12621987840

Names of 12621987840

• Cardinal: 12621987840 can be written as Twelve billion, six hundred twenty-one million, nine hundred eighty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.262198784 × 10¹⁰

Factors of 12621987840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 80

Divisors of 12621987840

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 23 24 28 29 30 32 33 35 40 42 44 46 48 55 56 58 60 64 66 69 70 77 80 84 87 88 92 96 105 110 112 115 116 120 128 132 138 140 145 154 160 161 165 168 174 176 184 192 203 210 220 224 230 231 232 240 253 256 264 276 280 290 308 319 320 322 330 336 345 348 352 368 384 385 406 420 435 440 448 460 462 464 480 483 506 512 528 552 560 580 609 616 638 640 644 660 667 672 690 696 704 736 759 768 770 805 812 840 870 880 896 920 924 928 957 960 966 1012 1015 1024 1056 1104 1120 1155 1160 1218 1232 1265 1276 1280 1288 1320 1334 1344 1380 1392 1408 1472 1518 1536 1540 1595 1610 1624 1680 1740 1760 1771 1792 1840 1848 1856 1914 1920 1932 2001 2024 2030 2048 2112 2208 2233 2240 2310 2320 2415 2436 2464 2530 2552 2560 2576 2640 2668 2688 2760 2784 2816 2944 3036 3045 3072 3080 3190 3220 3248 3335 3360 3480 3520 3542 3584 3680 3696 3712 3795 3828 3840 3864 4002 4048 4060 4096 4224 4416 4466 4480 4620 4640 4669 4785 4830 4872 4928 5060 5104 5120 5152 5280 5313 5336 5376 5520 5568 5632 5888 6072 6090 6144 6160 6380 6440 6496 6670 6699 6720 6960 7040 7084 7168 7337 7360 7392 7424 7590 7656 7680 7728 8004 8096 8120 8192 8448 8832 8855 8932 8960 9240 9280 9338 9570 9660 9744 9856 10005 10120 10208 10240 10304 10560 10626 10672 10752 11040 11136 11165 11264 11776 12144 12180 12288 12320 12760 12880 12992 13340 13398 13440 13920 14007 14080 14168 14336 14674 14720 14784 14848 15180 15312 15360 15456 16008 16192 16240 16384 16896 17664 17710 17864 17920 18480 18560 18676 19140 19320 19488 19712 20010 20240 20416 20480 20608 21120 21252 21344 21504 22011 22080 22272 22330 22528 23345 23552 24288 24360 24576 24640 25520 25760 25984 26565 26680 26796 26880 27840 28014 28160 28336 28672 29348 29440 29568 29696 30360 30624 30720 30912 32016 32384 32480 33495 33792 35328 35420 35728 35840 36685 36960 37120 37352 38280 38640 38976 39424 40020 40480 40832 40960 41216 42240 42504 42688 43008 44022 44160 44544 44660 45056 46690 47104 48576 48720 49152 49280 51040 51359 51520 51968 53130 53360 53592 53760 55680 56028 56320 56672 57344 58696 58880 59136 59392 60720 61248 61440 61824 64032 64768 64960 66990 67584 70035 70656 70840 71456 71680 73370 73920 74240 74704 76560 77280 77952 78848 80040 80960 81664 81920 82432 84480 85008 85376 86016 88044 88320 89088 89320 90112 93380 94208 97152 97440 98560 102080 102718 103040 103936 106260 106720 107184 107520 110055 111360 112056 112640 113344 114688 117392 117760 118272 118784 121440 122496 122880 123648 128064 129536 129920 133980 135168 140070 141312 141680 142912 143360 146740 147840 148480 149408 153120 154077 154560 155904 157696 160080 161920 163328 164864 168960 170016 170752 172032 176088 176640 178176 178640 180224 186760 188416 194304 194880 197120 204160 205436 206080 207872 212520 213440 214368 215040 220110 222720 224112 225280 226688 234784 235520 236544 237568 242880 244992 245760 247296 256128 256795 259072 259840 267960 270336 280140 282624 283360 285824 286720 293480 295680 296960 298816 306240 308154 309120 311808 315392 320160 323840 326656 329728 337920 340032 341504 344064 352176 353280 356352 357280 373520 376832 388608 389760 394240 408320 410872 412160 415744 425040 426880 428736 430080 440220 445440 448224 450560 453376 469568 471040 473088 475136 485760 489984 494592 512256 513590 518144 519680 535920 540672 560280 565248 566720 571648 573440 586960 591360 593920 597632 612480 616308 618240 623616 630784 640320 647680 653312 659456 675840 680064 683008 704352 706560 712704 714560 747040 770385 