20321687925

Names of 20321687925

• Cardinal: 20321687925 can be written as Twenty billion, three hundred twenty-one million, six hundred eighty-seven thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 2.0321687925 × 10¹⁰

Factors of 20321687925

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 195

Divisors of 20321687925

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 33 35 41 45 49 55 61 63 67 75 77 99 105 123 147 165 175 183 201 205 225 231 245 275 287 305 315 335 369 385 427 441 451 469 495 525 539 549 603 615 671 693 735 737 825 861 915 1005 1025 1155 1225 1281 1353 1407 1435 1525 1575 1617 1675 1845 1925 2009 2013 2135 2205 2211 2255 2345 2475 2501 2583 2695 2745 2747 2989 3015 3075 3157 3283 3355 3465 3675 3685 3843 4059 4087 4221 4305 4575 4697 4851 5025 5159 5775 6027 6039 6405 6633 6765 7035 7175 7503 8085 8241 8967 9225 9471 9849 10045 10065 10675 11025 11055 11275 11725 12261 12505 12915 13475 13725 13735 14091 14945 15075 15477 15785 16415 16775 17325 17507 18081 18425 19215 19229 20295 20435 21105 21525 22099 22509 23485 24255 24723 25795 26901 27511 28413 28609 29547 30135 30195 30217 32025 32879 33165 33825 35175 36113 36783 37515 40425 41205 42273 44835 44957 46431 47355 49245 50225 50325 52521 55275 57687 61305 62525 64575 66297 68675 70455 74725 77385 78925 82075 82533 85827 87535 90405 90651 96075 96145 98637 101475 102175 105525 108339 110495 112545 117425 121275 122549 123615 128975 134505 134603 134871 137555 142065 143045 147735 150675 150975 151085 157563 164395 165825 167567 173061 180565 183915 187575 192577 198891 200263 206025 211365 211519 224175 224785 232155 236775 246225 247599 257481 262605 271953 288435 295911 306525 314699 325017 331485 352275 367647 386925 403809 404613 412665 429135 437675 452025 453255 480725 493185 502701 541695 552475 562725 577731 600789 612745 618075 634557 672525 673015 674355 687775 710325 715225 738675 755425 787815 821975 837835 865305 902825 919575 944097 962885 994455 1001315 1056825 1057595 1102941 1123925 1160775 1172969 1211427 1237995 1287405 1313025 1348039 1359765 1442175 1479555 1480633 1508103 1573495 1625085 1657425 1733193 1802367 1838235 1843237 1903671 2019045 2023065 2063325 2145675 2202893 2266275 2465925 2513505 2708475 2832291 2888655 3003945 3063725 3172785 3365075 3371775 3518907 3939075 4044117 4189175 4326525 4441899 4720485 4814425 4972275 5006575 5287975 5514705 5529711 5864845 6057135 6189975 6437025 6608679 6740195 6798825 7397775 7403165 7540515 7867475 8125425 8210783 8665965 9011835 9191175 9216185 9518355 10095225 10115325 10556721 11014465 12132351 12567525 12902659 13325697 14161455 14443275 15019725 15863925 16589133 17594535 19826037 20220585 22209495 23602425 24632349 27573525 27648555 29324225 30285675 33043395 33700975 37015825 37702575 38707977 41053915 43329825 45059175 46080925 47591775 52783605 55072325 60661755 64513295 66628485 70807275 73897047 82945665 87972675 90318613 99130185 101102925 111047475 116123931 123161745 138242775 165216975 193539885 205269575 263918025 270955839 303308775 322566475 333142425 369485235 414728325 451593065 495650925 580619655 615808725 812867517 967699425 1354779195 1847426175 2257965325 2903098275 4064337585 6773895975 20321687925
• Sum of all divisors σ(n): 48810250944
• Sum of proper divisors (its aliquot sum) s(n): 28488563019
• 20321687925 is an abundant number, because the sum of its proper divisors (28488563019) is greater than itself. Its abundance is 8166875094

Bases of 20321687925

• Binary: 10010111011010001000101100101110101₂
• Hexadecimal: 0x4BB445975
• Base-36: 9C30AR9

Squares and roots of 20321687925

• 20321687925 squared (20321687925²) is 412971000121090805625
• 20321687925 cubed (20321687925³) is 8392267786535944562498084578125
• The square root of 20321687925 is 142554.1578664053
• The cube root of 20321687925 is 2728.8935358335

Scales and comparisons

• 20,321,687,925 seconds is equal to 646 years, 8 weeks, 4 days, 17 hours, 18 minutes, 45 seconds.
• To count from 1 to 20,321,687,925 would take you about one thousand, two hundred ninety-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 20321687925 cubic inches would be around 227.4 feet tall.

Recreational maths with 20321687925

• 20321687925 backwards is 52978612302
• 20321687925 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20321687925's digits is 45
• More coming soon!