20189942880

Names of 20189942880

• Cardinal: 20189942880 can be written as Twenty billion, one hundred eighty-nine million, nine hundred forty-two thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 2.018994288 × 10¹⁰

Factors of 20189942880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 18701

Divisors of 20189942880

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 73 80 93 96 120 124 146 155 160 186 219 240 248 292 310 365 372 438 465 480 496 584 620 730 744 876 930 992 1095 1168 1240 1460 1488 1752 1860 2190 2263 2336 2480 2920 2976 3504 3720 4380 4526 4960 5840 6789 7008 7440 8760 9052 11315 11680 13578 14880 17520 18104 18587 22630 27156 33945 35040 36208 37174 45260 54312 55761 67890 72416 74348 90520 92935 108624 111522 135780 148696 181040 185870 217248 223044 271560 278805 297392 362080 371740 446088 543120 557610 576197 594784 743480 892176 1086240 1115220 1152394 1356851 1486960 1728591 1784352 2230440 2304788 2713702 2880985 2973920 3457182 4070553 4460880 4609576 5427404 5761970 6784255 6914364 8141106 8642955 8921760 9219152 10854808 11523940 13568510 13828728 16282212 17285910 18438304 20352765 21709616 23047880 27137020 27657456 32564424 34571820 40705530 42062381 43419232 46095760 54274040 55314912 65128848 69143640 81411060 84124762 92191520 108548080 126187143 130257696 138287280 162822120 168249524 210311905 217096160 252374286 276574560 325644240 336499048 420623810 504748572 630935715 651288480 672998096 841247620 1009497144 1261871430 1345996192 1682495240 2018994288 2523742860 3364990480 4037988576 5047485720 6729980960 10094971440 20189942880
• Sum of all divisors σ(n): 66552772608
• Sum of proper divisors (its aliquot sum) s(n): 46362829728
• 20189942880 is an abundant number, because the sum of its proper divisors (46362829728) is greater than itself. Its abundance is 26172886848

Bases of 20189942880

• Binary: 10010110011011010100001010001100000₂
• Hexadecimal: 0x4B36A1460
• Base-36: 99WKJMO

Squares and roots of 20189942880

• 20189942880 squared (20189942880²) is 407633793497662694400
• 20189942880 cubed (20189942880³) is 8230103006675525213442895872000
• The square root of 20189942880 is 142091.3188059003
• The cube root of 20189942880 is 2722.9836276691

Scales and comparisons

• 20,189,942,880 seconds is equal to 641 years, 50 weeks, 5 days, 21 hours, 28 minutes.
• To count from 1 to 20,189,942,880 would take you about one thousand, two hundred eighty-three 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 20189942880 cubic inches would be around 226.9 feet tall.

Recreational maths with 20189942880

• 20189942880 backwards is 08824998102
• The number of decimal digits it has is: 11
• The sum of 20189942880's digits is 51
• More coming soon!