21358735272
21,358,735,272 is an even composite number composed of seven prime numbers multiplied together.
21358735272 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21358735272:
23 × 32 × 7 × 23 × 47 × 197 × 199
(2 × 2 × 2 × 3 × 3 × 7 × 23 × 47 × 197 × 199)See below for interesting mathematical facts about the number 21358735272 from the Numbermatics database.
Names of 21358735272
- Cardinal: 21358735272 can be written as Twenty-one billion, three hundred fifty-eight million, seven hundred thirty-five thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 2.1358735272 × 1010
Factors of 21358735272
Divisors of 21358735272
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 23 24 28 36 42 46 47 56 63 69 72 84 92 94 126 138 141 161 168 184 188 197 199 207 252 276 282 322 329 376 394 398 414 423 483 504 552 564 591 597 644 658 788 796 828 846 966 987 1081 1128 1182 1194 1288 1316 1379 1393 1449 1576 1592 1656 1692 1773 1791 1932 1974 2162 2364 2388 2632 2758 2786 2898 2961 3243 3384 3546 3582 3864 3948 4137 4179 4324 4531 4577 4728 4776 5516 5572 5796 5922 6486 7092 7164 7567 7896 8274 8358 8648 9062 9154 9259 9353 9729 11032 11144 11592 11844 12411 12537 12972 13593 13731 14184 14328 15134 16548 16716 18124 18308 18518 18706 19458 22701 23688 24822 25074 25944 27186 27462 27777 28059 30268 31717 32039 33096 33432 36248 36616 37036 37412 38916 39203 40779 41193 45402 49644 50148 54372 54924 55554 56118 60536 63434 64078 64813 65471 68103 74072 74824 77832 78406 81558 82386 83331 84177 90804 95151 96117 99288 100296 108744 109848 111108 112236 117609 126868 128156 129626 130942 136206 156812 163116 164772 166662 168354 181608 190302 192234 194439 196413 212957 215119 222216 224472 235218 253736 256312 259252 261884 272412 274421 285453 288351 313624 326232 329544 333324 336708 352827 380604 384468 388878 392826 425914 430238 470436 518504 523768 544824 548842 570906 576702 583317 589239 638871 645357 666648 673416 705654 761208 768936 777756 785652 823263 851828 860476 901669 940872 1097684 1141812 1153404 1166634 1178478 1277742 1290714 1411308 1490699 1505833 1555512 1571304 1646526 1703656 1720952 1803338 1842541 1916613 1936071 2195368 2283624 2306808 2333268 2356956 2469789 2555484 2581428 2705007 2822616 2981398 3011666 3293052 3606676 3685082 3833226 3872142 4472097 4517499 4666536 4713912 4939578 5110968 5162856 5410014 5527623 5962796 6023332 6311683 6586104 7213352 7370164 7666452 7744284 8115021 8944194 9034998 9879156 10820028 11055246 11925592 12046664 12623366 12897787 13416291 13552497 14740328 15332904 15488568 16230042 16582869 17888388 18069996 18935049 19758312 21640056 22110492 25246732 25795574 26832582 27104994 32460084 33165738 35776776 36139992 37870098 38693361 42378443 44220984 50493464 51591148 53665164 54209988 56805147 64920168 66331476 75740196 77386722 84756886 103182296 107330328 108419976 113610294 116080083 127135329 132662952 151480392 154773444 169513772 227220588 232160166 254270658 296649101 309546888 339027544 381405987 454441176 464320332 508541316 593298202 762811974 889947303 928640664 1017082632 1186596404 1525623948 1779894606 2373192808 2669841909 3051247896 3559789212 5339683818 7119578424 10679367636 21358735272
- Sum of all divisors σ(n): 71165952000
- Sum of proper divisors (its aliquot sum) s(n): 49807216728
- 21358735272 is an abundant number, because the sum of its proper divisors (49807216728) is greater than itself. Its abundance is 28448481456
Bases of 21358735272
- Binary: 100111110010001010001101111101010002
- Hexadecimal: 0x4F9146FA8
- Base-36: 9T8FTM0
Squares and roots of 21358735272
- 21358735272 squared (213587352722) is 456195572419376913984
- 21358735272 cubed (213587352723) is 9743760463563976068972570843648
-
The
square root of 21358735272 is 146146.2803905731 -
The
cube root of 21358735272 is 2774.5454558151
Scales and comparisons
How big is 21358735272?- 21,358,735,272 seconds is equal to 679 years, 7 weeks, 2 days, 14 hours, 1 minute, 12 seconds.
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To count from 1 to 21,358,735,272 would take you about one thousand, three hundred fifty-eight 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 21358735272 cubic inches would be around 231.2 feet tall.
Recreational maths with 21358735272
- 21358735272 backwards is 27253785312
- The number of decimal digits it has is: 11
- The sum of 21358735272's digits is 45
- More coming soon!
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