21071656522620

Names of 21071656522620

• Cardinal: 21071656522620 can be written as Twenty-one trillion, seventy-one billion, six hundred fifty-six million, five hundred twenty-two thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.107165652262 × 10¹³

Factors of 21071656522620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 87274

Divisors of 21071656522620

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 103 108 110 132 135 165 180 198 206 220 270 297 309 330 396 397 412 495 515 540 594 618 660 794 927 990 1030 1133 1188 1191 1236 1485 1545 1588 1854 1980 1985 2060 2266 2382 2781 2970 3090 3399 3573 3708 3970 4367 4532 4635 4764 5562 5665 5940 5955 6180 6798 7146 7940 8734 9270 10197 10719 11124 11330 11910 13101 13596 13905 14292 16995 17468 17865 18540 20394 21438 21835 22660 23820 26202 27810 30591 33990 35730 39303 40788 40891 42876 43670 50985 52404 53595 55620 61182 65505 67980 71460 78606 81782 86753 87340 101970 107190 117909 122364 122673 131010 152955 157212 163564 173506 196515 203940 204455 214380 235818 245346 260259 262020 305910 347012 368019 393030 408910 433765 449801 471636 490692 520518 589545 611820 613365 736038 780777 786060 817820 867530 899602 954283 1041036 1104057 1179090 1226730 1301295 1349403 1472076 1561554 1735060 1799204 1840095 1908566 2208114 2249005 2342331 2358180 2453460 2602590 2698806 2862849 3123108 3680190 3817132 3903885 4048209 4416228 4498010 4684662 4771415 5205180 5397612 5520285 5725698 6747015 7360380 7807770 8096418 8588547 8935559 8996020 9369324 9542830 11040570 11451396 11711655 12144627 13494030 14314245 15615540 16192836 17177094 17871118 19085660 20241045 22081140 23423310 24289254 25765641 26806677 26988060 28628490 34354188 34440941 35742236 40482090 42942735 44677795 46846620 48578508 51531282 53613354 57256980 60723135 68881882 80420031 80964180 85885470 89355590 98291149 103062564 103322823 107226708 121446270 128828205 134033385 137763764 160840062 171770940 172204705 178711180 196582298 206645646 241260093 242892540 257656410 268066770 294873447 309968469 321680124 344409410 378850351 393164596 402100155 413291292 482520186 491455745 515312820 516614115 536133540 589746894 619936938 688818820 757700702 804200310 884620341 929905407 965040372 982911490 1033228230 1136551053 1179493788 1206300465 1239873876 1474367235 1515401404 1549842345 1608400620 1769240682 1859810814 1894251755 1965822980 2066456460 2273102106 2412600930 2653861023 2948734470 3099684690 3409653159 3538481364 3547416923 3719621628 3788503510 4423101705 4546204212 4649527035 4825201860 5307722046 5682755265 5897468940 6199369380 6819306318 7094833846 7577007020 8846203410 9299054070 10228959477 10615444092 10642250769 11365510530 13269305115 13638612636 14189667692 17048265795 17692406820 17737084615 18598108140 20457918954 21284501538 22731021060 26538610230 31926752307 34096531590 35474169230 39021586153 40915837908 42569003076 51144797385 53077220460 53211253845 63853504614 68193063180 70948338460 78043172306 95780256921 102289594770 106422507690 117064758459 127707009228 156086344612 159633761535 191560513842 195107930765 204579189540 212845015380 234129516918 319267523070 351194275377 383121027684 390215861530 468259033836 478901284605 585323792295 638535046140 702388550754 780431723060 957802569210 1053582826131 1170647584590 1404777101508 1755971376885 1915605138420 2107165652262 2341295169180 3511942753770 4214331304524 5267914130655 7023885507540 10535828261310 21071656522620
• Sum of all divisors σ(n): 72392978810880
• Sum of proper divisors (its aliquot sum) s(n): 51321322288260
• 21071656522620 is an abundant number, because the sum of its proper divisors (51321322288260) is greater than itself. Its abundance is 30249665765640

Bases of 21071656522620

• Binary: 100110010101000100000100110100001001101111100₂
• Hexadecimal: 0x132A209A137C
• Base-36: 7GW6O8MF0

Squares and roots of 21071656522620

• 21071656522620 squared (21071656522620²) is 444014708607273990571664400
• 21071656522620 cubed (21071656522620³) is 9356125430763683639406888536809648728000
• The square root of 21071656522620 is 4590387.4044158843
• The cube root of 21071656522620 is 27620.5862842459

Scales and comparisons

• 21,071,656,522,620 seconds is equal to 670,013 years, 25 weeks, 6 days, 10 hours, 57 minutes.
• To count from 1 to 21,071,656,522,620 would take you about one million, six hundred seventy-five thousand and thirty-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 21071656522620 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21071656522620

• 21071656522620 backwards is 02622565617012
• 21071656522620 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21071656522620's digits is 45
• More coming soon!