28026393840

Names of 28026393840

• Cardinal: 28026393840 can be written as Twenty-eight billion, twenty-six million, three hundred ninety-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.802639384 × 10¹⁰

Factors of 28026393840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 107856

Divisors of 28026393840

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 36 38 40 45 48 57 60 72 76 80 90 95 114 120 144 152 171 180 190 228 240 285 304 342 360 361 380 456 570 684 720 722 760 855 912 1083 1140 1368 1444 1520 1710 1805 2166 2280 2736 2888 3249 3420 3610 4332 4560 5415 5776 6498 6840 7220 8664 10830 12996 13680 14440 16245 17328 21660 25992 28880 32490 43320 51984 64980 86640 107827 129960 215654 259920 323481 431308 539135 646962 862616 970443 1078270 1293924 1617405 1725232 1940886 2048713 2156540 2587848 3234810 3881772 4097426 4313080 4852215 5175696 6146139 6469620 7763544 8194852 8626160 9704430 10243565 12292278 12939240 15527088 16389704 18438417 19408860 20487130 24584556 25878480 30730695 32779408 36876834 38817720 38925547 40974260 49169112 61461390 73753668 77635440 77851094 81948520 92192085 98338224 116776641 122922780 147507336 155702188 163897040 184384170 194627735 233553282 245845560 295014672 311404376 350329923 368768340 389255470 467106564 491691120 583883205 622808752 700659846 737536680 778510940 934213128 1167766410 1401319692 1475073360 1557021880 1751649615 1868426256 2335532820 2802639384 3114043760 3503299230 4671065640 5605278768 7006598460 9342131280 14013196920 28026393840
• Sum of all divisors σ(n): 99337407624
• Sum of proper divisors (its aliquot sum) s(n): 71311013784
• 28026393840 is an abundant number, because the sum of its proper divisors (71311013784) is greater than itself. Its abundance is 43284619944

Bases of 28026393840

• Binary: 11010000110100000001101010011110000₂
• Hexadecimal: 0x68680D4F0
• Base-36: CVI6VW0

Squares and roots of 28026393840

• 28026393840 squared (28026393840²) is 785478751674789945600
• 28026393840 cubed (28026393840³) is 22014136847389222614657775104000
• The square root of 28026393840 is 167410.8534115993
• The cube root of 28026393840 is 3037.5428060827

Scales and comparisons

• 28,026,393,840 seconds is equal to 891 years, 7 weeks, 6 days, 13 hours, 24 minutes.
• To count from 1 to 28,026,393,840 would take you about one thousand, seven 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 28026393840 cubic inches would be around 253.1 feet tall.

Recreational maths with 28026393840

• 28026393840 backwards is 04839362082
• 28026393840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28026393840's digits is 45
• More coming soon!