21123988704

Names of 21123988704

• Cardinal: 21123988704 can be written as Twenty-one billion, one hundred twenty-three million, nine hundred eighty-eight thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1123988704 × 10¹⁰

Factors of 21123988704

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 108

Divisors of 21123988704

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 52 54 56 63 72 78 81 83 84 91 96 104 108 112 117 126 144 156 162 166 168 169 182 189 208 216 224 234 249 252 273 288 312 324 332 336 338 351 364 378 416 432 468 498 504 507 546 567 581 624 648 664 672 676 702 728 747 756 819 864 936 996 1008 1014 1053 1079 1092 1134 1162 1183 1248 1296 1328 1352 1404 1456 1494 1512 1521 1638 1743 1872 1992 2016 2028 2106 2158 2184 2241 2268 2324 2366 2457 2592 2656 2704 2808 2912 2988 3024 3042 3237 3276 3486 3549 3744 3984 4056 4212 4316 4368 4482 4536 4563 4648 4732 4914 5229 5408 5616 5976 6048 6084 6474 6552 6723 6889 6972 7098 7371 7553 7968 8112 8424 8632 8736 8964 9072 9126 9296 9464 9711 9828 10458 10647 11232 11952 12168 12948 13104 13446 13689 13778 13944 14027 14196 14742 15106 15687 16224 16848 17264 17928 18144 18252 18592 18928 19422 19656 20667 20916 21294 22659 23904 24336 25896 26208 26892 27378 27556 27888 28054 28392 29133 29484 30212 31374 31941 33696 34528 35856 36504 37856 38844 39312 41334 41832 42081 42588 45318 47061 48223 48672 51792 53784 54756 55112 55776 56108 56784 58266 58968 60424 62001 62748 63882 67977 71712 73008 77688 78624 82668 83664 84162 85176 87399 89557 90636 94122 95823 96446 98189 103584 107568 109512 110224 112216 113568 116532 117936 120848 124002 125496 126243 127764 135954 144669 146016 155376 165336 167328 168324 170352 174798 179114 181272 186003 188244 191646 192892 196378 203931 215136 219024 220448 224432 233064 235872 241696 248004 250992 252486 255528 268671 271908 289338 294567 310752 330672 336648 340704 349596 358228 362544 372006 376488 378729 383292 385784 392756 407862 434007 438048 448864 466128 496008 501984 504972 511056 537342 543816 558009 578676 589134 611793 626899 661344 673296 699192 716456 725088 744012 752976 757458 766584 771568 785512 806013 815724 868014 883701 932256 992016 1009944 1022112 1074684 1087632 1116018 1136187 1157352 1164241 1178268 1223586 1253798 1302021 1346592 1398384 1432912 1488024 1505952 1514916 1533168 1543136 1571024 1612026 1631448 1736028 1767402 1880697 1984032 2019888 2149368 2175264 2232036 2272374 2314704 2328482 2356536 2418039 2447172 2507596 2604042 2651103 2796768 2865824 2976048 3029832 3066336 3142048 3224052 3262896 3472056 3492723 3534804 3761394 3906063 4039776 4298736 4464072 4544748 4629408 4656964 4713072 4836078 4894344 5015192 5208084 5302206 5642091 5952096 6059664 6448104 6525792 6944112 6985446 7069608 7254117 7522788 7812126 7953309 8149687 8597472 8928144 9089496 9313928 9426144 9672156 9788688 10030384 10416168 10478169 10604412 11284182 12119328 12896208 13888224 13970892 14139216 14508234 15045576 15624252 15906618 16299374 16926273 17856288 18178992 18627856 19344312 19577376 20060768 20832336 20956338 21208824 22568364 24449061 25792416 27941784 28278432 29016468 30091152 31248504 31434507 31813236 32598748 33852546 36357984 37255712 38688624 41664672 41912676 42417648 45136728 48898122 50778819 55883568 58032936 60182304 62497008 62869014 63626472 65197496 67705092 73347183 77377248 83825352 84835296 90273456 94303521 97796244 101557638 111767136 116065872 124994016 125738028 127252944 130394992 135410184 146694366 167650704 180546912 188607042 195592488 203115276 220041549 232131744 251476056 254505888 260789984 270820368 293388732 335301408 377214084 391184976 406230552 440083098 502952112 541640736 586777464 660124647 754428168 782369952 812461104 880166196 1005904224 1173554928 1320249294 1508856336 1624922208 1760332392 2347109856 2640498588 3017712672 3520664784 5280997176 7041329568 10561994352 21123988704
• Sum of all divisors σ(n): 77819182056
• Sum of proper divisors (its aliquot sum) s(n): 56695193352
• 21123988704 is an abundant number, because the sum of its proper divisors (56695193352) is greater than itself. Its abundance is 35571204648

Bases of 21123988704

• Binary: 10011101011000101100111110011100000₂
• Hexadecimal: 0x4EB167CE0
• Base-36: 9PCOE00

Squares and roots of 21123988704

• 21123988704 squared (21123988704²) is 446222898766719599616
• 21123988704 cubed (21123988704³) is 9426007473014320353423786737664
• The square root of 21123988704 is 145340.9395318469
• The cube root of 21123988704 is 2764.3432938841

Scales and comparisons

• 21,123,988,704 seconds is equal to 671 years, 35 weeks, 1 day, 14 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,123,988,704 would take you about one thousand, three hundred forty-three 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 21123988704 cubic inches would be around 230.4 feet tall.

Recreational maths with 21123988704

• 21123988704 backwards is 40788932112
• The number of decimal digits it has is: 11
• The sum of 21123988704's digits is 45
• More coming soon!