668537805340672

Names of 668537805340672

• Cardinal: 668537805340672 can be written as Six hundred sixty-eight trillion, five hundred thirty-seven billion, eight hundred five million, three hundred forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.68537805340672 × 10¹⁴

Factors of 668537805340672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 399

Divisors of 668537805340672

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 8 16 19 29 32 38 58 64 76 116 128 152 232 256 304 349 361 464 512 551 608 698 722 928 1024 1102 1216 1396 1444 1856 2048 2204 2432 2792 2888 3712 4096 4408 4864 5584 5776 6631 7424 8192 8816 9728 10121 10469 11168 11552 13262 14848 16384 17632 19456 20242 20938 22336 23104 26524 29696 32768 35264 38912 40484 41876 44672 46208 53048 59392 65536 70528 77824 80968 83752 89344 92416 106096 118784 121801 125989 131072 141056 155648 161936 167504 178688 184832 192299 212192 237568 243602 251978 262144 282112 311296 323872 335008 357376 369664 384598 424384 475136 487204 503956 524288 564224 622592 647744 670016 714752 739328 769196 848768 950272 974408 1007912 1128448 1245184 1295488 1340032 1429504 1478656 1538392 1697536 1900544 1948816 2015824 2256896 2314219 2490368 2590976 2680064 2859008 2957312 3076784 3395072 3532229 3653681 3801088 3897632 4031648 4513792 4628438 4980736 5181952 5360128 5718016 5914624 6153568 6790144 7064458 7307362 7602176 7795264 8063296 9027584 9256876 9961472 10363904 10720256 11436032 11829248 12307136 13580288 14128916 14614724 15204352 15590528 16126592 18055168 18513752 20727808 21440512 22872064 23658496 24614272 27160576 28257832 29229448 31181056 32253184 36110336 37027504 41455616 42881024 43970161 45744128 47316992 49228544 54321152 56515664 58458896 62362112 64506368 67112351 72220672 74055008 82911232 85762048 87940322 91488256 94633984 98457088 108642304 113031328 116917792 124724224 129012736 134224702 144441344 148110016 165822464 171524096 175880644 182976512 189267968 196914176 217284608 226062656 233835584 249448448 258025472 268449404 288882688 296220032 331644928 343048192 351761288 393828352 434569216 452125312 467671168 498896896 516050944 536898808 592440064 663289856 686096384 703522576 787656704 869138432 904250624 935342336 997793792 1032101888 1073797616 1184880128 1275134669 1326579712 1372192768 1407045152 1575313408 1738276864 1808501248 1870684672 1995587584 2064203776 2147595232 2369760256 2550269338 2653159424 2744385536 2814090304 3150626816 3476553728 3617002496 3741369344 3991175168 4128407552 4295190464 4739520512 5100538676 5306318848 5488771072 5628180608 6301253632 7234004992 7482738688 7982350336 8256815104 8590380928 9479041024 10201077352 11256361216 12602507264 14468009984 14965477376 15964700672 16513630208 17180761856 18958082048 20402154704 22512722432 25205014528 28936019968 29930954752 31929401344 33027260416 34361523712 37916164096 40804309408 45025444864 50410029056 57872039936 59861909504 63858802688 66054520832 68723047424 75832328192 81608618816 90050889728 100820058112 115744079872 119723819008 137446094848 151664656384 163217237632 180101779456 231488159744 239447638016 274892189696 303329312768 326434475264 360203558912 462976319488 478895276032 549784379392 606658625536 652868950528 720407117824 925952638976 957790552064 1099568758784 1213317251072 1305737901056 1440814235648 1851905277952 1915581104128 2199137517568 2611475802112 2881628471296 4398275035136 5222951604224 5763256942592 8796550070272 10445903208448 11526513885184 17593100140544 20891806416896 23053027770368 35186200281088 41783612833792 83567225667584 167134451335168 334268902670336 668537805340672
• Sum of all divisors σ(n): 1464005661549750
• Sum of proper divisors (its aliquot sum) s(n): 795467856209078
• 668537805340672 is an abundant number, because the sum of its proper divisors (795467856209078) is greater than itself. Its abundance is 126930050868406

Bases of 668537805340672

• Binary: 10011000000000100000010110011010000000000000000000₂
• Hexadecimal: 0x2600816680000
• Base-36: 6KZ6105Y4G

Squares and roots of 668537805340672

• 668537805340672 squared (668537805340672²) is 446942797169722247325977411584
• 668537805340672 cubed (668537805340672³) is 298798156732667220284379675660984309879144448
• The square root of 668537805340672 is 25856098.0300715909
• The cube root of 668537805340672 is 87439.6996386337

Scales and comparisons

• 668,537,805,340,672 seconds is equal to 21,257,434 years, 14 weeks, 6 days, 7 hours, 57 minutes, 52 seconds.
• To count from 1 to 668,537,805,340,672 would take you about fifty-three million, one hundred forty-three thousand, five hundred eighty-five 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 668537805340672 cubic inches would be around 7286.6 feet tall.

Recreational maths with 668537805340672

• 668537805340672 backwards is 276043508735866
• The number of decimal digits it has is: 15
• The sum of 668537805340672's digits is 70
• More coming soon!