2120872400

Names of 2120872400

• Cardinal: 2120872400 can be written as Two billion, one hundred twenty million, eight hundred seventy-two thousand, four hundred.

Scientific notation

• Scientific notation: 2.1208724 × 10⁹

Factors of 2120872400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5198

Divisors of 2120872400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 34 40 50 61 68 80 85 100 122 136 170 200 244 272 305 340 400 425 488 610 680 850 976 1037 1220 1360 1525 1700 2074 2440 3050 3400 4148 4880 5113 5185 6100 6800 8296 10226 10370 12200 16592 20452 20740 24400 25565 25925 40904 41480 51130 51850 81808 82960 86921 102260 103700 127825 173842 204520 207400 255650 311893 347684 409040 414800 434605 511300 623786 695368 869210 1022600 1247572 1390736 1559465 1738420 2045200 2173025 2495144 3118930 3476840 4346050 4990288 5302181 6237860 6953680 7797325 8692100 10604362 12475720 15594650 17384200 21208724 24951440 26510905 31189300 34768400 42417448 53021810 62378600 84834896 106043620 124757200 132554525 212087240 265109050 424174480 530218100 1060436200 2120872400
• Sum of all divisors σ(n): 5484642264
• Sum of proper divisors (its aliquot sum) s(n): 3363769864
• 2120872400 is an abundant number, because the sum of its proper divisors (3363769864) is greater than itself. Its abundance is 1242897464

Bases of 2120872400

• Binary: 1111110011010011111000111010000₂
• Hexadecimal: 0x7E69F1D0
• Base-36: Z2PNM8

Squares and roots of 2120872400

• 2120872400 squared (2120872400²) is 4498099737081760000
• 2120872400 cubed (2120872400³) is 9539895584823961327424000000
• The square root of 2120872400 is 46052.9304170757
• The cube root of 2120872400 is 1284.8078462291

Scales and comparisons

• 2,120,872,400 seconds is equal to 67 years, 22 weeks, 5 days, 3 hours, 13 minutes, 20 seconds.
• To count from 1 to 2,120,872,400 would take you about one hundred thirty-four 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 2120872400 cubic inches would be around 107.1 feet tall.

Recreational maths with 2120872400

• 2120872400 backwards is 0042780212
• The number of decimal digits it has is: 10
• The sum of 2120872400's digits is 26
• More coming soon!