121628643840

Names of 121628643840

• Cardinal: 121628643840 can be written as One hundred twenty-one billion, six hundred twenty-eight million, six hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2162864384 × 10¹¹

Factors of 121628643840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 302

Divisors of 121628643840

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 31 32 33 36 40 44 45 48 55 60 62 64 66 72 80 88 90 93 96 99 110 113 120 124 128 132 137 144 155 160 165 176 180 186 192 198 220 226 240 248 256 264 274 279 288 310 320 330 339 341 352 360 372 384 396 411 440 452 465 480 495 496 512 528 548 558 565 576 620 640 660 678 682 685 704 720 744 768 792 822 880 904 930 960 990 992 1017 1023 1056 1096 1116 1130 1152 1233 1240 1243 1280 1320 1356 1364 1370 1395 1408 1440 1488 1507 1536 1584 1644 1695 1705 1760 1808 1860 1920 1980 1984 2034 2046 2055 2112 2192 2232 2260 2304 2466 2480 2486 2560 2640 2712 2728 2740 2790 2816 2880 2976 3014 3069 3168 3288 3390 3410 3503 3520 3616 3720 3729 3840 3960 3968 4068 4092 4110 4224 4247 4384 4464 4520 4521 4608 4932 4960 4972 5085 5115 5280 5424 5456 5480 5580 5632 5760 5952 6028 6138 6165 6215 6336 6576 6780 6820 7006 7040 7232 7440 7458 7535 7680 7920 7936 8136 8184 8220 8448 8494 8768 8928 9040 9042 9864 9920 9944 10170 10230 10509 10560 10848 10912 10960 11160 11187 11520 11904 12056 12276 12330 12430 12672 12741 13152 13560 13563 13640 14012 14080 14464 14880 14916 15070 15345 15481 15840 15872 16272 16368 16440 16896 16988 17515 17536 17856 18080 18084 18645 19728 19840 19888 20340 20460 21018 21120 21235 21696 21824 21920 22320 22374 22605 23040 23808 24112 24552 24660 24860 25344 25482 26304 27120 27126 27280 28024 28160 28928 29760 29832 30140 30690 30962 31527 31680 32544 32736 32880 33976 35030 35072 35712 36160 36168 37290 38223 38533 39456 39680 39776 40680 40920 42036 42240 42470 43392 43648 43840 44640 44748 45210 46443 46717 47616 48224 49104 49320 49720 50688 50964 52545 52608 54240 54252 54560 55935 56048 57856 59520 59664 60280 61380 61924 63054 63360 63705 65088 65472 65760 67815 67952 70060 70144 71424 72320 72336 74580 76446 77066 77405 78912 79360 79552 81360 81840 84072 84480 84940 86784 87296 87680 89280 89496 90420 92886 93434 96448 98208 98640 99440 101928 105090 105216 108480 108504 109120 111870 112096 115599 119040 119328 120560 122760 123848 126108 126720 127410 130176 130944 131520 135630 135904 139329 140120 140151 142848 144640 144672 149160 152892 154132 154810 157635 157824 159104 162720 163680 168144 169880 170291 173568 174592 175360 178560 178992 180840 185772 186868 191115 192665 192896 196416 197280 198880 203856 210180 210432 216960 217008 218240 223740 224192 231198 232215 233585 238080 238656 241120 245520 247696 252216 253440 254820 260352 261888 263040 271260 271808 278658 280240 280302 289280 289344 298320 305784 308264 309620 315270 315648 318208 325440 327360 336288 339760 340582 346797 350720 357120 357984 361680 371544 373736 382230 385330 385792 392832 394560 397760 407712 420360 420453 433920 434016 436480 447480 448384 462396 464430 467170 477312 479911 482240 491040 495392 504432 509640 510873 520704 523776 526080 542520 543616 557316 560480 560604 577995 578688 596640 611568 616528 619240 630540 631296 636416 650880 654720 672576 679520 681164 693594 696645 700755 714240 715968 723360 743088 747472 764460 770660 771584 785664 789120 795520 815424 840720 840906 851455 867840 868032 872960 894960 896768 924792 928860 934340 954624 959822 964480 982080 990784 1008864 1019280 1021746 1052160 1085040 1087232 1114632 1120960 1121208 1155990 1157376 1193280 1223136 1233056 1238480 1261080 1301760 1309440 1345152 1359040 1362328 1387188 1393290 1401510 1431936 1439733 1446720 1486176 1494944 1528920 1532619 1541320 1571328 1578240 1591040 1630848 1681440 1681812 1702910 1733985 1736064 1789920 1793536 1849584 1857720 1868680 1909248 1919644 1928960 1964160 1981568 2017728 2038560 2043492 2102265 2170080 2174464 2229264 2241920 2242416 2311980 2314752 2386560 2399555 2446272 2466112 2476960 2522160 2554365 2603520 2618880 2690304 2718080 2724656 2774376 2786580 