15998398989664

Names of 15998398989664

• Cardinal: 15998398989664 can be written as Fifteen trillion, nine hundred ninety-eight billion, three hundred ninety-eight million, nine hundred eighty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.5998398989664 × 10¹³

Factors of 15998398989664

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1059

Divisors of 15998398989664

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 23 26 28 32 38 46 52 56 76 79 91 92 104 112 133 152 158 161 182 184 208 224 233 247 266 299 304 316 322 364 368 416 437 466 494 532 553 598 608 632 644 683 728 736 874 932 988 1027 1064 1106 1196 1264 1288 1366 1456 1501 1631 1729 1748 1817 1864 1976 2054 2093 2128 2212 2392 2528 2576 2732 2912 3002 3029 3059 3262 3458 3496 3634 3728 3952 4108 4186 4256 4424 4427 4781 4784 5152 5359 5464 5681 6004 6058 6118 6524 6916 6992 7189 7268 7456 7904 8216 8372 8848 8854 8879 9562 9568 10507 10718 10928 11362 12008 12116 12236 12719 12977 13048 13832 13984 14378 14536 15709 16432 16744 17696 17708 17758 18407 19124 19513 21014 21203 21436 21856 22724 23621 24016 24232 24472 25438 25954 26096 27664 28756 29072 30989 31418 32864 33488 34523 35416 35516 36814 37513 38248 39026 39767 42028 42406 42872 45448 47242 48032 48464 48944 50876 51908 52192 53957 55328 57512 57551 58144 61978 62153 62836 66976 69046 69667 70832 71032 73628 75026 76496 78052 79534 84056 84812 85744 90839 90896 94484 96928 97888 101752 101821 103816 107914 109963 115024 115102 123956 124306 125672 128849 136591 138092 139334 141664 142064 147256 150052 152992 156104 159068 159139 165347 168112 168701 169624 171488 181678 181792 188968 203504 203642 204217 207632 215828 219926 230048 230204 239291 241661 247912 248612 251344 257698 273182 276184 278668 284128 294512 298471 300104 312208 318136 318278 330694 336224 337402 339248 349733 363356 377699 377936 402857 407008 407284 408434 415264 423361 431656 439852 448799 460408 478582 483322 487669 495824 497224 502688 515396 546364 552368 557336 589024 596942 600208 624416 636272 636556 661388 674804 678496 699466 701441 712747 726712 755398 755872 805714 814568 816868 846722 863312 879704 897598 920816 957164 966644 975338 991648 994448 1025183 1030792 1092728 1104736 1113973 1114672 1180907 1193884 1200416 1241011 1272544 1273112 1322776 1323673 1349608 1398932 1402882 1425494 1429519 1453424 1510796 1611428 1629136 1633736 1675037 1693444 1726624 1759408 1795196 1841632 1914328 1933288 1950676 1988896 2050366 2061584 2068807 2089297 2185456 2227946 2229344 2361814 2387768 2448131 2482022 2546224 2645552 2647346 2699216 2797864 2805764 2850988 2859038 2906848 2963527 3021592 3023641 3141593 3222856 3258272 3267472 3350074 3386888 3518816 3590392 3660197 3828656 3866576 3880123 3901352 4100732 4123168 4137614 4178594 4370912 4455892 4546529 4723628 4775536 4896262 4910087 4964044 5092448 5291104 5294692 5398432 5503693 5595728 5611528 5701976 5718076 5927054 6043184 6047282 6283186 6445712 6534944 6700148 6773776 7176281 7180784 7320394 7657312 7733152 7760246 7802704 8043859 8201464 8275228 8357188 8687077 8911784 9093058 9265711 9447256 9551072 9792524 9820174 9928088 10589384 11007386 11191456 11223056 11403952 11436152 11854108 12086368 12094564 12566372 12571981 12891424 13327379 13400296 13547552 14352562 14361568 14481649 14640788 15520492 15605408 16087718 16133143 16402928 16550456 16714376 17374154 17823568 18186116 18531422 18894512 19585048 19640348 19856176 21165487 21178768 22014772 22446112 22807904 22872304 23579209 23708216 24189128 25132744 25143962 25621379 26654758 26800592 27160861 28705124 28963298 29281576 31040984 31825703 32175436 32266286 32805856 33100912 33428752 34748308 35647136 36372232 37062844 37789024 38525851 39170096 39280696 39307333 39712352 42330974 42357536 44029544 45744608 47158418 47416432 47582561 48378256 50265488 50287924 51242758 53309516 53601184 54321722 56307013 57410248 57926596 58563152 62081968 