165381347854372416

Names of 165381347854372416

• Cardinal: 165381347854372416 can be written as One hundred sixty-five quadrillion, three hundred eighty-one trillion, three hundred forty-seven billion, eight hundred fifty-four million, three hundred seventy-two thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.65381347854372416 × 10¹⁷

Factors of 165381347854372416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 581

Divisors of 165381347854372416

• Number of divisors d(n): 392
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 169 192 208 312 338 416 507 563 624 676 832 1014 1126 1248 1352 1689 2028 2197 2252 2496 2704 3378 4056 4394 4504 5408 6591 6756 7319 8112 8788 9008 10816 13182 13512 14638 16224 17576 18016 21957 26364 27024 28561 29276 32448 35152 36032 43914 52728 54048 57122 58552 70304 85683 87828 95147 105456 108096 114244 117104 140608 171366 175656 190294 210912 228488 234208 285441 316969 342732 351312 371293 380588 421824 456976 468416 570882 633938 685464 702624 742586 761176 913952 950907 1113879 1141764 1236911 1267876 1370928 1405248 1485172 1522352 1827904 1901814 2227758 2283528 2473822 2535752 2741856 2970344 3044704 3710733 3803628 4120597 4455516 4567056 4826809 4947644 5071504 5483712 5940688 6089408 7421466 7607256 8241194 8911032 9134112 9653618 9895288 10143008 11881376 12361791 14480427 14842932 15214512 16079843 16482388 17822064 18268224 19307236 19790576 20286016 23762752 24723582 28960854 29685864 30429024 32159686 32964776 35644128 38614472 39581152 48239529 49447164 53567761 57921708 59371728 60858048 64319372 65929552 71288256 77228944 79162304 96479058 98894328 107135522 115843416 118743456 128638744 131859104 154457888 160703283 178453547 192958116 197788656 209037959 214271044 231686832 237486912 257277488 263718208 308915776 321406566 356907094 385916232 395577312 418075918 428542088 463373664 514554976 535360641 627113877 642813132 696380893 713814188 771832464 791154624 836151836 857084176 926747328 1029109952 1070721282 1254227754 1285626264 1392761786 1427628376 1543664928 1672303672 1714168352 2089142679 2141442564 2319896111 2508455508 2571252528 2717493467 2785523572 2855256752 3087329856 3344607344 3428336704 4178285358 4282885128 4639792222 5016911016 5142505056 5434986934 5571047144 5710513504 6689214688 6959688333 8152480401 8356570716 8565770256 9052951609 9279584444 10033822032 10285010112 10869973868 11142094288 11421027008 13378429376 13919376666 16304960802 16713141432 17131540512 18105903218 18559168888 20067644064 21739947736 22284188576 27158854827 27838753332 30158649443 32609921604 33426282864 34263081024 36211806436 37118337776 40135288128 43479895472 44568377152 54317709654 55677506664 60317298886 65219843208 66852565728 72423612872 74236675552 86959790944 90475948329 108635419308 111355013328 117688370917 120634597772 130439686416 133705131456 144847225744 148473351104 173919581888 180951896658 217270838616 222710026656 235376741834 241269195544 260879372832 289694451488 353065112751 361903793316 392062442759 434541677232 445420053312 470753483668 482538391088 521758745664 579388902976 706130225502 723807586632 784124885518 869083354464 941506967336 965076782176 1176187328277 1412260451004 1447615173264 1529948821921 1568249771036 1738166708928 1883013934672 1930153564352 2352374656554 2824520902008 2895230346528 3059897643842 3136499542072 3766027869344 4589846465763 4704749313108 5096811755867 5649041804016 5790460693056 6119795287684 6272999084144 7532055738688 9179692931526 9409498626216 10193623511734 11298083608032 12239590575368 12545998168288 15290435267601 18359385863052 18818997252432 20387247023468 22596167216064 24479181150736 25091996336576 30580870535202 36718771726104 37637994504864 40774494046936 48958362301472 61161741070404 66258552826271 73437543452208 75275989009728 81548988093872 97916724602944 122323482140808 132517105652542 146875086904416 163097976187744 198775658478813 244646964281616 265034211305084 293750173808832 326195952375488 397551316957626 489293928563232 530068422610168 795102633915252 861361186741523 978587857126464 1060136845220336 1590205267830504 1722722373483046 2120273690440672 2584083560224569 3180410535661008 3445444746966092 4240547380881344 5168167120449138 6360821071322016 6890889493932184 10336334240898276 12721642142644032 13781778987864368 20672668481796552 27563557975728736 41345336963593104 55127115951457472 82690673927186208 165381347854372416
• Sum of all divisors σ(n): 474879245554031520
• Sum of proper divisors (its aliquot sum) s(n): 309497897699659104
• 165381347854372416 is an abundant number, because the sum of its proper divisors (309497897699659104) is greater than itself. Its abundance is 144116549845286688

Bases of 165381347854372416

• Binary: 1001001011100011010111010110101011010101011100111001000000₂
• Hexadecimal: 0x24B8D75AB55CE40
• Base-36: 198ESMCSMNUO

Squares and roots of 165381347854372416

• 165381347854372416 squared (165381347854372416²) is 27350990218128931725400929221677056
• 165381347854372416 cubed (165381347854372416³) is 4523343627425918141073022187462453588043657906487296
• The square root of 165381347854372416 is 406671056.0814138097
• The cube root of 165381347854372416 is 548902.8794641559

Scales and comparisons

• 165,381,347,854,372,416 seconds is equal to 5,258,615,303 years, 34 weeks, 6 days, 17 hours, 13 minutes, 36 seconds.
• To count from 1 to 165,381,347,854,372,416 would take you about fifteen billion, seven hundred seventy-five million, eight hundred forty-five thousand, nine hundred eleven 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 165381347854372416 cubic inches would be around 45741.9 feet tall.

Recreational maths with 165381347854372416

• 165381347854372416 backwards is 614273458743183561
• 165381347854372416 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 165381347854372416's digits is 78
• More coming soon!