21349047720
21,349,047,720 is an even composite number composed of eight prime numbers multiplied together.
21349047720 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21349047720:
23 × 3 × 5 × 7 × 11 × 13 × 223 × 797
(2 × 2 × 2 × 3 × 5 × 7 × 11 × 13 × 223 × 797)See below for interesting mathematical facts about the number 21349047720 from the Numbermatics database.
Names of 21349047720
- Cardinal: 21349047720 can be written as Twenty-one billion, three hundred forty-nine million, forty-seven thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.134904772 × 1010
Factors of 21349047720
Divisors of 21349047720
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 13 14 15 20 21 22 24 26 28 30 33 35 39 40 42 44 52 55 56 60 65 66 70 77 78 84 88 91 104 105 110 120 130 132 140 143 154 156 165 168 182 195 210 220 223 231 260 264 273 280 286 308 312 330 364 385 390 420 429 440 446 455 462 520 546 572 616 660 669 715 728 770 780 797 840 858 892 910 924 1001 1092 1115 1144 1155 1320 1338 1365 1430 1540 1560 1561 1594 1716 1784 1820 1848 2002 2145 2184 2230 2310 2391 2453 2676 2730 2860 2899 3003 3080 3122 3188 3345 3432 3640 3985 4004 4290 4460 4620 4683 4782 4906 5005 5352 5460 5579 5720 5798 6006 6244 6376 6690 7359 7805 7970 8008 8580 8697 8767 8920 9240 9366 9564 9812 10010 10361 10920 11158 11596 11955 12012 12265 12488 13380 14495 14718 15015 15610 15940 16737 17160 17171 17394 17534 18732 19128 19624 20020 20293 20722 22316 23192 23415 23910 24024 24530 26301 26760 27895 28990 29436 30030 31083 31220 31880 31889 33474 34342 34788 35068 36795 37464 40040 40586 41444 43485 43835 44632 46830 47820 49060 51513 51805 52602 55790 57980 58872 60060 60879 61369 62166 62440 63778 66948 68684 69576 70136 72527 73590 81172 82888 83685 85855 86970 87670 93660 95640 95667 98120 101465 103026 103610 105204 111580 113971 115960 120120 121758 122738 124332 127556 131505 133896 137368 145054 147180 155415 159445 162344 167370 171710 173940 175340 177731 184107 187320 191334 202930 206052 207220 210408 217581 223160 223223 227942 243516 245476 248664 255112 257565 263010 290108 294360 304395 306845 310830 318890 334740 341913 343420 347880 350680 355462 362635 368214 382668 405860 412104 414440 435162 446446 455884 478335 487032 490952 515130 526020 533193 569855 580216 608790 613690 621660 637780 669480 669669 683826 686840 710924 725270 736428 765336 797797 811720 870324 888655 892892 911768 920535 956670 1030260 1052040 1066386 1087905 1116115 1139710 1217580 1227380 1243320 1244117 1275560 1339338 1367652 1421848 1450540 1472856 1595594 1709565 1740648 1777310 1785784 1841070 1913340 1955041 2060520 2132772 2175810 2232230 2279420 2310503 2393391 2435160 2454760 2488234 2665965 2678676 2735304 2901080 3191188 3348345 3419130 3554620 3682140 3732351 3826680 3910082 3988985 4265544 4351620 4464460 4558840 4621006 4786782 4976468 5331930 5357352 5865123 6220585 6382376 6696690 6838260 6931509 7109240 7364280 7464702 7820164 7977970 8703240 8928920 9242012 9573564 9775205 9952936 10663860 11552515 11730246 11966955 12441170 13393380 13676520 13685287 13863018 14929404 15640328 15955940 16173521 18484024 18661755 19147128 19550410 21327720 23105030 23460492 23933910 24882340 25415533 26786760 27370574 27726036 29325615 29858808 31911880 32347042 34657545 37323510 39100820 41055861 46210060 46920984 47867820 48520563 49764680 50831066 54741148 55452072 58651230 64694084 68426435 69315090 74647020 76246599 78201640 80867605 82111722 92420120 95735640 97041126 101662132 109482296 117302460 127077665 129388168 136852870 138630180 149294040 152493198 161735210 164223444 177908731 194082252 203324264 205279305 234604920 242602815 254155330 273705740 277260360 304986396 323470420 328446888 355817462 381232995 388164504 410558610 485205630 508310660 533726193 547411480 609972792 646940840 711634924 762465990 821117220 889543655 970411260 1016621320 1067452386 1423269848 1524931980 1642234440 1779087310 1940822520 2134904772 2668630965 3049863960 3558174620 4269809544 5337261930 7116349240 10674523860 21349047720
- Sum of all divisors σ(n): 86487367680
- Sum of proper divisors (its aliquot sum) s(n): 65138319960
- 21349047720 is an abundant number, because the sum of its proper divisors (65138319960) is greater than itself. Its abundance is 43789272240
Bases of 21349047720
- Binary: 100111110001000000010011101101010002
- Hexadecimal: 0x4F8809DA8
- Base-36: 9T2O6NC
Squares and roots of 21349047720
- 21349047720 squared (213490477202) is 455781838550837198400
- 21349047720 cubed (213490477203) is 9730508221131158994592707648000
-
The
square root of 21349047720 is 146113.1332906115 -
The
cube root of 21349047720 is 2774.1259144619
Scales and comparisons
How big is 21349047720?- 21,349,047,720 seconds is equal to 678 years, 43 weeks, 2 days, 11 hours, 2 minutes.
-
To count from 1 to 21,349,047,720 would take you about one thousand, three hundred fifty-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 21349047720 cubic inches would be around 231.2 feet tall.
Recreational maths with 21349047720
- 21349047720 backwards is 02774094312
- 21349047720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21349047720's digits is 39
- More coming soon!
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