63651406 64350872 64532572 66201824 66857504 69496616 69543743 72744464 74125688 77051702 78340192 78561392 78614666 84661948 88003867 88059088 93291653 94316836 94832864 95165122 96756512 100530976 100575848 102485516 104570167 106619032 108643444 112614026 112932001 114820496 115853192 117126304 124163936 127302812 128701744 129065144 138993232 139087486 145488928 148251376 154103404 157122784 157229332 163435753 165054463 169323896 176007734 176118176 186583306 188633672 190330244 201151696 204971032 209140334 213238064 217286888 225228052 225864002 229640992 231706384 238867639 254605624 257403488 258130288 275151331 277986464 278174972 289155563 296502752 306529717 308206808 314458664 326871506 330108926 333077927 338647792 352015468 373166612 377267344 380660488 402303392 409942064 418280668 426476128 434573776 450456104 451728004 463412768 477735278 486806201 509211248 516260576 550302662 556349944 578311126 613059434 616413616 628917328 653743012 660217852 666155854 677295584 704030936 731991169 746333224 754534688 761320976 819884128 836561336 869147552 900912208 903456008 904068659 955470556 973612402 1018422496 1100605324 1112699888 1144050271 1156622252 1226118868 1232827232 1257834656 1307486024 1320435704 1332311708 1408061872 1463982338 1492666448 1522641952 1672073473 1673122672 1801824416 1806912016 1808137318 1910941112 1947224804 2024088941 2145708019 2201210648 2225399776 2288100542 2313244504 2452237736 2614972048 2640871408 2664623416 2816123744 2927964676 2985332896 3105279307 3344146946 3346245344 3613824032 3616274636 3759022319 3821882224 3894449608 4048177882 4291416038 4402421296 4576201084 4626489008 4904475472 5229944096 5281742816 5329246832 5493955697 5855929352 6210558614 6328480613 6688293892 7232549272 7518044638 7643764448 7788899216 8096355764 8582832076 8804842592 9152402168 9252978016 9808950944 10658493664 10987911394 11711858704 12421117228 12656961226 13376587784 14465098544 15036089276 15577798432 16192711528 17165664152 18304804336 21736955149 21975822788 23423717408 24842234456 25313922452 26313156233 26753175568 28930197088 30072178552 32385423056 34331328304 36609608672 38457689879 43473910298 43951645576 49684468912 50627844904 52626312466 53506351136 60144357104 64770846112 68662656608 71421424061 76915379758 86947820596 87903291152 99368937824 101255689808 105252624932 120288714208 142842848122 153830759516 173895641192 175806582304 202511379616 210505249864 285685696244 307661519032 347791282384 421010499728 499949968427 571371392488 615323038064 695582564768 842020999456 999899936854 1142742784976 1230646076128 1999799873708 2285485569952 3999599747416 7999199494832 15998398989664
• Sum of all divisors σ(n): 43367237222400
• Sum of proper divisors (its aliquot sum) s(n): 27368838232736
• 15998398989664 is an abundant number, because the sum of its proper divisors (27368838232736) is greater than itself. Its abundance is 11370439243072

Bases of 15998398989664

• Binary: 11101000110011101010111000111000010101100000₂
• Hexadecimal: 0xE8CEAE38560
• Base-36: 5O5K9OWV4

Squares and roots of 15998398989664

• 15998398989664 squared (15998398989664²) is 255948770232482095978832896
• 15998398989664 cubed (15998398989664³) is 4094770547093084842702729280496287186944
• The square root of 15998398989664 is 3999799.8687014329
• The cube root of 15998398989664 is 25197.5804921025

Scales and comparisons

• 15,998,398,989,664 seconds is equal to 508,699 years, 31 weeks, 1 day, 23 hours, 21 minutes, 4 seconds.
• To count from 1 to 15,998,398,989,664 would take you about one million, two hundred seventy-one thousand, seven hundred forty-nine 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 15998398989664 cubic inches would be around 2099.8 feet tall.

Recreational maths with 15998398989664

• 15998398989664 backwards is 46698989389951
• The number of decimal digits it has is: 14
• The sum of 15998398989664's digits is 94
• More coming soon!