21742885140

Names of 21742885140

• Cardinal: 21742885140 can be written as Twenty-one billion, seven hundred forty-two million, eight hundred eighty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.174288514 × 10¹⁰

Factors of 21742885140

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1840

Divisors of 21742885140

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 29 30 58 60 61 87 116 122 127 145 174 183 244 254 290 305 348 366 381 435 508 580 610 635 732 762 870 915 1220 1270 1524 1613 1740 1769 1830 1905 2540 3226 3538 3660 3683 3810 4839 5307 6452 7076 7366 7620 7747 8065 8845 9678 10614 11049 14732 15494 16130 17690 18415 19356 21228 22098 23241 24195 26535 30988 32260 35380 36830 38735 44196 46482 46777 48390 53070 55245 73660 77470 92964 93554 96780 98393 106140 110490 116205 140331 154940 187108 196786 204851 220980 224663 232410 233885 280662 295179 393572 409702 449326 464820 467770 491965 561324 590358 614553 673989 701655 819404 898652 935540 983930 1024255 1123315 1180716 1229106 1347978 1403310 1475895 1967860 2048510 2246630 2458212 2695956 2806620 2853397 2951790 3072765 3369945 4097020 4493260 5706794 5903580 5940679 6145530 6739890 8560191 11413588 11881358 12291060 12495911 13479780 14266985 17120382 17822037 23762716 24991822 28533970 29703395 34240764 35644074 37487733 42800955 49983644 57067940 59406790 62479555 71288148 74975466 85601910 89110185 118813580 124959110 149950932 171203820 178220370 187438665 249918220 356440740 362381419 374877330 724762838 749754660 1087144257 1449525676 1811907095 2174288514 3623814190 4348577028 5435721285 7247628380 10871442570 21742885140
• Sum of all divisors σ(n): 64555868160
• Sum of proper divisors (its aliquot sum) s(n): 42812983020
• 21742885140 is an abundant number, because the sum of its proper divisors (42812983020) is greater than itself. Its abundance is 21070097880

Bases of 21742885140

• Binary: 10100001111111110100001100100010100₂
• Hexadecimal: 0x50FFA1914
• Base-36: 9ZL5HJO

Squares and roots of 21742885140

• 21742885140 squared (21742885140²) is 472753054211232819600
• 21742885140 cubed (21742885140³) is 10279015357299028494361140744000
• The square root of 21742885140 is 147454.6884300395
• The cube root of 21742885140 is 2791.0806800047

Scales and comparisons

• 21,742,885,140 seconds is equal to 691 years, 18 weeks, 3 days, 18 hours, 19 minutes.
• To count from 1 to 21,742,885,140 would take you about one thousand, three hundred eighty-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 21742885140 cubic inches would be around 232.6 feet tall.

Recreational maths with 21742885140

• 21742885140 backwards is 04158824712
• The number of decimal digits it has is: 11
• The sum of 21742885140's digits is 42
• More coming soon!