20838684720

Names of 20838684720

• Cardinal: 20838684720 can be written as Twenty billion, eight hundred thirty-eight million, six hundred eighty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.083868472 × 10¹⁰

Factors of 20838684720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 93299

Divisors of 20838684720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 35 38 40 42 48 49 56 57 60 70 76 80 84 95 98 105 112 114 120 133 140 147 152 168 190 196 210 228 240 245 266 280 285 294 304 336 380 392 399 420 456 490 532 560 570 588 665 735 760 784 798 840 912 931 980 1064 1140 1176 1330 1470 1520 1596 1680 1862 1960 1995 2128 2280 2352 2660 2793 2940 3192 3724 3920 3990 4560 4655 5320 5586 5880 6384 7448 7980 9310 10640 11172 11760 13965 14896 15960 18620 22344 27930 31920 37240 44688 55860 74480 93263 111720 186526 223440 279789 373052 466315 559578 652841 746104 932630 1119156 1305682 1398945 1492208 1771997 1865260 1958523 2238312 2611364 2797890 3264205 3543994 3730520 3917046 4476624 4569887 5222728 5315991 5595780 6528410 7087988 7461040 7834092 8859985 9139774 9792615 10445456 10631982 11191560 12403979 13056820 13709661 14175976 15668184 17719970 18279548 19585230 21263964 22383120 22849435 24807958 26113640 26579955 27419322 28351952 31336368 35439940 36559096 37211937 39170460 42527928 45698870 49615916 52227280 53159910 54838644 62019895 68548305 70879880 73118192 74423874 78340920 85055856 86827853 91397740 99231832 106319820 109677288 124039790 137096610 141759760 148847748 156681840 173655706 182795480 186059685 198463664 212639640 219354576 248079580 260483559 274193220 297695496 347311412 365590960 372119370 425279280 434139265 496159160 520967118 548386440 595390992 694622824 744238740 868278530 992318320 1041934236 1096772880 1302417795 1389245648 1488477480 1736557060 2083868472 2604835590 2976954960 3473114120 4167736944 5209671180 6946228240 10419342360 20838684720
• Sum of all divisors σ(n): 79102794240
• Sum of proper divisors (its aliquot sum) s(n): 58264109520
• 20838684720 is an abundant number, because the sum of its proper divisors (58264109520) is greater than itself. Its abundance is 37425424800

Bases of 20838684720

• Binary: 10011011010000101010001100000110000₂
• Hexadecimal: 0x4DA151830
• Base-36: 9KMTC1C

Squares and roots of 20838684720

• 20838684720 squared (20838684720²) is 434250780859561478400
• 20838684720 cubed (20838684720³) is 9049215111746212245834690048000
• The square root of 20838684720 is 144356.1038543227
• The cube root of 20838684720 is 2751.8416191019

Scales and comparisons

• 20,838,684,720 seconds is equal to 662 years, 31 weeks, 3 days, 11 hours, 32 minutes.
• To count from 1 to 20,838,684,720 would take you about one thousand, three hundred twenty-five 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 20838684720 cubic inches would be around 229.3 feet tall.

Recreational maths with 20838684720

• 20838684720 backwards is 02748683802
• 20838684720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20838684720's digits is 48
• More coming soon!