21825242400

Names of 21825242400

• Cardinal: 21825242400 can be written as Twenty-one billion, eight hundred twenty-five million, two hundred forty-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.18252424 × 10¹⁰

Factors of 21825242400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 699550

Divisors of 21825242400

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 65 75 78 80 96 100 104 120 130 150 156 160 195 200 208 240 260 300 312 325 390 400 416 480 520 600 624 650 780 800 975 1040 1200 1248 1300 1560 1950 2080 2400 2600 3120 3900 5200 6240 7800 10400 15600 31200 699527 1399054 2098581 2798108 3497635 4197162 5596216 6995270 8394324 9093851 10492905 11192432 13990540 16788648 17488175 18187702 20985810 22384864 27281553 27981080 33577296 34976350 36375404 41971620 45469255 52464525 54563106 55962160 67154592 69952700 72750808 83943240 90938510 104929050 109126212 111924320 136407765 139905400 145501616 167886480 181877020 209858100 218252424 227346275 272815530 279810800 291003232 335772960 363754040 419716200 436504848 454692550 545631060 559621600 682038825 727508080 839432400 873009696 909385100 1091262120 1364077650 1455016160 1678864800 1818770200 2182524240 2728155300 3637540400 4365048480 5456310600 7275080800 10912621200 21825242400
• Sum of all divisors σ(n): 76505978304
• Sum of proper divisors (its aliquot sum) s(n): 54680735904
• 21825242400 is an abundant number, because the sum of its proper divisors (54680735904) is greater than itself. Its abundance is 32855493504

Bases of 21825242400

• Binary: 10100010100111000101100010100100000₂
• Hexadecimal: 0x514E2C520
• Base-36: A0Y6OTC

Squares and roots of 21825242400

• 21825242400 squared (21825242400²) is 476341205818757760000
• 21825242400 cubed (21825242400³) is 10396262282102678578881024000000
• The square root of 21825242400 is 147733.6874243651
• The cube root of 21825242400 is 2794.6002395909

Scales and comparisons

• 21,825,242,400 seconds is equal to 693 years, 50 weeks, 4 days, 23 hours, 20 minutes.
• To count from 1 to 21,825,242,400 would take you about one thousand, three hundred eighty-seven 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 21825242400 cubic inches would be around 232.9 feet tall.

Recreational maths with 21825242400

• 21825242400 backwards is 00424252812
• 21825242400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21825242400's digits is 30
• More coming soon!