20942472901644

Names of 20942472901644

• Cardinal: 20942472901644 can be written as Twenty trillion, nine hundred forty-two billion, four hundred seventy-two million, nine hundred one thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 2.0942472901644 × 10¹³

Factors of 20942472901644

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3602

Divisors of 20942472901644

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 49 57 63 76 84 98 114 126 133 147 171 196 228 252 266 294 342 343 399 441 532 588 684 686 798 882 931 1029 1197 1372 1596 1764 1862 2058 2394 2401 2793 3087 3571 3724 4116 4788 4802 5586 6174 6517 7142 7203 8379 9604 10713 11172 12348 13034 14284 14406 16758 19551 21426 21609 24997 26068 28812 32139 33516 39102 42852 43218 45619 49994 58653 64278 67849 74991 78204 86436 91238 99988 117306 128556 135698 136857 149982 174979 182476 203547 224973 234612 271396 273714 299964 349958 407094 410571 449946 474943 524937 547428 610641 699916 814188 821142 899892 949886 1049874 1221282 1224853 1424829 1574811 1642284 1899772 2099748 2442564 2449706 2849658 3149622 3324601 3674559 4274487 4899412 5699316 6299244 6649202 7349118 8548974 8573971 9973803 11023677 12752041 13298404 14698236 17097948 17147942 19947606 22047354 23272207 25504082 25721913 29921409 34295884 38256123 39895212 44094708 46544414 51008164 51443826 59842818 69816621 76512246 77165739 89264287 93088828 102887652 114768369 119685636 139633242 153024492 154331478 162905449 178528574 209449863 229536738 242288779 267792861 279266484 308662956 325810898 357057148 418899726 459073476 484577558 488716347 535585722 624850009 651621796 726866337 803378583 837799452 969155116 977432694 1071171444 1249700018 1453732674 1466149041 1606757166 1696021453 1874550027 1954865388 2180599011 2499400036 2907465348 2932298082 3213514332 3392042906 3749100054 4361198022 4373950063 5088064359 5623650081 5864596164 6784085812 7498200108 8722396044 8747900126 10176128718 11247300162 11872150171 13121850189 15264193077 17495800252 20352257436 22494600324 23744300342 26243700378 30528386154 30617650441 35616450513 39365550567 47488600684 52487400756 61056772308 61235300882 71232901026 78731101134 83105051197 91852951323 106849351539 122470601764 142465802052 157462202268 166210102394 183705902646 213698703078 249315153591 275558853969 332420204788 367411805292 427397406156 498630307182 551117707938 581735358379 747945460773 997260614364 1102235415876 1163470716758 1495890921546 1745206075137 2326941433516 2991781843092 3490412150274 5235618225411 6980824300548 10471236450822 20942472901644
• Sum of all divisors σ(n): 65025819063660
• Sum of proper divisors (its aliquot sum) s(n): 44083346162016
• 20942472901644 is an abundant number, because the sum of its proper divisors (44083346162016) is greater than itself. Its abundance is 23140873260372

Bases of 20942472901644

• Binary: 100110000110000001100101010000111010000001100₂
• Hexadecimal: 0x130C0CA8740C
• Base-36: 7F8U7NAJ0

Squares and roots of 20942472901644

• 20942472901644 squared (20942472901644²) is 438587171236093260897902736
• 20942472901644 cubed (20942472901644³) is 9185099948620579927739095036432006497984
• The square root of 20942472901644 is 4576294.6694508211
• The cube root of 20942472901644 is 27564.0262005261

Scales and comparisons

• 20,942,472,901,644 seconds is equal to 665,905 years, 44 weeks, 4 days, 15 hours, 47 minutes, 24 seconds.
• To count from 1 to 20,942,472,901,644 would take you about one million, six hundred sixty-four thousand, seven hundred sixty-four 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 20942472901644 cubic inches would be around 2297 feet tall.

Recreational maths with 20942472901644

• 20942472901644 backwards is 44610927424902
• The number of decimal digits it has is: 14
• The sum of 20942472901644's digits is 54
• More coming soon!