128231962785836448

Names of 128231962785836448

• Cardinal: 128231962785836448 can be written as One hundred twenty-eight quadrillion, two hundred thirty-one trillion, nine hundred sixty-two billion, seven hundred eighty-five million, eight hundred thirty-six thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.28231962785836448 × 10¹⁷

Factors of 128231962785836448

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3653952

Divisors of 128231962785836448

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 23 24 28 32 33 42 44 46 48 56 66 69 77 84 88 92 96 112 132 138 154 161 168 176 184 224 231 253 264 276 308 322 336 352 368 462 483 506 528 552 616 644 672 736 759 924 966 1012 1056 1104 1232 1288 1518 1771 1848 1932 2024 2208 2464 2576 3036 3542 3696 3864 4048 5152 5313 6072 7084 7392 7728 8096 10626 12144 14168 15456 21252 24288 28336 42504 56672 85008 170016 219619 439238 658857 878476 1317714 1537333 1756952 2415809 2635428 3074666 3434287 3513904 4611999 4831618 5051237 5270856 6149332 6868574 7027808 7247427 9223998 9663236 10102474 10302861 10541712 12298664 13737148 14494854 15153711 16910663 18447996 19326472 20204948 20605722 21083424 24040009 24597328 27474296 28989708 30307422 33821326 35358659 36895992 37777157 38652944 40409896 41211444 48080018 49194656 50731989 54948592 55563607 57979416 60614844 67642652 70717318 72120027 73791984 75554314 77305888 78988601 80819792 82422888 96160036 101463978 106075977 109897184 111127214 113331471 115958832 121229688 135285304 141434636 144240054 147583968 151108628 157977202 161639584 164845776 166690821 192320072 202927956 212151954 222254428 226662942 231917664 236965803 242459376 264440099 270570608 282869272 288480108 302217256 315954404 329691552 333381642 384640144 388945249 405855912 424303908 444508856 453325884 473931606 484918752 528880198 541141216 552920207 565738544 576960216 604434512 631908808 666763284 769280288 777890498 793320297 811711824 848607816 868874611 889017712 906651768 947863212 1057760396 1105840414 1131477088 1153920432 1166835747 1208869024 1263817616 1333526568 1555780996 1586640594 1623423648 1658760621 1697215632 1737749222 1778035424 1813303536 1895726424 2115520792 2211680828 2307840864 2333671494 2527635232 2606623833 2667053136 3111561992 3173281188 3317521242 3394431264 3475498444 3626607072 3791452848 4231041584 4423361656 4667342988 5213247666 5334106272 6082122277 6223123984 6346562376 6635042484 6950996888 7582905696 8462083168 8846723312 9334685976 10426495332 12164244554 12446247968 12693124752 13270084968 13901993776 17693446624 18246366831 18669371952 20852990664 24328489108 25386249504 26540169936 27803987552 36492733662 37338743904 41705981328 48656978216 53080339872 72985467324 83411962656 97313956432 145970934648 194627912864 291941869296 583883738592 754234676653 1508469353306 2262704029959 3016938706612 4525408059918 5279642736571 6033877413224 8296581443183 9050816119836 10559285473142 12067754826448 15838928209713 16593162886366 17347397563019 18101632239672 21118570946284 24135509652896 24889744329549 31677856419426 33186325772732 34694795126038 36203264479344 42237141892568 49779488659098 52042192689057 58076070102281 63355712838852 66372651545464 69389590252076 72406528958688 84474283785136 99558977318196 104084385378114 116152140204562 121431782941133 126711425677704 132745303090928 138779180504152 168948567570272 174228210306843 190821373193209 199117954636392 208168770756228 232304280409124 242863565882266 253422851355408 265490606181856 277558361008304 348456420613686 364295348823399 381642746386418 398235909272784 416337541512456 464608560818248 485727131764532 506845702710816 555116722016608 572464119579627 696912841227372 728590697646798 763285492772836 796471818545568 832675083024912 929217121636496 971454263529064 1144928239159254 1335749612352463 1393825682454744 1457181395293596 1526570985545672 1665350166049824 1858434243272992 1942908527058128 2289856478318508 2671499224704926 2787651364909488 2914362790587192 3053141971091344 3885817054116256 4007248837057389 4579712956637016 5342998449409852 5575302729818976 5828725581174384 6106283942182688 8014497674114778 9159425913274032 10685996898819704 11657451162348768 16028995348229556 18318851826548064 21371993797639408 32057990696459112 42743987595278816 64115981392918224 128231962785836448
• Sum of all divisors σ(n): 437916808629780480
• Sum of proper divisors (its aliquot sum) s(n): 309684845843944032
• 128231962785836448 is an abundant number, because the sum of its proper divisors (309684845843944032) is greater than itself. Its abundance is 181452883058107584

Bases of 128231962785836448

• Binary: 111000111100100100100101001101110101100110110110110100000₂
• Hexadecimal: 0x1C7924A6EB36DA0
• Base-36: Z2MFQGFIS2O

Squares and roots of 128231962785836448

• 128231962785836448 squared (128231962785836448²) is 16443436279908143693840875005256704
• 128231962785836448 cubed (128231962785836448³) is 2108574109116454004756492124362340158916157599547392
• The square root of 128231962785836448 is 358094907.5117327719
• The cube root of 128231962785836448 is 504272.6683245217

Scales and comparisons

• 128,231,962,785,836,448 seconds is equal to 4,077,379,769 years, 4 weeks, 3 days, 4 hours, 20 minutes, 48 seconds.
• To count from 1 to 128,231,962,785,836,448 would take you about twelve billion, two hundred thirty-two million, one hundred thirty-nine thousand, three hundred 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 128231962785836448 cubic inches would be around 42022.7 feet tall.

Recreational maths with 128231962785836448

• 128231962785836448 backwards is 844638587269132821
• The number of decimal digits it has is: 18
• The sum of 128231962785836448's digits is 87
• More coming soon!