20769942079728

Names of 20769942079728

• Cardinal: 20769942079728 can be written as Twenty trillion, seven hundred sixty-nine billion, nine hundred forty-two million, seventy-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0769942079728 × 10¹³

Factors of 20769942079728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 152584

Divisors of 20769942079728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 97 108 144 194 216 291 388 432 582 776 873 1164 1552 1746 2328 2619 3323 3492 4656 5238 6646 6984 9969 10476 13292 13968 19938 20952 26584 29907 39876 41904 53168 59814 79752 89721 119628 149159 159504 179442 239256 298318 322331 358884 447477 478512 596636 644662 717768 894954 966993 1193272 1289324 1342431 1435536 1789908 1933986 2386544 2578648 2684862 2900979 3579816 3867972 4027293 5157296 5369724 5801958 7159632 7735944 8054586 8702937 10739448 11603916 14468423 15471888 16109172 17405874 21478896 23207832 28936846 32218344 34811748 43405269 46415664 57873692 64436688 69623496 86810538 115747384 130215807 139246992 173621076 231494768 260431614 347242152 390647421 495655357 520863228 694484304 781294842 991310714 1041726456 1486966071 1562589684 1982621428 2083452912 2973932142 3125179368 3965242856 4460898213 5947864284 6250358736 7930485712 8921796426 11895728568 13382694639 17843592852 23791457136 26765389278 35687185704 48078569629 53530778556 71374371408 96157139258 107061557112 144235708887 192314278516 214123114224 288471417774 384628557032 432707126661 576942835548 769257114064 865414253322 1153885671096 1298121379983 1730828506644 2307771342192 2596242759966 3461657013288 5192485519932 6923314026576 10384971039864 20769942079728
• Sum of all divisors σ(n): 60250568716800
• Sum of proper divisors (its aliquot sum) s(n): 39480626637072
• 20769942079728 is an abundant number, because the sum of its proper divisors (39480626637072) is greater than itself. Its abundance is 18710684557344

Bases of 20769942079728

• Binary: 100101110001111100001000001010000100011110000₂
• Hexadecimal: 0x12E3E10508F0
• Base-36: 7D1KV90C0

Squares and roots of 20769942079728

• 20769942079728 squared (20769942079728²) is 431390493995255877908553984
• 20769942079728 cubed (20769942079728³) is 8959955574026714164573508185442120036352
• The square root of 20769942079728 is 4557405.1915237907
• The cube root of 20769942079728 is 27488.1236120747

Scales and comparisons

• 20,769,942,079,728 seconds is equal to 660,419 years, 47 weeks, 3 days, 3 hours, 28 minutes, 48 seconds.
• To count from 1 to 20,769,942,079,728 would take you about one million, six hundred fifty-one thousand and forty-nine 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 20769942079728 cubic inches would be around 2290.7 feet tall.

Recreational maths with 20769942079728

• 20769942079728 backwards is 82797024996702
• 20769942079728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20769942079728's digits is 72
• More coming soon!