2803020 2863872 2879466 2893440 2972352 2989888 3057840 3065238 3082640 3156480 3182080 3261696 3362880 3363624 3405820 3467970 3472128 3579840 3699168 3715440 3737360 3839288 3857920 3928320 3963136 4035456 4077120 4086984 4204530 4319199 4340160 4458528 4483840 4484832 4623960 4773120 4799110 4892544 4932224 4953920 5044320 5108730 5279021 5380608 5436160 5449312 5548752 5573160 5606040 5727744 5758932 5786880 5944704 5979776 6115680 6130476 6165280 6523392 6725760 6727248 6811640 6935940 6944256 7159680 7198665 7398336 7430880 7474720 7663095 7678576 7856640 7926272 8070912 8154240 8173968 8409060 8638398 8680320 8917056 8967680 8969664 9247920 9546240 9598220 9785088 9864448 9907840 10088640 10217460 10558042 10872320 10898624 11097504 11146320 11212080 11517864 11573760 11889408 11959552 12231360 12260952 12330560 13451520 13454496 13623280 13871880 14319360 14397330 14796672 14861760 14949440 15326190 15357152 15837063 16141824 16308480 16347936 16818120 17276796 17360640 17834112 17939328 18495840 19196440 19570176 19728896 19815680 20177280 20434920 21116084 21595995 21797248 22195008 22292640 22424160 23035728 23778816 23919104 24462720 24521904 24661120 26395105 26903040 26908992 27246560 27743760 28638720 28794660 29593344 29723520 29898880 30652380 30714304 31674126 32616960 32695872 33636240 34553592 34721280 35668224 35878656 36991680 38392880 39631360 40354560 40869840 42232168 43191990 43594496 44390016 44585280 44848320 46071456 47511189 48925440 49043808 49322240 52790210 53817984 54493120 55487520 57589320 59186688 59447040 59797760 61304760 61428608 63348252 65391744 67272480 69107184 71336448 71757312 73983360 76785760 79185315 80709120 81739680 84464336 86383980 87188992 88780032 89170560 89696640 92142912 95022378 97850880 98087616 98644480 105580420 107635968 108986240 110975040 115178640 118894080 119595520 122609520 122857216 126696504 130783488 134544960 138214368 147966720 153571520 158370630 163479360 168928672 172767960 177560064 178341120 179393280 184285824 190044756 196175232 211160840 215271936 217972480 221950080 230357280 237555945 245219040 245714432 253393008 261566976 269089920 276428736 295933440 307143040 316741260 326958720 337857344 345535920 356682240 358786560 368571648 380089512 392350464 422321680 435944960 443900160 460714560 475111890 490438080 506786016 538179840 552857472 614286080 633482520 653917440 675714688 691071840 737143296 760179024 784700928 844643360 887800320 921429120 950223780 980876160 1013572032 1076359680 1105714944 1228572160 1266965040 1307834880 1351429376 1382143680 1520358048 1689286720 1842858240 1900447560 1961752320 2027144064 2211429888 2533930080 2702858752 2764287360 3040716096 3378573440 3685716480 3800895120 3923504640 4054288128 5067860160 5528574720 6081432192 6757146880 7601790240 8108576256 10135720320 11057149440 12162864384 13514293760 15203580480 20271440640 24325728768 30407160960 40542881280 60814321920 121628643840
• Sum of all divisors σ(n): 482042575872
• Sum of proper divisors (its aliquot sum) s(n): 360413932032
• 121628643840 is an abundant number, because the sum of its proper divisors (360413932032) is greater than itself. Its abundance is 238785288192

Bases of 121628643840

• Binary: 1110001010001101000011101001000000000₂
• Hexadecimal: 0x1C51A1D200
• Base-36: 1JVIJY80

Squares and roots of 121628643840

• 121628643840 squared (121628643840²) is 14793527002357569945600
• 121628643840 cubed (121628643840³) is 1799316626907171715241270575104000
• The square root of 121628643840 is 348752.9839872341
• The cube root of 121628643840 is 4954.6382921601

Scales and comparisons

• 121,628,643,840 seconds is equal to 3,867 years, 21 weeks, 3 days, 22 hours, 24 minutes.
• To count from 1 to 121,628,643,840 would take you about seven thousand, seven hundred thirty-four 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 121628643840 cubic inches would be around 412.9 feet tall.

Recreational maths with 121628643840

• 121628643840 backwards is 048346826121
• 121628643840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121628643840's digits is 45
• More coming soon!