991366838064512

Names of 991366838064512

• Cardinal: 991366838064512 can be written as Nine hundred ninety-one trillion, three hundred sixty-six billion, eight hundred thirty-eight million, sixty-four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 9.91366838064512 × 10¹⁴

Factors of 991366838064512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 170

Divisors of 991366838064512

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 64 68 91 104 112 119 128 131 136 182 208 221 224 238 262 272 289 364 416 442 448 476 524 544 578 728 832 884 896 917 952 1048 1088 1156 1456 1547 1664 1703 1768 1834 1904 2023 2096 2176 2227 2312 2912 3094 3406 3536 3668 3757 3808 4046 4192 4454 4624 5824 6188 6812 7072 7336 7514 7616 8092 8384 8908 9248 11648 11921 12376 13624 14144 14672 15028 15232 15589 16184 16768 17161 17816 18496 23842 24752 26299 27248 28288 28951 29344 30056 31178 32368 34322 35632 36992 37859 47684 49504 52598 54496 57902 58688 60112 62356 64736 68644 71264 75718 95368 99008 105196 108992 115804 117376 120127 120224 124712 129472 137288 142528 151436 190736 198016 202657 210392 217984 223093 231608 240254 240448 249424 258944 265013 274576 285056 291737 302872 381472 405314 420784 446186 463216 480508 480896 492167 498848 530026 549152 583474 605744 762944 810628 841568 892372 926432 961016 984334 997696 1060052 1098304 1166948 1211488 1525888 1561651 1621256 1683136 1784744 1852864 1922032 1968668 1995392 2042159 2120104 2196608 2248091 2333896 2422976 3123302 3242512 3366272 3445169 3569488 3705728 3792581 3844064 3937336 4084318 4240208 4496182 4667792 4845952 4959529 6246604 6485024 6890338 7138976 7585162 7688128 7874672 8168636 8480416 8992364 9335584 9919058 12493208 12970048 13780676 14277952 15170324 15376256 15736637 15749344 16337272 16960832 17984728 18671168 19838116 24986416 25940096 26548067 27561352 28555904 29225183 30340648 31473274 31498688 32674544 33921664 34716703 35969456 37342336 38217547 39676232 49972832 53096134 55122704 58450366 60681296 62946548 62997376 64473877 65349088 69433406 71938912 76435094 79352464 99945664 106192268 110245408 116900732 121362592 125893096 128947754 130698176 138866812 143877824 152870188 158704928 199891328 204576281 212384536 220490816 233801464 242725184 251786192 257895508 261396352 267522829 277733624 287755648 294499921 305740376 317409856 409152562 424769072 440981632 451317139 467602928 485450368 496828111 503572384 515791016 535045658 555467248 588999842 611480752 634819712 649698299 818305124 849538144 902634278 935205856 993656222 1007144768 1031582032 1070091316 1110934496 1177999684 1222961504 1299396598 1636610248 1699076288 1805268556 1870411712 1987312444 2014289536 2061499447 2063164064 2140182632 2221868992 2355999368 2445923008 2598793196 3273220496 3398152576 3477796777 3610537112 3740823424 3828498973 3974624888 4122998894 4126328128 4280365264 4443737984 4547888093 4711998736 4891846016 5006498657 5197586392 6546440992 6955593554 7221074224 7656997946 7949249776 8245997788 8252656256 8446077887 8560730528 9095776186 9423997472 10012997314 10395172784 13092881984 13911187108 14442148448 15313995892 15898499552 16491995576 16892155774 17121461056 18191552372 18847994944 20025994628 20790345568 26185763968 26799492811 27822374216 28884296896 30627991784 31796999104 32983991152 33784311548 34242922112 35045490599 36383104744 37695989888 40051989256 41580691136 53598985622 55644748432 57768593792 59122545209 61255983568 63593998208 65084482541 65967982304 67568623096 70090981198 72766209488 80103978512 83161382272 85110477169 107197971244 111289496864 118245090418 122511967136 130168965082 131935964608 135137246192 140181962396 145532418976 160207957024 170220954338 214395942488 222578993728 236490180836 245023934272 260337930164 263871929216 270274492384 280363924792 291064837952 320415914048 340441908676 428791884976 445157987456 455591377787 472980361672 490047868544 520675860328 540548984768 560727849584 582129675904 595773340183 640831828096 680883817352 857583769952 911182755574 945960723344 1041351720656 1081097969536 1106436203197 1121455699168 1191546680366 1361767634704 1715167539904 1822365511148 1891921446688 2082703441312 2212872406394 2242911398336 2383093360732 2723535269408 3430335079808 3644731022296 3783842893376 4165406882624 4425744812788 4485822796672 4766186721464 5447070538816 7289462044592 7567685786752 7745053422379 8330813765248 8851489625576 9532373442928 10894141077632 14578924089184 15490106844758 17702979251152 19064746885856 29157848178368 30980213689516 35405958502304 38129493771712 58315696356736 61960427379032 70811917004608 76258987543424 123920854758064 141623834009216 247841709516128 495683419032256 991366838064512
• Sum of all divisors σ(n): 2602014453015600
• Sum of proper divisors (its aliquot sum) s(n): 1610647614951088
• 991366838064512 is an abundant number, because the sum of its proper divisors (1610647614951088) is greater than itself. Its abundance is 619280776886576

Bases of 991366838064512

• Binary: 11100001011010010010010100001110011001010110000000₂
• Hexadecimal: 0x385A494399580
• Base-36: 9RERMZ1TA8

Squares and roots of 991366838064512

• 991366838064512 squared (991366838064512²) is 982808207614028358910273798144
• 991366838064512 cubed (991366838064512³) is 974323465206169741704803458470287131937865728
• The square root of 991366838064512 is 31485978.4358770087
• The cube root of 991366838064512 is 99711.3958130005

Scales and comparisons

• 991,366,838,064,512 seconds is equal to 31,522,398 years, 49 weeks, 3 days, 8 hours, 8 minutes, 32 seconds.
• To count from 1 to 991,366,838,064,512 would take you about seventy-eight million, eight hundred five 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 991366838064512 cubic inches would be around 8309.3 feet tall.

Recreational maths with 991366838064512

• 991366838064512 backwards is 215460838663199
• The number of decimal digits it has is: 15
• The sum of 991366838064512's digits is 71
• More coming soon!