21423157560

Names of 21423157560

• Cardinal: 21423157560 can be written as Twenty-one billion, four hundred twenty-three million, one hundred fifty-seven thousand, five hundred sixty.

Scientific notation

• Scientific notation: 2.142315756 × 10¹⁰

Factors of 21423157560

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 618

Divisors of 21423157560

• 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 90 105 106 108 120 126 127 135 140 159 168 180 189 210 212 216 252 254 265 270 280 315 318 360 371 378 381 420 421 424 477 504 508 530 540 630 635 636 742 756 762 795 840 842 889 945 954 1016 1060 1080 1113 1143 1260 1263 1270 1272 1431 1484 1512 1524 1590 1684 1778 1855 1890 1905 1908 2105 2120 2226 2286 2385 2520 2526 2540 2667 2862 2947 2968 3048 3180 3339 3368 3429 3556 3710 3780 3789 3810 3816 4210 4445 4452 4572 4770 5052 5080 5334 5565 5715 5724 5894 6315 6360 6678 6731 6858 7112 7155 7420 7560 7578 7620 8001 8420 8841 8890 8904 9144 9540 10017 10104 10668 11130 11367 11430 11448 11788 12630 13335 13356 13462 13716 14310 14735 14840 15156 15240 16002 16695 16840 17145 17682 17780 18945 19080 20034 20193 21336 22260 22313 22734 22860 23576 24003 25260 26523 26670 26712 26924 27432 28620 29470 30312 32004 33390 33655 34290 35364 35560 37890 40005 40068 40386 44205 44520 44626 45468 45720 47117 48006 50085 50520 53046 53340 53467 53848 56835 57240 58940 60579 64008 66780 66939 67310 68580 70728 75780 79569 80010 80136 80772 88410 89252 90936 94234 96012 100170 100965 106092 106680 106934 111565 113670 117880 120015 121158 132615 133560 133878 134620 137160 141351 151560 156191 159138 160020 160401 161544 176820 178504 181737 188468 192024 200340 200817 201930 212184 213868 223130 227340 235585 240030 242316 265230 267335 267756 269240 282702 302895 312382 318276 320040 320802 334695 353640 363474 374269 376936 397845 400680 401634 403860 424053 427736 446260 454680 468573 471170 480060 481203 484632 530460 534670 535512 565404 602451 605790 624764 636552 641604 669390 706755 726948 748538 780955 795690 802005 803268 807720 848106 892520 908685 937146 942340 960120 962406 1004085 1060920 1069340 1122807 1130808 1204902 1211580 1249528 1272159 1283208 1338780 1405719 1413510 1443609 1453896 1497076 1561910 1591380 1604010 1606536 1696212 1817370 1871345 1874292 1884680 1924812 2008170 2120265 2138680 2245614 2342865 2406015 2409804 2423160 2544318 2677560 2811438 2827020 2833751 2887218 2994152 3012255 3123820 3182760 3208020 3368421 3392424 3634740 3742690 3748584 3849624 4016340 4217157 4240530 4491228 4685730 4812030 4819608 5088636 5614035 5622876 5654040 5667502 5774436 6024510 6247640 6360795 6416040 6736842 7028595 7218045 7269480 7485380 8032680 8434314 8481060 8501253 8982456 9371460 9624060 10105263 10177272 11228070 11245752 11335004 11548872 12049020 12721590 13473684 14057190 14168755 14436090 14970760 16842105 16868628 16962120 17002506 18742920 19248120 19836257 20210526 21085785 22456140 22670008 24098040 25443180 25503759 26947368 28114380 28337510 28872180 33684210 33737256 34005012 39672514 40421052 42171570 42506265 44912280 50526315 50886360 51007518 56228760 56675020 57744360 59508771 67368420 68010024 76511277 79345028 80842104 84343140 85012530 99181285 101052630 102015036 113350040 119017542 127518795 134736840 153022554 158690056 168686280 170025060 178526313 198362570 202105260 204030072 238035084 255037590 297543855 306045108 340050120 357052626 382556385 396725140 404210520 476070168 510075180 535578939 595087710 612090216 714105252 765112770 793450280 892631565 1020150360 1071157878 1190175420 1428210504 1530225540 1785263130 2142315756 2380350840 2677894695 3060451080 3570526260 4284631512 5355789390 7141052520 10711578780 21423157560
• Sum of all divisors σ(n): 84005683200
• Sum of proper divisors (its aliquot sum) s(n): 62582525640
• 21423157560 is an abundant number, because the sum of its proper divisors (62582525640) is greater than itself. Its abundance is 41159368080

Bases of 21423157560

• Binary: 10011111100111010110111000100111000₂
• Hexadecimal: 0x4FCEB7138
• Base-36: 9UASM60

Squares and roots of 21423157560

• 21423157560 squared (21423157560²) is 458951679840585153600
• 21423157560 cubed (21423157560³) is 9832194149651531428169601216000
• The square root of 21423157560 is 146366.5178925837
• The cube root of 21423157560 is 2777.3321869691

Scales and comparisons

• 21,423,157,560 seconds is equal to 681 years, 9 weeks, 6 days, 5 hours, 6 minutes.
• To count from 1 to 21,423,157,560 would take you about one thousand, three hundred sixty-two 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 21423157560 cubic inches would be around 231.4 feet tall.

Recreational maths with 21423157560

• 21423157560 backwards is 06575132412
• 21423157560 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21423157560's digits is 36
• More coming soon!