21789543112128

Names of 21789543112128

• Cardinal: 21789543112128 can be written as Twenty-one trillion, seven hundred eighty-nine billion, five hundred forty-three million, one hundred twelve thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1789543112128 × 10¹³

Factors of 21789543112128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2074

Divisors of 21789543112128

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 32 33 36 44 48 54 62 64 66 72 81 88 93 96 99 108 124 132 144 162 176 186 192 198 216 243 248 264 279 288 297 324 341 352 372 396 432 486 496 528 558 576 594 648 682 704 744 792 837 864 891 972 992 1023 1056 1116 1188 1296 1364 1488 1584 1674 1728 1782 1944 1984 2027 2046 2112 2232 2376 2511 2592 2673 2728 2976 3069 3168 3348 3564 3888 4054 4092 4464 4752 5022 5184 5346 5456 5952 6081 6138 6336 6696 7128 7533 7776 8108 8184 8928 9207 9504 10044 10692 10912 12162 12276 13392 14256 15066 15552 16216 16368 17856 18243 18414 19008 20088 21384 21824 22297 24324 24552 26784 27621 28512 30132 32432 32736 36486 36828 40176 42768 44594 48648 49104 53568 54729 55242 57024 60264 62837 64864 65472 66891 72972 73656 80352 82863 85536 89188 97296 98208 109458 110484 120528 125674 129728 133782 145944 147312 160704 164187 165726 171072 178376 188511 194592 196416 200673 218916 220968 241056 251348 267564 291888 294624 328374 331452 356752 377022 389184 401346 437832 441936 482112 492561 502696 535128 565533 583776 589248 602019 656748 662904 691207 713504 754044 802692 875664 883872 985122 1005392 1070256 1131066 1167552 1204038 1313496 1325808 1382414 1427008 1508088 1605384 1696599 1751328 1767744 1806057 1970244 2010784 2073621 2140512 2262132 2408076 2626992 2651616 2764828 3016176 3210768 3393198 3502656 3612114 3940488 4021568 4108729 4147242 4281024 4524264 4816152 5089797 5253984 5303232 5418171 5529656 6032352 6220863 6421536 6786396 7224228 7880976 8217458 8294484 9048528 9632304 10179594 10507968 10836342 11059312 12064704 12326187 12441726 12843072 13572792 14448456 15269391 15761952 16434916 16588968 18097056 18662589 19264608 20359188 21672684 22118624 24652374 24883452 27145584 28896912 30538782 31523904 32869832 33177936 36194112 36978561 37325178 38529216 40718376 43345368 44237248 45196019 49304748 49766904 54291168 55987767 57793824 61077564 65739664 66355872 73957122 74650356 81436752 86690736 90392038 98609496 99533808 108582336 110935683 111975534 115587648 122155128 127370599 131479328 132711744 135588057 147914244 149300712 162873504 167963301 173381472 180784076 197218992 199067616 221871366 223951068 244310256 254741198 262958656 271176114 295828488 298601424 325747008 332807049 335926602 346762944 361568152 382111797 394437984 398135232 406764171 443742732 447902136 488620512 509482396 542352228 591656976 597202848 665614098 671853204 723136304 764223594 788875968 813528342 887485464 895804272 977241024 998421147 1018964792 1084704456 1146335391 1183313952 1194405696 1220292513 1331228196 1343706408 1401076589 1446272608 1528447188 1627056684 1774970928 1791608544 1996842294 2037929584 2169408912 2292670782 2366627904 2440585026 2662456392 2687412816 2802153178 2892545216 3056894376 3254113368 3439006173 3549941856 3583217088 3660877539 3993684588 4075859168 4203229767 4338817824 4585341564 4881170052 5324912784 5374825632 5604306356 6113788752 6508226736 6878012346 7099883712 7321755078 7987369176 8151718336 8406459534 8677635648 9170683128 9762340104 10317018519 10649825568 10749651264 10982632617 11208612712 12227577504 12609689301 13016453472 13756024692 14643510156 15974738352 16812919068 18341366256 19524680208 20634037038 21299651136 21965265234 22417225424 24455155008 25219378602 26032906944 27512049384 29287020312 30951055557 31949476704 33625838136 36682732512 37829067903 39049360416 41268074076 43930530468 44834450848 50438757204 55024098768 58574040624 61902111114 63898953408 67251676272 73365465024 75658135806 78098720832 82536148152 87861060936 89668901696 100877514408 110048197536 113487203709 117148081248 123804222228 134503352544 151316271612 165072296304 175722121872 201755028816 220096395072 226974407418 234296162496 247608444456 269006705088 302632543224 330144592608 340461611127 351444243744 403510057632 453948814836 495216888912 605265086448 660289185216 680923222254 702888487488 807020115264 907897629672 990433777824 1210530172896 1361846444508 1815795259344 1980867555648 2421060345792 2723692889016 3631590518688 5447385778032 7263181037376 10894771556064 21789543112128
• Sum of all divisors σ(n): 72972316644864
• Sum of proper divisors (its aliquot sum) s(n): 51182773532736
• 21789543112128 is an abundant number, because the sum of its proper divisors (51182773532736) is greater than itself. Its abundance is 29393230420608

Bases of 21789543112128

• Binary: 100111101000101000101111110100001110111000000₂
• Hexadecimal: 0x13D145FA1DC0
• Base-36: 7Q1Z7DO00

Squares and roots of 21789543112128

• 21789543112128 squared (21789543112128²) is 474784189035284767580688384
• 21789543112128 cubed (21789543112128³) is 10345330555941067508592825932055939121152
• The square root of 21789543112128 is 4667927.0679958143
• The cube root of 21789543112128 is 27930.7571001135

Scales and comparisons

• 21,789,543,112,128 seconds is equal to 692,840 years, 3 weeks, 5 days, 28 minutes, 48 seconds.
• To count from 1 to 21,789,543,112,128 would take you about one million, seven hundred thirty-two thousand, one hundred 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 21789543112128 cubic inches would be around 2327.6 feet tall.

Recreational maths with 21789543112128

• 21789543112128 backwards is 82121134598712
• 21789543112128 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21789543112128's digits is 54
• More coming soon!