024 86996096 92028928 97040768 103863947 104141312 111463748 117912064 126539776 133431056 135798784 141150208 151074832 151478272 162129088 173992192 194081536 207727894 208282624 222927496 235824128 253079552 266862112 271597568 282300416 302149664 302956544 324258176 347984384 388163072 415455788 416565248 445854992 471648256 506159104 533724224 564600832 604299328 648516352 695968768 776326144 830911576 833130496 891709984 943296512 1012318208 1067448448 1129201664 1142503417 1208598656 1297032704 1391937536 1552652288 1661823152 1666260992 1783419968 1886593024 2134896896 2285006834 2417197312 2594065408 2783875072 3105304576 3323646304 3332521984 3566839936 3773186048 4269793792 4570013668 4834394624 5188130816 5567750144 6210609152 6647292608 7133679872 8539587584 9140027336 9668789248 10376261632 11135500288 12421218304 13294585216 14267359744 17079175168 18280054672 19337578496 20752523264 26589170432 28534719488 34158350336 36560109344 38675156992 41505046528 53178340864 57069438976 68316700672 73120218688 77350313984 106356681728 114138877952 136633401344 146240437376 154700627968 212713363456 228277755904 292480874752 425426726912 456555511808 584961749504 850853453824 1169923499008 1701706907648 2339846998016 4679693996032 9359387992064 18718775984128
• Sum of all divisors σ(n): 42485691413592
• Sum of proper divisors (its aliquot sum) s(n): 23766915429464
• 18718775984128 is an abundant number, because the sum of its proper divisors (23766915429464) is greater than itself. Its abundance is 5048139445336

Bases of 18718775984128

• Binary: 100010000011001001101111111100100000000000000₂
• Hexadecimal: 0x11064DFE4000
• Base-36: 6MVABWZR4

Squares and roots of 18718775984128

• 18718775984128 squared (18718775984128²) is 350392574343967174907920384
• 18718775984128 cubed (18718775984128³) is 6558920105646637558466735293791471665152
• The square root of 18718775984128 is 4326520.0778602661
• The cube root of 18718775984128 is 26551.7091614073

Scales and comparisons

• 18,718,775,984,128 seconds is equal to 595,199 years, 9 weeks, 19 hours, 35 minutes, 28 seconds.
• To count from 1 to 18,718,775,984,128 would take you about one million, four hundred eighty-seven thousand, nine hundred ninety-seven 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 18718775984128 cubic inches would be around 2212.6 feet tall.

Recreational maths with 18718775984128

• 18718775984128 backwards is 82148957781781
• The number of decimal digits it has is: 14
• The sum of 18718775984128's digits is 76
• More coming soon!