21210256552160

Names of 21210256552160

• Cardinal: 21210256552160 can be written as Twenty-one trillion, two hundred ten billion, two hundred fifty-six million, five hundred fifty-two thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.121025655216 × 10¹³

Factors of 21210256552160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2598

Divisors of 21210256552160

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 131 160 169 208 260 262 338 416 520 524 655 676 845 1040 1048 1310 1352 1690 1703 2080 2096 2447 2620 2704 3380 3406 4192 4894 5240 5408 6760 6812 8515 9788 10480 12235 13520 13624 17030 19576 20960 22139 24470 27040 27248 31811 34060 39152 44278 48940 54496 63622 68120 78304 88556 97880 110695 127244 136240 159055 177112 195760 221390 254488 272480 318110 320557 354224 391520 413543 442780 508976 636220 641114 708448 827086 885560 1017952 1272440 1282228 1602785 1654172 1771120 2067715 2544880 2564456 3205570 3308344 3542240 4135430 4167241 5089760 5128912 5987809 6411140 6616688 8270860 8334482 10257824 11975618 12822280 13233376 16541720 16668964 20836205 23951236 25644560 29939045 33083440 33337928 41672410 47902472 51289120 54174133 59878090 66166880 66675856 77841517 83344820 95804944 108348266 119756180 133351712 155683034 166689640 191609888 216696532 239512360 270870665 311366068 333379280 389207585 433393064 479024720 541741330 622732136 666758560 778415170 784402979 866786128 958049440 1011939721 1083482660 1245464272 1556830340 1568805958 1733572256 2023879442 2166965320 2490928544 3113660680 3137611916 3922014895 4047758884 4333930640 5059698605 6227321360 6275223832 7844029790 8095517768 8667861280 10119397210 10197238727 12454642720 12550447664 15688059580 16191035536 20238794420 20394477454 25100895328 31376119160 32382071072 40477588840 40788954908 50986193635 62752238320 80955177680 81577909816 101972387270 125504476640 132564103451 161910355360 163155819632 203944774540 265128206902 326311639264 407889549080 530256413804 662820517255 815779098160 1060512827608 1325641034510 1631558196320 2121025655216 2651282069020 4242051310432 5302564138040 10605128276080 21210256552160
• Sum of all divisors σ(n): 54696844978776
• Sum of proper divisors (its aliquot sum) s(n): 33486588426616
• 21210256552160 is an abundant number, because the sum of its proper divisors (33486588426616) is greater than itself. Its abundance is 12276331874456

Bases of 21210256552160

• Binary: 100110100101001100101110011101011000011100000₂
• Hexadecimal: 0x134A65CEB0E0
• Base-36: 7INUV49NK

Squares and roots of 21210256552160

• 21210256552160 squared (21210256552160²) is 449874983008446210800665600
• 21210256552160 cubed (21210256552160³) is 9541963806007764911255742102089117696000
• The square root of 21210256552160 is 4605459.4289994565
• The cube root of 21210256552160 is 27681.0126548647

Scales and comparisons

• 21,210,256,552,160 seconds is equal to 674,420 years, 28 weeks, 4 days, 11 hours, 9 minutes, 20 seconds.
• To count from 1 to 21,210,256,552,160 would take you about one million, six hundred eighty-six thousand and fifty-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 21210256552160 cubic inches would be around 2306.8 feet tall.

Recreational maths with 21210256552160

• 21210256552160 backwards is 06125565201212
• The number of decimal digits it has is: 14
• The sum of 21210256552160's digits is 38
• More coming soon!