20821425578208

Names of 20821425578208

• Cardinal: 20821425578208 can be written as Twenty trillion, eight hundred twenty-one billion, four hundred twenty-five million, five hundred seventy-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.0821425578208 × 10¹³

Factors of 20821425578208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 48502

Divisors of 20821425578208

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 32 36 48 54 58 72 81 87 96 108 116 144 162 174 216 232 261 288 324 348 432 464 522 648 696 783 864 928 1044 1296 1392 1566 2088 2349 2592 2784 3132 4176 4698 6264 6619 8352 9396 12528 13238 18792 19857 25056 26476 37584 39714 41849 52952 59571 75168 79428 83698 105904 119142 125547 158856 167396 178713 191951 211808 238284 251094 317712 334792 357426 376641 383902 476568 502188 536139 575853 635424 669584 714852 753282 767804 953136 1004376 1072278 1129923 1151706 1213621 1339168 1429704 1506564 1535608 1727559 1906272 2008752 2144556 2259846 2303412 2427242 2859408 3013128 3071216 3389769 3455118 3640863 4017504 4289112 4519692 4606824 4854484 5182677 5718816 6026256 6142432 6779538 6910236 7281726 8578224 9039384 9213648 9708968 10365354 10922589 12052512 13559076 13820472 14563452 15548031 17156448 18078768 18427296 19417936 20730708 21845178 27118152 27640944 29126904 31096062 32767767 36157536 38835872 41461416 43690356 54236304 55281888 58253808 62192124 65535534 82922832 87380712 98303301 108472608 116507616 124384248 131071068 165845664 174761424 196606602 248768496 262142136 276998531 349522848 393213204 497536992 524284272 553997062 786426408 830995593 1048568544 1107994124 1572852816 1661991186 2215988248 2492986779 3145705632 3323982372 4431976496 4985973558 6647964744 7478960337 8032957399 8863952992 9971947116 13295929488 14957920674 16065914798 19943894232 22436881011 24098872197 26591858976 29915841348 32131829596 39887788464 44873762022 48197744394 59831682696 64263659192 72296616591 79775576928 89747524044 96395488788 119663365392 128527318384 144593233182 179495048088 192790977576 216889849773 239326730784 257054636768 289186466364 358990096176 385581955152 433779699546 578372932728 650669549319 717980192352 771163910304 867559399092 1156745865456 1301339098638 1735118798184 2313491730912 2602678197276 3470237596368 5205356394552 6940475192736 10410712789104 20821425578208
• Sum of all divisors σ(n): 63357878430000
• Sum of proper divisors (its aliquot sum) s(n): 42536452851792
• 20821425578208 is an abundant number, because the sum of its proper divisors (42536452851792) is greater than itself. Its abundance is 21715027273584

Bases of 20821425578208

• Binary: 100101110111111011101101011001110000011100000₂
• Hexadecimal: 0x12EFDDACE0E0
• Base-36: 7DP8B7200

Squares and roots of 20821425578208

• 20821425578208 squared (20821425578208²) is 433531763108854347124491264
• 20821425578208 cubed (20821425578208³) is 9026749341360311308221014858689044774912
• The square root of 20821425578208 is 4563050.0302109333
• The cube root of 20821425578208 is 27510.8169361713

Scales and comparisons

• 20,821,425,578,208 seconds is equal to 662,056 years, 48 weeks, 1 day, 23 hours, 16 minutes, 48 seconds.
• To count from 1 to 20,821,425,578,208 would take you about one million, six hundred fifty-five thousand, one hundred forty-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 20821425578208 cubic inches would be around 2292.6 feet tall.

Recreational maths with 20821425578208

• 20821425578208 backwards is 80287552412802
• 20821425578208 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20821425578208's digits is 54
• More coming soon!