30991610544128

Names of 30991610544128

• Cardinal: 30991610544128 can be written as Thirty trillion, nine hundred ninety-one billion, six hundred ten million, five hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0991610544128 × 10¹³

Factors of 30991610544128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 123

Divisors of 30991610544128

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 8 13 16 26 32 47 52 61 64 94 104 122 128 169 188 208 244 256 338 376 416 488 512 611 676 752 793 832 976 1024 1222 1352 1504 1586 1664 1952 2048 2444 2704 2867 3008 3172 3328 3721 3904 4096 4888 5408 5734 6016 6344 6656 7442 7808 7943 8192 9776 10309 10816 11468 12032 12688 13312 14884 15616 15886 16384 19552 20618 21632 22936 24064 25376 26624 29768 31232 31772 32768 37271 39104 41236 43264 45872 48128 48373 50752 53248 59536 62464 63544 65536 74542 78208 82472 86528 91744 96256 96746 101504 106496 119072 124928 127088 131072 149084 156416 164944 173056 174887 183488 192512 193492 203008 212992 238144 249856 254176 262144 298168 312832 329888 346112 349774 366976 385024 386984 406016 425984 476288 484523 499712 508352 524288 596336 625664 628849 659776 692224 699548 733952 770048 773968 812032 851968 952576 969046 999424 1016704 1048576 1192672 1251328 1257698 1319552 1384448 1399096 1467904 1540096 1547936 1624064 1703936 1905152 1938092 1998848 2033408 2273531 2385344 2502656 2515396 2639104 2768896 2798192 2935808 3080192 3095872 3248128 3407872 3810304 3876184 3997696 4066816 4547062 4770688 5005312 5030792 5278208 5537792 5596384 5871616 6160384 6191744 6496256 6815744 7620608 7752368 7995392 8133632 9094124 9541376 10010624 10061584 10556416 11075584 11192768 11743232 12320768 12383488 12992512 13631488 15241216 15504736 15990784 16267264 18188248 19082752 20021248 20123168 21112832 22151168 22385536 23486464 24641536 24766976 25985024 29555903 30482432 31009472 31981568 32534528 36376496 38165504 40042496 40246336 42225664 44302336 44771072 46972928 49283072 49533952 51970048 59111806 60964864 62018944 63963136 65069056 72752992 76331008 80084992 80492672 84451328 88604672 89542144 93945856 99067904 103940096 118223612 121929728 124037888 130138112 145505984 152662016 160169984 160985344 168902656 177209344 179084288 187891712 198135808 207880192 236447224 243859456 248075776 260276224 291011968 305324032 320339968 321970688 337805312 358168576 375783424 396271616 415760384 472894448 487718912 496151552 520552448 582023936 610648064 640679936 643941376 675610624 716337152 751566848 792543232 831520768 945788896 975437824 992303104 1041104896 1164047872 1221296128 1287882752 1351221248 1432674304 1503133696 1585086464 1891577792 1950875648 1984606208 2082209792 2328095744 2442592256 2575765504 2702442496 2865348608 3006267392 3170172928 3783155584 3901751296 3969212416 4164419584 4656191488 4885184512 5151531008 5404884992 5730697216 6340345856 7566311168 7938424832 8328839168 9312382976 9770369024 10303062016 10809769984 11461394432 12680691712 15132622336 15876849664 18624765952 19540738048 20606124032 22922788864 25361383424 30265244672 31753699328 37249531904 39081476096 41212248064 45845577728 50722766848 60530489344 63507398656 74499063808 82424496128 91691155456 121060978688 127014797312 148998127616 164848992256 183382310912 242121957376 254029594624 297996255232 329697984512 484243914752 508059189248 595992510464 659395969024 968487829504 1191985020928 1936975659008 2383970041856 3873951318016 7747902636032 15495805272064 30991610544128
• Sum of all divisors σ(n): 69688059294672
• Sum of proper divisors (its aliquot sum) s(n): 38696448750544
• 30991610544128 is an abundant number, because the sum of its proper divisors (38696448750544) is greater than itself. Its abundance is 7704838206416

Bases of 30991610544128

• Binary: 111000010111111001011111100000000000000000000₂
• Hexadecimal: 0x1C2FCBF00000
• Base-36: AZHCKQKU8

Squares and roots of 30991610544128

• 30991610544128 squared (30991610544128²) is 960479924118905828235280384
• 30991610544128 cubed (30991610544128³) is 29766819743746743206366788407584884785152
• The square root of 30991610544128 is 5567010.9164728607
• The cube root of 30991610544128 is 31410.9724537919

Scales and comparisons

• 30,991,610,544,128 seconds is equal to 985,437 years, 18 weeks, 2 days, 2 hours, 42 minutes, 8 seconds.
• To count from 1 to 30,991,610,544,128 would take you about two million, four hundred sixty-three thousand, five hundred ninety-three 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 30991610544128 cubic inches would be around 2617.6 feet tall.

Recreational maths with 30991610544128

• 30991610544128 backwards is 82144501619903
• The number of decimal digits it has is: 14
• The sum of 30991610544128's digits is 53
• More coming soon!