21215612700672

Names of 21215612700672

• Cardinal: 21215612700672 can be written as Twenty-one trillion, two hundred fifteen billion, six hundred twelve million, seven hundred thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1215612700672 × 10¹³

Factors of 21215612700672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 20411

Divisors of 21215612700672

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 37 39 48 52 64 74 78 96 104 111 128 148 156 192 208 222 256 296 312 359 384 416 444 481 512 592 624 718 768 832 888 962 1024 1077 1184 1248 1436 1443 1536 1664 1776 1924 2048 2154 2368 2496 2872 2886 3072 3328 3552 3848 4308 4667 4736 4992 5744 5772 6144 6656 7104 7696 8616 9334 9472 9984 11488 11544 13283 13312 14001 14208 15392 17232 18668 18944 19968 19997 22976 23088 26566 26624 28002 28416 30784 34464 37336 37888 39849 39936 39994 45952 46176 53132 56004 56832 59991 61568 68928 74672 75776 79698 79872 79988 91904 92352 106264 112008 113664 119982 123136 137856 149344 159396 159976 172679 183808 184704 212528 224016 227328 239964 246272 259961 275712 298688 318792 319952 345358 367616 369408 425056 448032 479928 492544 518037 519922 551424 597376 637584 639904 690716 735232 738816 739889 779883 850112 896064 959856 985088 1036074 1039844 1102848 1194752 1275168 1279808 1381432 1477632 1479778 1559766 1700224 1792128 1919712 2072148 2079688 2205696 2219667 2389504 2550336 2559616 2762864 2955264 2959556 3119532 3400448 3584256 3839424 4144296 4159376 4439334 4779008 5100672 5119232 5525728 5919112 6239064 6800896 7168512 7178923 7678848 8288592 8318752 8878668 9558016 9618557 10201344 10238464 11051456 11838224 12478128 13601792 14337024 14357846 15357696 16577184 16637504 17757336 19237114 20402688 20476928 21536769 22102912 23676448 24956256 27203584 28674048 28715692 28855671 30715392 33154368 33275008 35514672 38474228 40805376 40953856 43073538 44205824 47352896 49912512 57431384 57711342 61430784 66308736 66550016 71029344 76948456 81610752 86147076 88411648 93325999 94705792 99825024 114862768 115422684 122861568 132617472 133100032 142058688 153896912 172294152 176823296 186651998 189411584 199650048 229725536 230845368 265234944 265620151 266200064 279977997 284117376 307793824 344588304 353646592 373303996 378823168 399300096 459451072 461690736 530469888 531240302 532400128 559955994 568234752 615587648 689176608 746607992 757646336 796860453 798600192 918902144 923381472 1060939776 1062480604 1119911988 1136469504 1231175296 1378353216 1493215984 1515292672 1593720906 1597200384 1837804288 1846762944 2124961208 2239823976 2272939008 2462350592 2756706432 2986431968 3187441812 3453061963 3675608576 3693525888 4249922416 4479647952 4545878016 4924701184 5513412864 5972863936 6374883624 6906123926 7351217152 7387051776 8499844832 8959295904 9849402368 10359185889 11026825728 11945727872 12749767248 13812247852 14702434304 14774103552 16999689664 17918591808 19698804736 20718371778 22053651456 23891455744 25499534496 27624495704 29548207104 33999379328 35837183616 41436743556 44107302912 47782911488 50999068992 55248991408 59096414208 67998758656 71674367232 82873487112 95565822976 101998137984 110497982816 135997517312 143348734464 165746974224 191131645952 203996275968 220995965632 271995034624 286697468928 331493948448 407992551936 441991931264 543990069248 573394937856 662987896896 815985103872 883983862528 1325975793792 1631970207744 1767967725056 2651951587584 3535935450112 5303903175168 7071870900224 10607806350336 21215612700672
• Sum of all divisors σ(n): 62735677804800
• Sum of proper divisors (its aliquot sum) s(n): 41520065104128
• 21215612700672 is an abundant number, because the sum of its proper divisors (41520065104128) is greater than itself. Its abundance is 20304452403456

Bases of 21215612700672

• Binary: 100110100101110100101000011110000100000000000₂
• Hexadecimal: 0x134BA50F0800
• Base-36: 7IQBG14AO

Squares and roots of 21215612700672

• 21215612700672 squared (21215612700672²) is 450102222264915073469251584
• 21215612700672 cubed (21215612700672³) is 9549194423284223690477709894376853864448
• The square root of 21215612700672 is 4606040.8922057997
• The cube root of 21215612700672 is 27683.3425203863

Scales and comparisons

• 21,215,612,700,672 seconds is equal to 674,590 years, 44 weeks, 4 days, 22 hours, 11 minutes, 12 seconds.
• To count from 1 to 21,215,612,700,672 would take you about one million, six hundred eighty-six thousand, four hundred seventy-seven 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 21215612700672 cubic inches would be around 2306.9 feet tall.

Recreational maths with 21215612700672

• 21215612700672 backwards is 27600721651212
• The number of decimal digits it has is: 14
• The sum of 21215612700672's digits is 42
• More coming soon!