21536614973440

Names of 21536614973440

• Cardinal: 21536614973440 can be written as Twenty-one trillion, five hundred thirty-six billion, six hundred fourteen million, nine hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.153661497344 × 10¹³

Factors of 21536614973440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 78932

Divisors of 21536614973440

• Number of divisors d(n): 408
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 80 85 98 112 119 128 136 140 160 170 196 224 238 245 256 272 280 320 340 392 448 476 490 512 544 560 595 640 680 784 833 896 952 980 1024 1088 1120 1190 1280 1360 1568 1666 1792 1904 1960 2048 2176 2240 2380 2560 2720 3136 3332 3584 3808 3920 4096 4165 4352 4480 4760 5120 5440 6272 6664 7168 7616 7840 8192 8330 8704 8960 9520 10240 10880 12544 13328 14336 15232 15680 16384 16660 17408 17920 19040 20480 21760 25088 26656 28672 30464 31360 32768 33320 34816 35840 38080 40960 43520 50176 53312 57344 60928 62720 65536 66640 69632 71680 76160 78901 81920 87040 100352 106624 114688 121856 125440 133280 139264 143360 152320 157802 163840 174080 200704 213248 229376 243712 250880 266560 278528 286720 304640 315604 327680 348160 394505 401408 426496 458752 487424 501760 533120 552307 557056 573440 609280 631208 696320 789010 802816 852992 974848 1003520 1066240 1104614 1114112 1146880 1218560 1262416 1341317 1392640 1578020 1605632 1705984 1949696 2007040 2132480 2209228 2293760 2437120 2524832 2682634 2761535 2785280 3156040 3211264 3411968 3866149 3899392 4014080 4264960 4418456 4874240 5049664 5365268 5523070 5570560 6312080 6706585 6823936 7732298 7798784 8028160 8529920 8836912 9389219 9748480 10099328 10730536 11046140 12624160 13413170 13647872 15464596 16056320 17059840 17673824 18778438 19330745 19496960 20198656 21461072 22092280 25248320 26826340 27295744 30929192 34119680 35347648 37556876 38661490 38993920 40397312 42922144 44184560 46946095 50496640 53652680 54591488 61858384 65724533 68239360 70695296 75113752 77322980 80794624 85844288 88369120 93892190 100993280 107305360 123716768 131449066 136478720 141390592 150227504 154645960 161589248 171688576 176738240 187784380 201986560 214610720 247433536 262898132 272957440 282781184 300455008 309291920 323178496 328622665 343377152 353476480 375568760 403973120 429221440 494867072 525796264 565562368 600910016 618583840 646356992 657245330 686754304 706952960 751137520 807946240 858442880 989734144 1051592528 1131124736 1201820032 1237167680 1292713984 1314490660 1373508608 1413905920 1502275040 1615892480 1716885760 1979468288 2103185056 2262249472 2403640064 2474335360 2585427968 2628981320 2747017216 2827811840 3004550080 3231784960 3433771520 3958936576 4206370112 4524498944 4807280128 4948670720 5170855936 5257962640 5494034432 5655623680 6009100160 6463569920 6867543040 7917873152 8412740224 9048997888 9614560256 9897341440 10515925280 10988068864 11311247360 12018200320 12927139840 13735086080 15835746304 16825480448 18097995776 19229120512 19794682880 21031850560 21976137728 22622494720 24036400640 25854279680 27470172160 31671492608 33650960896 36195991552 38458241024 39589365760 42063701120 43952275456 45244989440 48072801280 54940344320 63342985216 67301921792 76916482048 79178731520 84127402240 87904550912 90489978880 96145602560 109880688640 126685970432 134603843584 153832964096 158357463040 168254804480 180979957760 192291205120 219761377280 253371940864 269207687168 307665928192 316714926080 336509608960 384582410240 439522754560 538415374336 615331856384 633429852160 673019217920 769164820480 1076830748672 1266859704320 1346038435840 1538329640960 2153661497344 2692076871680 3076659281920 4307322994688 5384153743360 10768307486720 21536614973440
• Sum of all divisors σ(n): 63663899442552
• Sum of proper divisors (its aliquot sum) s(n): 42127284469112
• 21536614973440 is an abundant number, because the sum of its proper divisors (42127284469112) is greater than itself. Its abundance is 20590669495672

Bases of 21536614973440

• Binary: 100111001011001100010010010010000000000000000₂
• Hexadecimal: 0x139662490000
• Base-36: 7MTS8HV5S

Squares and roots of 21536614973440

• 21536614973440 squared (21536614973440²) is 463825784514200011905433600
• 21536614973440 cubed (21536614973440³) is 9989237335836074852705587535055683584000
• The square root of 21536614973440 is 4640755.8622965721
• The cube root of 21536614973440 is 27822.2649012597

Scales and comparisons

• 21,536,614,973,440 seconds is equal to 684,797 years, 38 weeks, 3 days, 10 minutes, 40 seconds.
• To count from 1 to 21,536,614,973,440 would take you about one million, seven hundred eleven thousand, nine hundred ninety-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 21536614973440 cubic inches would be around 2318.5 feet tall.

Recreational maths with 21536614973440

• 21536614973440 backwards is 04437941663512
• The number of decimal digits it has is: 14
• The sum of 21536614973440's digits is 55
• More coming soon!