21730078440
21,730,078,440 is an even composite number composed of seven prime numbers multiplied together.
21730078440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred twelve divisors.
Prime factorization of 21730078440:
23 × 33 × 5 × 7 × 53 × 193 × 281
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 53 × 193 × 281)See below for interesting mathematical facts about the number 21730078440 from the Numbermatics database.
Names of 21730078440
- Cardinal: 21730078440 can be written as Twenty-one billion, seven hundred thirty million, seventy-eight thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.173007844 × 1010
Factors of 21730078440
Divisors of 21730078440
- Number of divisors d(n): 512
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 53 54 56 60 63 70 72 84 90 105 106 108 120 126 135 140 159 168 180 189 193 210 212 216 252 265 270 280 281 315 318 360 371 378 386 420 424 477 504 530 540 562 579 630 636 742 756 772 795 840 843 945 954 965 1060 1080 1113 1124 1158 1260 1272 1351 1405 1431 1484 1512 1544 1590 1686 1737 1855 1890 1908 1930 1967 2120 2226 2248 2316 2385 2520 2529 2702 2810 2862 2895 2968 3180 3339 3372 3474 3710 3780 3816 3860 3934 4053 4215 4452 4632 4770 5058 5211 5404 5565 5620 5724 5790 5901 6360 6678 6744 6755 6948 7155 7420 7560 7587 7720 7868 8106 8430 8685 8904 9540 9835 10017 10116 10229 10422 10808 11130 11240 11448 11580 11802 12159 12645 13356 13510 13896 14310 14840 14893 15174 15736 16212 16695 16860 17370 17703 19080 19670 20034 20232 20265 20458 20844 22260 23160 23604 24318 25290 26055 26712 27020 28620 29505 29786 30348 30687 32424 33390 33720 34740 35406 36477 37935 39340 40068 40530 40916 41688 44520 44679 47208 48636 50085 50580 51145 52110 53109 54040 54233 57240 59010 59572 60696 60795 61374 66780 69480 70812 71603 72954 74465 75870 78680 80136 81060 81832 88515 89358 92061 97272 100170 101160 102290 104220 104251 106218 108466 118020 119144 121590 122748 133560 134037 141624 143206 145908 148930 151740 153435 162120 162699 177030 178716 182385 184122 200340 204580 208440 208502 212436 214809 216932 223395 236040 243180 245496 265545 268074 271165 276183 286412 291816 297860 303480 306870 312753 325398 354060 357432 358015 364770 368244 379631 400680 402111 409160 417004 424872 429618 433864 446790 460305 486360 488097 521255 531090 536148 542330 552366 572824 595720 613740 625506 644427 650796 670185 708120 716030 729540 736488 759262 804222 813495 834008 859236 893580 920610 938259 976194 1042510 1062180 1072296 1074045 1084660 1104732 1138893 1227480 1251012 1288854 1301592 1340370 1380915 1432060 1459080 1464291 1518524 1563765 1608444 1626990 1718472 1787160 1841220 1876518 1898155 1933281 1952388 2010555 2085020 2124360 2148090 2169320 2209464 2277786 2440485 2502024 2577708 2680740 2761830 2814777 2864120 2874349 2928582 3037048 3127530 3216888 3222135 3253980 3416679 3682440 3753036 3796310 3866562 3904776 4021110 4170040 4296180 4555572 4691295 4880970 5155416 5361480 5523660 5629554 5694465 5748698 5857164 6255060 6444270 6507960 6833358 7321455 7506072 7592620 7733124 8042220 8592360 8623047 9111144 9382590 9666405 9761940 10250037 11047320 11259108 11388930 11497396 11714328 12510120 12888540 13666716 14073885 14371745 14642910 15185240 15466248 16084440 17083395 17246094 18765180 19332810 19523880 20120443 20500074 22518216 22777860 22994792 25777080 25869141 27333432 28147770 28743490 29285820 34166790 34492188 37530360 38665620 40240886 41000148 43115235 45555720 51250185 51738282 56295540 57486980 58571640 60361329 68333580 68984376 77331240 77607423 80481772 82000296 86230470 100602215 102500370 103476564 112591080 114973960 120722658 129345705 136667160 155214846 160963544 172460940 181083987 201204430 205000740 206953128 241445316 258691410 301806645 310429692 344921880 362167974 388037115 402408860 410001480 482890632 517382820 543251961 603613290 620859384 724335948 776074230 804817720 905419935 1034765640 1086503922 1207226580 1448671896 1552148460 1810839870 2173007844 2414453160 2716259805 3104296920 3621679740 4346015688 5432519610 7243359480 10865039220 21730078440
- Sum of all divisors σ(n): 85081881600
- Sum of proper divisors (its aliquot sum) s(n): 63351803160
- 21730078440 is an abundant number, because the sum of its proper divisors (63351803160) is greater than itself. Its abundance is 41621724720
Bases of 21730078440
- Binary: 101000011110011011010101110111010002
- Hexadecimal: 0x50F36AEE8
- Base-36: 9ZDIZU0
Squares and roots of 21730078440
- 21730078440 squared (217300784402) is 472196309008552833600
- 21730078440 cubed (217300784403) is 10260862833834331705012267584000
-
The
square root of 21730078440 is 147411.2561509467 -
The
cube root of 21730078440 is 2790.5325841879
Scales and comparisons
How big is 21730078440?- 21,730,078,440 seconds is equal to 690 years, 49 weeks, 2 days, 12 hours, 54 minutes.
-
To count from 1 to 21,730,078,440 would take you about one thousand, three hundred eighty-one 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 21730078440 cubic inches would be around 232.5 feet tall.
Recreational maths with 21730078440
- 21730078440 backwards is 04487003712
- 21730078440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21730078440's digits is 36
- More coming soon!
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