21359798250

Names of 21359798250

• Cardinal: 21359798250 can be written as Twenty-one billion, three hundred fifty-nine million, seven hundred ninety-eight thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.135979825 × 10¹⁰

Factors of 21359798250

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18797

Divisors of 21359798250

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 30 31 35 42 49 50 62 70 75 93 98 105 125 147 150 155 175 186 210 217 245 250 294 310 350 375 434 465 490 525 651 735 750 775 875 930 1050 1085 1225 1302 1470 1519 1550 1750 2170 2325 2450 2625 3038 3255 3675 3875 4557 4650 5250 5425 6125 6510 7350 7595 7750 9114 10850 11625 12250 15190 16275 18375 18749 22785 23250 27125 32550 36750 37498 37975 45570 54250 56247 75950 81375 93745 112494 113925 131243 162750 187490 189875 227850 262486 281235 379750 393729 468725 562470 569625 581219 656215 787458 918701 937450 1139250 1162438 1312430 1406175 1743657 1837402 1968645 2343625 2756103 2812350 2906095 3281075 3487314 3937290 4068533 4593505 4687250 5512206 5812190 6562150 7030875 8137066 8718285 9187010 9843225 12205599 13780515 14061750 14530475 16405375 17436570 19686450 20342665 22967525 24411198 27561030 28479731 29060950 32810750 40685330 43591425 45935050 49216125 56959462 61027995 68902575 72652375 85439193 87182850 98432250 101713325 114837625 122055990 137805150 142398655 145304750 170878386 203426650 217957125 229675250 284797310 305139975 344512875 427195965 435914250 508566625 610279950 689025750 711993275 854391930 1017133250 1423986550 1525699875 2135979825 3051399750 3559966375 4271959650 7119932750 10679899125 21359798250
• Sum of all divisors σ(n): 64022400000
• Sum of proper divisors (its aliquot sum) s(n): 42662601750
• 21359798250 is an abundant number, because the sum of its proper divisors (42662601750) is greater than itself. Its abundance is 21302803500

Bases of 21359798250

• Binary: 10011111001001001001010011111101010₂
• Hexadecimal: 0x4F924A7EA
• Base-36: 9T92LT6

Squares and roots of 21359798250

• 21359798250 squared (21359798250²) is 456240981280703062500
• 21359798250 cubed (21359798250³) is 9745215313537844033157140625000
• The square root of 21359798250 is 146149.9170372669
• The cube root of 21359798250 is 2774.5914827579

Scales and comparisons

• 21,359,798,250 seconds is equal to 679 years, 9 weeks, 21 hours, 17 minutes, 30 seconds.
• To count from 1 to 21,359,798,250 would take you about one thousand, three hundred fifty-eight 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 21359798250 cubic inches would be around 231.2 feet tall.

Recreational maths with 21359798250

• 21359798250 backwards is 05289795312
• The number of decimal digits it has is: 11
• The sum of 21359798250's digits is 51
• More coming soon!