18665359859168

Names of 18665359859168

• Cardinal: 18665359859168 can be written as Eighteen trillion, six hundred sixty-five billion, three hundred fifty-nine million, eight hundred fifty-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8665359859168 × 10¹³

Factors of 18665359859168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 804

Divisors of 18665359859168

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 11 16 22 29 32 44 58 61 88 116 122 176 232 244 319 352 464 488 638 671 701 928 976 1276 1342 1402 1769 1952 2552 2684 2804 3538 3721 5104 5368 5608 7076 7442 7711 10208 10736 11216 14152 14884 15422 19459 20329 21472 22432 28304 29768 30844 38918 40658 40931 42761 56608 59536 61688 77836 81316 81862 85522 107909 119072 123376 155672 162632 163724 171044 215818 223619 246752 311344 325264 327448 342088 431636 447238 470371 491401 622688 650528 654896 684176 863272 894476 940742 982802 1186999 1240069 1309792 1368352 1726544 1788952 1881484 1965604 2373998 2480138 2608421 3453088 3577904 3762968 3931208 4747996 4960276 5216842 5405411 7155808 7525936 7862416 9495992 9920552 10433684 10810822 13640759 14250629 15051872 15724832 18991984 19841104 20867368 21621644 27281518 28501258 28692631 29975461 37983968 39682208 41734736 43243288 54563036 57002516 57385262 59950922 75644209 83469472 86486576 109126072 114005032 114770524 119901844 151288418 156756919 172973152 218252144 228010064 229541048 239803688 302576836 313513838 329730071 436504288 456020128 459082096 479607376 605153672 627027676 659460142 832086299 869288369 918164192 959214752 1210307344 1254055352 1318920284 1664172598 1738576738 1828503121 2420614688 2508110704 2637840568 3328345196 3477153476 3657006242 5016221408 5275681136 6656690392 6954306952 7314012484 9562172059 10551362272 13313380784 13908613904 14628024968 19124344118 20113534331 26626761568 27817227808 29256049936 38248688236 40227068662 53026590509 58512099872 76497376472 80454137324 106053181018 152994752944 160908274648 212106362036 305989505888 321816549296 424212724072 583292495599 643633098592 848425448144 1166584991198 1696850896288 2333169982396 4666339964792 9332679929584 18665359859168
• Sum of all divisors σ(n): 42221669719320
• Sum of proper divisors (its aliquot sum) s(n): 23556309860152
• 18665359859168 is an abundant number, because the sum of its proper divisors (23556309860152) is greater than itself. Its abundance is 4890950000984

Bases of 18665359859168

• Binary: 100001111100111011110001001001101110111100000₂
• Hexadecimal: 0x10F9DE24DDE0
• Base-36: 6M6QXC1Y8

Squares and roots of 18665359859168

• 18665359859168 squared (18665359859168²) is 348395658672240060793652224
• 18665359859168 cubed (18665359859168³) is 6502930342489225339006492234069009989632
• The square root of 18665359859168 is 4320342.5627105081
• The cube root of 18665359859168 is 26526.4290070301

Scales and comparisons

• 18,665,359,859,168 seconds is equal to 593,500 years, 36 weeks, 5 days, 15 hours, 6 minutes, 8 seconds.
• To count from 1 to 18,665,359,859,168 would take you about one million, four hundred eighty-three thousand, seven hundred fifty-one 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 18665359859168 cubic inches would be around 2210.5 feet tall.

Recreational maths with 18665359859168

• 18665359859168 backwards is 86195895356681
• The number of decimal digits it has is: 14
• The sum of 18665359859168's digits is 80
• More coming soon!