1642945500

Names of 1642945500

• Cardinal: 1642945500 can be written as One billion, six hundred forty-two million, nine hundred forty-five thousand, five hundred.

Scientific notation

• Scientific notation: 1.6429455 × 10⁹

Factors of 1642945500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7468

Divisors of 1642945500

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 25 28 30 35 36 42 45 49 50 60 63 70 75 84 90 98 100 105 125 126 140 147 150 175 180 196 210 225 245 250 252 294 300 315 350 375 420 441 450 490 500 525 588 630 700 735 750 875 882 900 980 1050 1125 1225 1260 1470 1500 1575 1750 1764 2100 2205 2250 2450 2625 2940 3150 3500 3675 4410 4500 4900 5250 6125 6300 7350 7451 7875 8820 10500 11025 12250 14700 14902 15750 18375 22050 22353 24500 29804 31500 36750 37255 44100 44706 52157 55125 67059 73500 74510 89412 104314 110250 111765 134118 149020 156471 186275 208628 220500 223530 260785 268236 312942 335295 365099 372550 447060 469413 521570 558825 625884 670590 730198 745100 782355 931375 938826 1043140 1095297 1117650 1303925 1341180 1460396 1564710 1676475 1825495 1862750 1877652 2190594 2235300 2347065 2607850 2794125 3129420 3285891 3352950 3650990 3725500 3911775 4381188 4694130 5215700 5476485 5588250 6519625 6571782 6705900 7301980 7823550 8382375 9127475 9388260 10952970 11176500 11735325 13039250 13143564 15647100 16429455 16764750 18254950 19558875 21905940 23470650 26078500 27382425 32858910 33529500 36509900 39117750 45637375 46941300 54764850 58676625 65717820 78235500 82147275 91274750 109529700 117353250 136912125 164294550 182549500 234706500 273824250 328589100 410736375 547648500 821472750 1642945500
• Sum of all divisors σ(n): 6029949744
• Sum of proper divisors (its aliquot sum) s(n): 4387004244
• 1642945500 is an abundant number, because the sum of its proper divisors (4387004244) is greater than itself. Its abundance is 2744058744

Bases of 1642945500

• Binary: 1100001111011010101101111011100₂
• Hexadecimal: 0x61ED5BDC
• Base-36: R660V0

Squares and roots of 1642945500

• 1642945500 squared (1642945500²) is 2699269915970250000
• 1642945500 cubed (1642945500³) is 4434753361728700371375000000
• The square root of 1642945500 is 40533.2641172655
• The cube root of 1642945500 is 1179.9792919855

Scales and comparisons

• 1,642,945,500 seconds is equal to 52 years, 12 weeks, 3 days, 13 hours, 45 minutes.
• To count from 1 to 1,642,945,500 would take you about one hundred 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 1642945500 cubic inches would be around 98.3 feet tall.

Recreational maths with 1642945500

• 1642945500 backwards is 0055492461
• 1642945500 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1642945500's digits is 36
• More coming soon!