777216 779520 788480 816640 821744 824320 831488 850080 853760 857472 860160 880440 890880 896448 901120 906752 939136 942080 946176 971520 979968 989184 1024512 1027180 1036288 1039360 1071840 1120560 1130496 1133440 1143296 1173920 1182720 1187840 1195264 1224960 1232616 1236480 1247232 1261568 1280640 1295360 1306624 1318912 1351680 1360128 1366016 1408704 1413120 1425408 1429120 1494080 1540770 1554432 1559040 1576960 1633280 1643488 1648640 1662976 1700160 1707520 1714944 1720320 1760880 1781760 1792896 1813504 1878272 1884160 1892352 1943040 1959936 1978368 2049024 2054360 2072576 2078720 2143680 2241120 2266880 2286592 2347840 2365440 2375680 2390528 2449920 2465232 2472960 2494464 2561280 2590720 2613248 2637824 2703360 2720256 2732032 2817408 2826240 2858240 2988160 3081540 3108864 3118080 3153920 3266560 3286976 3297280 3325952 3400320 3415040 3429888 3521760 3563520 3585792 3627008 3756544 3784704 3886080 3919872 3956736 4098048 4108720 4145152 4157440 4287360 4482240 4533760 4573184 4695680 4730880 4781056 4899840 4930464 4945920 4988928 5122560 5181440 5226496 5440512 5464064 5634816 5652480 5716480 5976320 6163080 6217728 6236160 6307840 6533120 6573952 6594560 6800640 6830080 6859776 7043520 7127040 7171584 7254016 7513088 7772160 7839744 7913472 8196096 8217440 8314880 8574720 8964480 9067520 9146368 9391360 9461760 9562112 9799680 9860928 9891840 9977856 10245120 10362880 10881024 10928128 11269632 11432960 11952640 12326160 12435456 12472320 13066240 13147904 13189120 13601280 13660160 13719552 14087040 14343168 14508032 15026176 15544320 15679488 16392192 16434880 16629760 17149440 17928960 18135040 18292736 18782720 18923520 19124224 19599360 19721856 19783680 20490240 20725760 21762048 22539264 22865920 23905280 24652320 24944640 26132480 26295808 27202560 27320320 27439104 28174080 28686336 29016064 30052352 31088640 32784384 32869760 34298880 35857920 36270080 36585472 37565440 38248448 39198720 39443712 39567360 40980480 43524096 45078528 45731840 47810560 49304640 49889280 52591616 54405120 54640640 54878208 56348160 57372672 60104704 62177280 65739520 68597760 71715840 72540160 75130880 76496896 78397440 78887424 81960960 87048192 90157056 91463680 95621120 98609280 105183232 108810240 109756416 112696320 114745344 120209408 131479040 137195520 143431680 145080320 150261760 157774848 163921920 180314112 182927360 191242240 197218560 210366464 217620480 225392640 229490688 262958080 274391040 286863360 300523520 315549696 360628224 382484480 394437120 420732928 435240960 450785280 525916160 548782080 573726720 601047040 631099392 788874240 841465856 901570560 1051832320 1147453440 1262198784 1577748480 1803141120 2103664640 2524397568 3155496960 4207329280 6310993920 12621987840
• Sum of all divisors σ(n): 54356520960
• Sum of proper divisors (its aliquot sum) s(n): 41734533120
• 12621987840 is an abundant number, because the sum of its proper divisors (41734533120) is greater than itself. Its abundance is 29112545280

Bases of 12621987840

• Binary: 1011110000010101000100000000000000₂
• Hexadecimal: 0x2F0544000
• Base-36: 5SQT05C

Squares and roots of 12621987840

• 12621987840 squared (12621987840²) is 159314577033107865600
• 12621987840 cubed (12621987840³) is 2010866654046630757011554304000
• The square root of 12621987840 is 112347.6205355501
• The cube root of 12621987840 is 2328.3195555717

Scales and comparisons

• 12,621,987,840 seconds is equal to 401 years, 17 weeks, 4 days, 19 hours, 44 minutes.
• To count from 1 to 12,621,987,840 would take you about eight hundred two 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 12621987840 cubic inches would be around 194 feet tall.

Recreational maths with 12621987840

• 12621987840 backwards is 04878912621
• 12621987840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12621987840's digits is 48
• More coming soon!