128497891231872

Names of 128497891231872

• Cardinal: 128497891231872 can be written as One hundred twenty-eight trillion, four hundred ninety-seven billion, eight hundred ninety-one million, two hundred thirty-one thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.28497891231872 × 10¹⁴

Factors of 128497891231872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 911

Divisors of 128497891231872

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 48 54 64 72 81 86 96 108 128 129 144 162 172 192 216 243 258 288 324 344 384 387 432 486 516 576 648 688 729 774 863 864 972 1032 1152 1161 1296 1376 1458 1548 1726 1728 1849 1944 2064 2322 2589 2592 2752 2916 3096 3452 3456 3483 3698 3888 4128 4644 5178 5184 5504 5547 5832 6192 6904 6966 7396 7767 7776 8256 9288 10356 10368 10449 11094 11664 12384 13808 13932 14792 15534 15552 16512 16641 18576 20712 20898 22188 23301 23328 24768 27616 27864 29584 31068 31104 31347 33282 37109 37152 41424 41796 44376 46602 46656 49536 49923 55232 55728 59168 62136 62694 66564 69903 74218 74304 82848 83592 88752 93204 93312 99846 110464 111327 111456 118336 124272 125388 133128 139806 148436 148608 149769 165696 167184 177504 186408 199692 209709 222654 222912 236672 248544 250776 266256 279612 296872 299538 331392 333981 334368 355008 372816 399384 419418 445308 445824 449307 497088 501552 532512 559224 593744 599076 629127 667962 668736 710016 744769 745632 798768 838836 890616 898614 994176 1001943 1003104 1065024 1118448 1187488 1198152 1258254 1335924 1337472 1347921 1489538 1491264 1595687 1597536 1677672 1781232 1797228 2003886 2006208 2130048 2234307 2236896 2374976 2396304 2516508 2671848 2695842 2979076 2982528 3005829 3191374 3195072 3355344 3562464 3594456 4007772 4012416 4468614 4473792 4749952 4787061 4792608 5033016 5343696 5391684 5958152 6011658 6382748 6390144 6702921 6710688 7124928 7188912 8015544 8937228 8947584 9017487 9574122 9585216 10066032 10687392 10783368 11916304 12023316 12765496 13405842 13421376 14249856 14361183 14377824 16031088 17874456 18034974 19148244 19170432 20108763 20132064 21374784 21566736 23832608 24046632 25530992 26811684 26842752 27052461 28722366 28755648 32025067 32062176 35748912 36069948 38296488 40217526 40264128 42749568 43083549 43133472 47665216 48093264 51061984 53623368 54104922 57444732 57511296 60326289 64050134 64124352 71497824 72139896 76592976 80435052 80528256 86167098 86266944 95330432 96075201 96186528 102123968 107246736 108209844 114889464 120652578 128100268 128248704 129250647 142995648 144279792 153185952 160870104 172334196 172533888 180978867 192150402 192373056 204247936 214493472 216419688 229778928 241305156 256200536 258501294 285991296 288225603 288559584 306371904 321740208 344668392 361957734 384300804 384746112 387751941 428986944 432839376 459557856 482610312 512401072 517002588 542936601 576451206 577119168 612743808 643480416 689336784 723915468 768601608 775503882 857973888 864676809 865678752 919115712 965220624 1024802144 1034005176 1085873202 1152902412 1154238336 1163255823 1286960832 1377077881 1378673568 1447830936 1537203216 1551007764 1729353618 1731357504 1838231424 1930441248 2049604288 2068010352 2171746404 2305804824 2326511646 2573921664 2594030427 2754155762 2757347136 2895661872 3074406432 3102015528 3458707236 3462715008 3860882496 4099208576 4131233643 4136020704 4343492808 4611609648 4653023292 5188060854 5508311524 5514694272 5791323744 6148812864 6204031056 6917414472 7721764992 7782091281 8262467286 8272041408 8686985616 9223219296 9306046584 10376121708 11016623048 11582647488 12297625728 12393700929 12408062112 13834828944 15564182562 16524934572 16544082816 17373971232 18446438592 18612093168 20752243416 22033246096 23165294976 23346273843 24787401858 24816124224 27669657888 31128365124 33049869144 34747942464 36892877184 37181102787 37224186336 41504486832 44066492192 46692547686 49574803716 49632248448 55339315776 62256730248 66099738288 69495884928 74362205574 74448372672 83008973664 88132984384 93385095372 99149607432 110678631552 111543308361 124513460496 132199476576 148724411148 148896745344 166017947328 176265968768 186770190744 198299214864 223086616722 249026920992 264398953152 297448822296 332035894656 334629925083 373540381488 396598429728 446173233444 498053841984 528797906304 594897644592 669259850166 747080762976 793196859456 892346466888 996107683968 1003889775249 1189795289184 1338519700332 1494161525952 1586393718912 1784692933776 2007779550498 2379590578368 2677039400664 2988323051904 3569385867552 4015559100996 4759181156736 5354078801328 7138771735104 8031118201992 10708157602656 14277543470208 16062236403984 21416315205312 32124472807968 42832630410624 64248945615936 128497891231872
• Sum of all divisors σ(n): 393401559319335
• Sum of proper divisors (its aliquot sum) s(n): 264903668087463
• 128497891231872 is an abundant number, because the sum of its proper divisors (264903668087463) is greater than itself. Its abundance is 136405776855591

Bases of 128497891231872

• Binary: 11101001101111000111111001010010100100010000000₂
• Hexadecimal: 0x74DE3F294880
• Base-36: 19JR46Q000

Squares and roots of 128497891231872

• 128497891231872 squared (128497891231872²) is 16511708051038007017668624384
• 128497891231872 cubed (128497891231872³) is 2121719665194707031823902733416033417166848
• The square root of 128497891231872 is 11335691.0345982877
• The cube root of 128497891231872 is 50462.1015832921

Scales and comparisons

• 128,497,891,231,872 seconds is equal to 4,085,835 years, 24 weeks, 3 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 128,497,891,231,872 would take you about ten million, two hundred fourteen thousand, five hundred eighty-eight 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 128497891231872 cubic inches would be around 4205.2 feet tall.

Recreational maths with 128497891231872

• 128497891231872 backwards is 278132198794821
• 128497891231872 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128497891231872's digits is 72
• More coming soon!