18161446770168

Names of 18161446770168

• Cardinal: 18161446770168 can be written as Eighteen trillion, one hundred sixty-one billion, four hundred forty-six million, seven hundred seventy thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8161446770168 × 10¹³

Factors of 18161446770168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 362

Divisors of 18161446770168

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 52 67 78 104 134 156 169 201 268 277 312 338 402 507 536 554 676 804 831 871 1014 1108 1352 1608 1662 1742 2028 2197 2216 2613 3324 3484 3601 4056 4394 4489 5226 6591 6648 6968 7202 8788 8978 10452 10803 11323 13182 13467 14404 17576 17956 18559 20904 21606 22646 26364 26934 28808 33969 35912 37118 43212 45292 46813 52728 53868 55677 58357 67938 74236 76729 86424 90584 93626 107736 111354 116714 135876 140439 147199 148472 153458 175071 187252 222708 230187 233428 241267 271752 280878 294398 306916 350142 374504 441597 445416 460374 466856 482534 561756 588796 608569 613832 700284 723801 758641 883194 920748 965068 997477 1123512 1177592 1217138 1243453 1400568 1447602 1517282 1766388 1825707 1841496 1930136 1994954 2275923 2434276 2486906 2895204 2992431 3034564 3136471 3532776 3651414 3730359 3989908 4551846 4868552 4973812 5140843 5790408 5984862 6069128 6272942 7302828 7460718 7979816 9103692 9409413 9862333 9947624 10281686 11969724 12545884 12967201 14605656 14921436 15422529 16164889 18207384 18818826 19724666 20563372 23939448 25091768 25934402 29586999 29842872 30845058 32329778 37637652 38901603 39449332 40774123 41126744 48494667 51868804 59173998 61690116 64659556 66830959 75275304 77803206 78898664 81548246 96989334 103737608 118347996 122322369 123380232 129319112 133661918 155606412 163096492 168573613 193978668 200492877 210143557 236695992 244644738 267323836 311212824 326192984 337147226 344436481 387957336 400985754 420287114 489289476 505720839 534647672 630430671 674294452 688872962 801971508 840574228 868802467 978578952 1011441678 1033309443 1260861342 1348588904 1377745924 1603943016 1681148456 1737604934 2022883356 2066618886 2521722684 2606407401 2731866241 2755491848 3475209868 4045766712 4133237772 4477674253 5043445368 5212814802 5463732482 6950419736 8195598723 8266475544 8955348506 10425629604 10927464964 11294432071 13433022759 16391197446 17910697012 20851259208 21854929928 22588864142 26866045518 32782394892 33883296213 35821394024 45177728284 53732091036 58209765289 65564789784 67766592426 90355456568 107464182072 116419530578 135533184852 174629295867 232839061156 271066369704 349258591734 465678122312 698517183468 756726948757 1397034366936 1513453897514 2270180846271 3026907795028 4540361692542 6053815590056 9080723385084 18161446770168
• Sum of all divisors σ(n): 50111504377200
• Sum of proper divisors (its aliquot sum) s(n): 31950057607032
• 18161446770168 is an abundant number, because the sum of its proper divisors (31950057607032) is greater than itself. Its abundance is 13788610836864

Bases of 18161446770168

• Binary: 100001000010010001010100101010101010111111000₂
• Hexadecimal: 0x10848A9555F8
• Base-36: 6FR94HQ0O

Squares and roots of 18161446770168

• 18161446770168 squared (18161446770168²) is 329838148785645679014748224
• 18161446770168 cubed (18161446770168³) is 5990337981941256948502844389202514181632
• The square root of 18161446770168 is 4261624.8978726411
• The cube root of 18161446770168 is 26285.5345908925

Scales and comparisons

• 18,161,446,770,168 seconds is equal to 577,477 years, 43 weeks, 1 day, 5 hours, 2 minutes, 48 seconds.
• To count from 1 to 18,161,446,770,168 would take you about one million, four hundred forty-three thousand, six hundred ninety-four 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 18161446770168 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18161446770168

• 18161446770168 backwards is 86107764416181
• The number of decimal digits it has is: 14
• The sum of 18161446770168's digits is 60
• More coming soon!