20004387840

Names of 20004387840

• Cardinal: 20004387840 can be written as Twenty billion, four million, three hundred eighty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.000438784 × 10¹⁰

Factors of 20004387840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 8254

Divisors of 20004387840

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 53 60 64 72 80 90 96 106 120 128 144 159 160 180 192 212 240 256 265 288 318 320 360 384 424 477 480 512 530 576 636 640 720 768 795 848 954 960 1024 1060 1152 1272 1280 1440 1536 1590 1696 1908 1920 2120 2304 2385 2544 2560 2880 3072 3180 3392 3816 3840 4240 4608 4770 5088 5120 5760 6360 6784 7632 7680 8191 8480 9216 9540 10176 11520 12720 13568 15264 15360 16382 16960 19080 20352 23040 24573 25440 27136 30528 32764 33920 38160 40704 40955 46080 49146 50880 54272 61056 65528 67840 73719 76320 81408 81910 98292 101760 122112 122865 131056 135680 147438 152640 162816 163820 196584 203520 244224 245730 262112 271360 294876 305280 327640 368595 393168 407040 434123 488448 491460 524224 589752 610560 655280 737190 786336 814080 868246 982920 1048448 1179504 1221120 1302369 1310560 1474380 1572672 1736492 1965840 2096896 2170615 2359008 2442240 2604738 2621120 2948760 3145344 3472984 3907107 3931680 4193792 4341230 4718016 5209476 5242240 5897520 6290688 6511845 6945968 7814214 7863360 8387584 8682460 9436032 10418952 10484480 11795040 12581376 13023690 13891936 15628428 15726720 17364920 18872064 19535535 20837904 20968960 23590080 25162752 26047380 27783872 31256856 31453440 34729840 37744128 39071070 41675808 41937920 47180160 52094760 55567744 62513712 62906880 69459680 75488256 78142140 83351616 94360320 104189520 111135488 125027424 125813760 138919360 156284280 166703232 188720640 208379040 222270976 250054848 277838720 312568560 333406464 377441280 416758080 444541952 500109696 555677440 625137120 666812928 833516160 1000219392 1111354880 1250274240 1333625856 1667032320 2000438784 2222709760 2500548480 3334064640 4000877568 5001096960 6668129280 10002193920 20004387840
• Sum of all divisors σ(n): 70631129088
• Sum of proper divisors (its aliquot sum) s(n): 50626741248
• 20004387840 is an abundant number, because the sum of its proper divisors (50626741248) is greater than itself. Its abundance is 30622353408

Bases of 20004387840

• Binary: 10010101000010110101011110000000000₂
• Hexadecimal: 0x4A85ABC00
• Base-36: 96U3GG0

Squares and roots of 20004387840

• 20004387840 squared (20004387840²) is 400175532853139865600
• 20004387840 cubed (20004387840³) is 8005266563272871633227874304000
• The square root of 20004387840 is 141436.8687436201
• The cube root of 20004387840 is 2714.6161092497

Scales and comparisons

• 20,004,387,840 seconds is equal to 636 years, 4 weeks, 6 hours, 24 minutes.
• To count from 1 to 20,004,387,840 would take you about one thousand, two hundred seventy-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 20004387840 cubic inches would be around 226.2 feet tall.

Recreational maths with 20004387840

• 20004387840 backwards is 04878340002
• 20004387840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20004387840's digits is 36
• More coming soon!