21515112004736

Names of 21515112004736

• Cardinal: 21515112004736 can be written as Twenty-one trillion, five hundred fifteen billion, one hundred twelve million, four thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1515112004736 × 10¹³

Factors of 21515112004736

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 236

Divisors of 21515112004736

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 49 56 61 64 68 98 112 119 122 128 136 149 196 224 238 244 272 298 392 427 448 476 488 544 596 784 833 854 896 952 976 1037 1043 1088 1192 1568 1666 1708 1904 1952 2074 2086 2176 2384 2533 2989 3136 3332 3416 3808 3904 4148 4172 4768 5066 5978 6272 6664 6832 7259 7301 7616 7808 8296 8344 9089 9536 10132 11956 13328 13664 14518 14602 15232 16592 16688 17731 18178 19072 20264 22201 23912 26656 27328 29036 29204 33184 33376 35462 36356 40528 44402 47824 50813 53312 54656 58072 58408 63623 66368 66752 70924 72712 81056 88804 95648 101626 106624 116144 116816 124117 127246 132736 133504 141848 145424 154513 155407 162112 177608 191296 203252 232288 233632 248234 254492 283696 290848 309026 310814 324224 355216 377417 382592 406504 445361 464576 467264 496468 508984 567392 581696 618052 621628 710432 754834 813008 890722 929152 934528 992936 1017968 1081591 1087849 1134784 1163392 1236104 1243256 1354261 1420864 1509668 1626016 1781444 1985872 2035936 2163182 2175698 2269568 2472208 2486512 2641919 2708522 2841728 3019336 3252032 3307949 3562888 3971744 4071872 4326364 4351396 4944416 4973024 5283838 5417044 6038672 6504064 6615898 7125776 7571137 7943488 8143744 8652728 8702792 9479827 9888832 9946048 10567676 10834088 12077344 13231796 14251552 15142274 15886976 17305456 17405584 18493433 18959654 19777664 19892096 21135352 21668176 23022437 23155643 24154688 26463592 28503104 30284548 34610912 34811168 36986866 37919308 42270704 43336352 46044874 46311286 48309376 52927184 56235133 57006208 60569096 66358789 69221824 69622336 73973732 75838616 84541408 86672704 92089748 92622572 105854368 112470266 121138192 132717578 138443648 139244672 147947464 151677232 161157059 162089501 169082816 173345408 184179496 185245144 201784889 211708736 224940532 242276384 265435156 295894928 303354464 322314118 324179002 338165632 368358992 370490288 393645931 403569778 423417472 449881064 484552768 530870312 591789856 606708928 644628236 648358004 736717984 740980576 787291862 807139556 899762128 969105536 1061740624 1128099413 1183579712 1213417856 1289256472 1296716008 1412494223 1473435968 1481961152 1574583724 1614279112 1799524256 2123481248 2256198826 2367159424 2578512944 2593432016 2755521517 2824988446 2946871936 2963922304 3149167448 3228558224 3430343113 3599048512 4246962496 4512397652 5157025888 5186864032 5511043034 5649976892 6298334896 6457116448 6860686226 7198097024 8493924992 9024795304 9887459561 10314051776 10373728064 11022086068 11299953784 12596669792 12914232896 13721372452 18049590608 19774919122 20628103552 20747456128 22044172136 22599907568 24012401791 25193339584 25828465792 27442744904 36099181216 39549838244 44088344272 45199815136 48024803582 50386679168 54885489808 72198362432 79099676488 88176688544 90399630272 96049607164 109770979616 144396724864 158199352976 168086812537 176353377088 180799260544 192099214328 219541959232 316398705952 336173625074 352706754176 384198428656 439083918464 632797411904 672347250148 768396857312 1265594823808 1344694500296 1536793714624 2689389000592 3073587429248 5378778001184 10757556002368 21515112004736
• Sum of all divisors σ(n): 54020996118000
• Sum of proper divisors (its aliquot sum) s(n): 32505884113264
• 21515112004736 is an abundant number, because the sum of its proper divisors (32505884113264) is greater than itself. Its abundance is 10990772108528

Bases of 21515112004736

• Binary: 100111001000101100000100110111011110010000000₂
• Hexadecimal: 0x1391609BBC80
• Base-36: 7MJWM6MBK

Squares and roots of 21515112004736

• 21515112004736 squared (21515112004736²) is 462900044576335140886429696
• 21515112004736 cubed (21515112004736³) is 9959346306057137716820837416804083040256
• The square root of 21515112004736 is 4638438.5308782523
• The cube root of 21515112004736 is 27813.0022182805

Scales and comparisons

• 21,515,112,004,736 seconds is equal to 684,114 years, 4 days, 1 hour, 18 minutes, 56 seconds.
• To count from 1 to 21,515,112,004,736 would take you about one million, seven hundred ten thousand, two hundred eighty-five 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 21515112004736 cubic inches would be around 2317.8 feet tall.

Recreational maths with 21515112004736

• 21515112004736 backwards is 63740021151512
• The number of decimal digits it has is: 14
• The sum of 21515112004736's digits is 38
• More coming soon!