21121474140
21,121,474,140 is an even composite number composed of seven prime numbers multiplied together.
21121474140 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21121474140:
22 × 34 × 5 × 13 × 53 × 127 × 149
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 53 × 127 × 149)See below for interesting mathematical facts about the number 21121474140 from the Numbermatics database.
Names of 21121474140
- Cardinal: 21121474140 can be written as Twenty-one billion, one hundred twenty-one million, four hundred seventy-four thousand, one hundred forty.
Scientific notation
- Scientific notation: 2.112147414 × 1010
Factors of 21121474140
Divisors of 21121474140
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 53 54 60 65 78 81 90 106 108 117 127 130 135 149 156 159 162 180 195 212 234 254 260 265 270 298 318 324 351 381 390 405 447 468 477 508 530 540 585 596 635 636 689 702 745 762 780 795 810 894 954 1053 1060 1143 1170 1270 1341 1378 1404 1431 1490 1524 1590 1620 1651 1755 1788 1905 1908 1937 2067 2106 2235 2286 2340 2385 2540 2682 2756 2862 2980 3180 3302 3429 3445 3510 3810 3874 4023 4134 4212 4293 4470 4572 4770 4953 5265 5364 5715 5724 5811 6201 6604 6705 6731 6858 6890 7020 7155 7620 7748 7897 8046 8255 8268 8586 8940 9540 9685 9906 10287 10335 10530 11430 11622 12069 12402 13410 13462 13716 13780 14310 14859 15794 16092 16510 17145 17172 17433 18603 18923 19370 19812 20115 20193 20574 20670 21060 21465 22860 23244 23691 24138 24765 24804 26820 26924 28620 29055 29718 31005 31588 33020 33655 34290 34866 37206 37846 38740 39485 40230 40386 41148 41340 42930 44577 47382 48276 49530 51435 52299 55809 56769 58110 59436 60345 60579 62010 67310 68580 69732 71073 74295 74412 75692 78970 80460 80772 85860 87165 87503 89154 93015 94615 94764 99060 100965 102661 102870 104598 111618 113538 116220 118455 120690 121158 124020 133731 134620 142146 148590 156897 157940 170307 174330 175006 178308 181737 186030 189230 201930 205322 205740 209196 213219 222885 223236 227076 236910 241380 242316 245999 261495 262509 267462 279045 283845 284292 297180 302895 307983 313794 340614 348660 350012 355365 363474 372060 378460 403860 410644 426438 437515 445770 473820 491998 510921 513305 522990 525018 534924 545211 558090 567690 605790 615966 627588 639657 668655 681228 710730 726948 737997 784485 787527 851535 852876 875030 891540 908685 923949 983996 1002919 1021842 1026610 1045980 1050036 1066095 1090422 1116180 1135380 1211580 1229995 1231932 1279314 1312545 1337310 1421460 1475994 1532763 1539915 1568970 1575054 1703070 1750060 1817370 1847898 2005838 2043684 2053220 2132190 2180844 2213991 2362581 2459990 2554605 2558628 2625090 2674620 2726055 2771847 2951988 3008757 3065526 3079830 3137940 3150108 3198285 3406140 3634740 3689985 3695796 3937635 4011676 4264380 4427982 4619745 4725162 4919980 5014595 5109210 5250180 5452110 5543694 6017514 6131052 6159660 6396570 6641973 7087743 7379970 7663815 7875270 8315541 8855964 9026271 9239490 9450324 10029190 10218420 10904220 11069955 11087388 11812905 12035028 12793140 13037947 13283946 13859235 14175486 14759940 15043785 15327630 15750540 16631082 18052542 18478980 19925919 20058380 22139910 23625810 26075894 26567892 27078813 27718470 28350972 30087570 30655260 33209865 33262164 35438715 36105084 39113841 39851838 41577705 44279820 45131355 47251620 52151788 54157626 55436940 60175140 65189735 66419730 70877430 78227682 79703676 81236439 83155410 90262710 99629595 108315252 117341523 130379470 132839460 135394065 141754860 156455364 162472878 166310820 180525420 195569205 199259190 234683046 260758940 270788130 324945756 352024569 391138410 398518380 406182195 469366092 541576260 586707615 704049138 782276820 812364390 1056073707 1173415230 1408098276 1624728780 1760122845 2112147414 2346830460 3520245690 4224294828 5280368535 7040491380 10560737070 21121474140
- Sum of all divisors σ(n): 73766246400
- Sum of proper divisors (its aliquot sum) s(n): 52644772260
- 21121474140 is an abundant number, because the sum of its proper divisors (52644772260) is greater than itself. Its abundance is 31523298120
Bases of 21121474140
- Binary: 100111010101111000000011110010111002
- Hexadecimal: 0x4EAF01E5C
- Base-36: 9PB6HR0
Squares and roots of 21121474140
- 21121474140 squared (211214741402) is 446116669846688739600
- 21121474140 cubed (211214741403) is 9422641705589753978090593944000
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The
square root of 21121474140 is 145332.2887041967 -
The
cube root of 21121474140 is 2764.2336019433
Scales and comparisons
How big is 21121474140?- 21,121,474,140 seconds is equal to 671 years, 31 weeks, 12 hours, 9 minutes.
-
To count from 1 to 21,121,474,140 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 21121474140 cubic inches would be around 230.4 feet tall.
Recreational maths with 21121474140
- 21121474140 backwards is 04147412112
- 21121474140 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21121474140's digits is 27
- More coming soon!
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