128271356928

Names of 128271356928

• Cardinal: 128271356928 can be written as One hundred twenty-eight billion, two hundred seventy-one million, three hundred fifty-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28271356928 × 10¹¹

Factors of 128271356928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 7516

Divisors of 128271356928

• Number of divisors d(n): 396
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 64 66 72 78 88 96 99 104 117 128 132 143 144 156 169 176 192 198 208 234 256 264 286 288 312 338 352 384 396 416 429 468 507 512 528 572 576 624 676 704 768 792 832 858 936 1014 1024 1056 1144 1152 1248 1287 1352 1408 1521 1536 1584 1664 1716 1859 1872 2028 2112 2288 2304 2496 2574 2704 2816 3042 3072 3168 3328 3432 3718 3744 4056 4224 4576 4608 4992 5148 5408 5577 5632 6084 6336 6656 6864 7436 7487 7488 8112 8448 9152 9216 9984 10296 10816 11154 11264 12168 12672 13312 13728 14872 14974 14976 16224 16731 16896 18304 19968 20592 21632 22308 22461 24336 25344 27456 29744 29948 29952 32448 33462 33792 36608 39936 41184 43264 44616 44922 48672 50688 54912 59488 59896 59904 64896 66924 67383 73216 82357 82368 86528 89232 89844 97331 97344 101376 109824 118976 119792 119808 129792 133848 134766 146432 164714 164736 173056 178464 179688 194662 194688 219648 237952 239584 247071 259584 267696 269532 291993 329428 329472 356928 359376 389324 389376 439296 475904 479168 494142 519168 535392 539064 583986 658856 658944 713856 718752 741213 778648 778752 875979 951808 958336 988284 1070641 1070784 1078128 1167972 1265303 1317712 1317888 1427712 1437504 1482426 1557296 1557504 1751958 1903616 1916672 1976568 2141282 2141568 2156256 2335944 2530606 2635424 2855424 2875008 2964852 3114592 3211923 3503916 3795909 3833344 3953136 4282564 4283136 4312512 4671888 5061212 5270848 5710848 5750016 5929704 6229184 6423846 7007832 7591818 7666688 7906272 8565128 8566272 8625024 9343776 9635769 10122424 10541696 11387727 11500032 11859408 12458368 12847692 13918333 14015664 15183636 15812544 17130256 17132544 17250048 18687552 19271538 20244848 21083392 22775454 23000064 23718816 24916736 25695384 27836666 28031328 30367272 31625088 34260512 34500096 37375104 38543076 40489696 41754999 42166784 45550908 47437632 49833472 51390768 55673332 56062656 60734544 63250176 68521024 69000192 74750208 77086152 80979392 83509998 84333568 91101816 94875264 99666944 102781536 111346664 112125312 121469088 125264997 126500352 137042048 149500416 154172304 161958784 167019996 182203632 189750528 205563072 222693328 224250624 242938176 250529994 253000704 274084096 299000832 308344608 323917568 334039992 364407264 379501056 411126144 445386656 448501248 485876352 501059988 548168192 616689216 647835136 668079984 728814528 759002112 822252288 890773312 897002496 971752704 1002119976 1096336384 1233378432 1295670272 1336159968 1457629056 1644504576 1781546624 1943505408 2004239952 2466756864 2672319936 2915258112 3289009152 3563093248 3887010816 4008479904 4933513728 5344639872 5830516224 7126186496 8016959808 9867027456 10689279744 11661032448 14252372992 16033919616 21378559488 32067839232 42757118976 64135678464 128271356928
• Sum of all divisors σ(n): 437581916928
• Sum of proper divisors (its aliquot sum) s(n): 309310560000
• 128271356928 is an abundant number, because the sum of its proper divisors (309310560000) is greater than itself. Its abundance is 181039203072

Bases of 128271356928

• Binary: 1110111011101100100011001010000000000₂
• Hexadecimal: 0x1DDD919400
• Base-36: 1MXDGCG0

Squares and roots of 128271356928

• 128271356928 squared (128271356928²) is 16453541008150373597184
• 128271356928 cubed (128271356928³) is 2110518031385941528780936159690752
• The square root of 128271356928 is 358149.9084573385
• The cube root of 128271356928 is 5043.2430224069

Scales and comparisons

• 128,271,356,928 seconds is equal to 4,078 years, 32 weeks, 6 days, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 128,271,356,928 would take you about eight thousand, one hundred fifty-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 128271356928 cubic inches would be around 420.3 feet tall.

Recreational maths with 128271356928

• 128271356928 backwards is 829653172821
• The number of decimal digits it has is: 12
• The sum of 128271356928's digits is 54
• More coming soon!