128655728321536

Names of 128655728321536

• Cardinal: 128655728321536 can be written as One hundred twenty-eight trillion, six hundred fifty-five billion, seven hundred twenty-eight million, three hundred twenty-one thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 1.28655728321536 × 10¹⁴

Factors of 128655728321536

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1181

Divisors of 128655728321536

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 8 13 16 26 32 37 52 64 74 104 128 148 169 208 256 296 338 416 481 512 592 676 832 962 1024 1129 1184 1352 1369 1664 1924 2197 2258 2368 2704 2738 3328 3848 4394 4516 4736 5408 5476 6253 6656 7696 8788 9032 9472 10816 10952 12506 13312 14677 15392 17576 17797 18064 18944 21632 21904 25012 29354 30784 35152 35594 36128 37888 41773 43264 43808 50024 50653 58708 61568 70304 71188 72256 81289 83546 86528 87616 100048 101306 117416 123136 140608 142376 144512 162578 167092 173056 175232 190801 200096 202612 231361 234832 246272 281216 284752 289024 325156 334184 350464 381602 400192 405224 462722 469664 492544 543049 562432 569504 578048 650312 658489 668368 700928 763204 800384 810448 925444 939328 1086098 1124864 1139008 1156096 1300624 1316978 1336736 1401856 1526408 1545601 1600768 1620896 1850888 1878656 2172196 2249728 2278016 2480413 2601248 2633956 2673472 3007693 3052816 3091202 3201536 3241792 3701776 3757312 4344392 4556032 4960826 5202496 5267912 5346944 6015386 6105632 6182404 6403072 6483584 7059637 7403552 7514624 8560357 8688784 9112064 9921652 10404992 10535824 10693888 12030772 12211264 12364808 12967168 14119274 14807104 15029248 17120714 17377568 18224128 19843304 20092813 20809984 21071648 21387776 24061544 24422528 24729616 25934336 28238548 29614208 34241428 34755136 39686608 40185626 41619968 42143296 42775552 48123088 48845056 49459232 51868672 56477096 57187237 59228416 68482856 69510272 79373216 80371252 83239936 84286592 91775281 96246176 97690112 98918464 111284641 112954192 114374474 118456832 136965712 139020544 158746432 160742504 168573184 183550562 192492352 195380224 197836928 222569282 225908384 228748948 236913664 261206569 273931424 278041088 317492864 321485008 337146368 367101124 384984704 395673856 445138564 451816768 457497896 522413138 547862848 556082176 634985728 642970016 674292736 734202248 743434081 769969408 791347712 890277128 903633536 914995792 1044826276 1095725696 1269971456 1285940032 1468404496 1486868162 1539938816 1582695424 1780554256 1807267072 1829991584 2089652552 2191451392 2539942912 2571880064 2936808992 2973736324 3079877632 3395685397 3561108512 3614534144 3659983168 4179305104 4382902784 5143760128 5873617984 5947472648 6791370794 7122217024 7229068288 7319966336 8358610208 8765805568 9664643053 10287520256 11747235968 11894945296 13582741588 14244434048 14639932672 16717220416 19329286106 20575040512 23494471936 23789890592 27165483176 28488868096 29279865344 33434440832 38658572212 46988943872 47579781184 54330966352 56977736192 58559730688 66868881664 77317144424 93977887744 95159562368 108661932704 113955472384 125640359689 133737763328 154634288848 190319124736 217323865408 251280719378 267475526656 309268577696 380638249472 434647730816 502561438756 618537155392 761276498944 869295461632 1005122877512 1237074310784 1738590923264 2010245755024 2474148621568 3477181846528 4020491510048 4948297243136 8040983020096 9896594486272 16081966040192 32163932080384 64327864160768 128655728321536
• Sum of all divisors σ(n): 286600805708000
• Sum of proper divisors (its aliquot sum) s(n): 157945077386464
• 128655728321536 is an abundant number, because the sum of its proper divisors (157945077386464) is greater than itself. Its abundance is 29289349064928

Bases of 128655728321536

• Binary: 11101010000001011111110111111000010010000000000₂
• Hexadecimal: 0x7502FEFC2400
• Base-36: 19LRMIULTS

Squares and roots of 128655728321536

• 128655728321536 squared (128655728321536²) is 16552296429944880419801399296
• 128655728321536 cubed (128655728321536³) is 2129547752588518775181251712506830212038656
• The square root of 128655728321536 is 11342650.8507286779
• The cube root of 128655728321536 is 50482.7544056427

Scales and comparisons

• 128,655,728,321,536 seconds is equal to 4,090,854 years, 10 weeks, 3 days, 15 hours, 32 minutes, 16 seconds.
• To count from 1 to 128,655,728,321,536 would take you about ten million, two hundred twenty-seven thousand, one hundred thirty-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 128655728321536 cubic inches would be around 4206.9 feet tall.

Recreational maths with 128655728321536

• 128655728321536 backwards is 635123827556821
• 128655728321536 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128655728321536's digits is 64
• More coming soon!