8420254830

Names of 8420254830

• Cardinal: 8420254830 can be written as Eight billion, four hundred twenty million, two hundred fifty-four thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 8.42025483 × 10⁹

Factors of 8420254830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3949

Divisors of 8420254830

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 90 117 130 135 195 234 270 351 390 585 702 757 1170 1514 1755 2271 3169 3510 3785 4542 6338 6813 7570 9507 9841 11355 13626 15845 19014 19682 20439 22710 28521 29523 31690 34065 40878 41197 47535 49205 57042 59046 68130 82394 85563 88569 95070 98410 102195 123591 142605 147615 171126 177138 204390 205985 247182 265707 285210 295230 370773 411970 427815 442845 531414 617955 741546 855630 885690 1112319 1235910 1328535 1853865 2224638 2398933 2657070 3707730 4797866 5561595 7196799 11123190 11994665 14393598 21590397 23989330 31186129 35983995 43180794 62372258 64771191 71967990 93558387 107951985 129542382 155930645 187116774 215903970 280675161 311861290 323855955 467791935 561350322 647711910 842025483 935583870 1403375805 1684050966 2806751610 4210127415 8420254830
• Sum of all divisors σ(n): 24220828800
• Sum of proper divisors (its aliquot sum) s(n): 15800573970
• 8420254830 is an abundant number, because the sum of its proper divisors (15800573970) is greater than itself. Its abundance is 7380319140

Bases of 8420254830

• Binary: 111110101111000101110010001101110₂
• Hexadecimal: 0x1F5E2E46E
• Base-36: 3V97A7I

Squares and roots of 8420254830

• 8420254830 squared (8420254830²) is 70900691402138328900
• 8420254830 cubed (8420254830³) is 597001889229194736248353587000
• The square root of 8420254830 is 91761.9465246897
• The cube root of 8420254830 is 2034.4252858943

Scales and comparisons

• 8,420,254,830 seconds is equal to 267 years, 38 weeks, 2 days, 15 hours, 40 minutes, 30 seconds.
• To count from 1 to 8,420,254,830 would take you about five hundred thirty-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 8420254830 cubic inches would be around 169.5 feet tall.

Recreational maths with 8420254830

• 8420254830 backwards is 0384520248
• The number of decimal digits it has is: 10
• The sum of 8420254830's digits is 36
• More coming soon!