642500945132800

Names of 642500945132800

• Cardinal: 642500945132800 can be written as Six hundred forty-two trillion, five hundred billion, nine hundred forty-five million, one hundred thirty-two thousand, eight hundred.

Scientific notation

• Scientific notation: 6.425009451328 × 10¹⁴

Factors of 642500945132800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 87897

Divisors of 642500945132800

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 128 130 160 200 208 256 260 320 325 400 416 520 640 650 800 832 1040 1280 1300 1600 1664 2080 2600 3200 3328 4160 5200 6400 8320 10400 16640 20800 41600 83200 87877 175754 351508 439385 703016 878770 1142401 1406032 1757540 2196925 2284802 2812064 3515080 4393850 4569604 5624128 5712005 7030160 8787700 9139208 11248256 11424010 14060320 17575400 18278416 22496512 22848020 28120640 28560025 35150800 36556832 45696040 56241280 57120050 70301600 73113664 91392080 112482560 114240100 140603200 146227328 182784160 228480200 281206400 292454656 365568320 456960400 562412800 731136640 913920800 1462273280 1827841600 3655683200 7311366400 7722367129 15444734258 30889468516 38611835645 61778937032 77223671290 100390772677 123557874064 154447342580 193059178225 200781545354 247115748128 308894685160 386118356450 401563090708 494231496256 501953863385 617789370320 772236712900 803126181416 988462992512 1003907726770 1235578740640 1544473425800 1606252362832 1976925985024 2007815453540 2471157481280 2509769316925 3088946851600 3212504725664 4015630907080 4942314962560 5019538633850 6177893703200 6425009451328 8031261814160 9884629925120 10039077267700 12355787406400 12850018902656 16062523628320 20078154535400 24711574812800 25700037805312 32125047256640 40156309070800 49423149625600 64250094513280 80312618141600 128500189026560 160625236283200 321250472566400 642500945132800
• Sum of all divisors σ(n): 1712639736722418
• Sum of proper divisors (its aliquot sum) s(n): 1070138791589618
• 642500945132800 is an abundant number, because the sum of its proper divisors (1070138791589618) is greater than itself. Its abundance is 427637846456818

Bases of 642500945132800

• Binary: 10010010000101100111101000100110100011110100000000₂
• Hexadecimal: 0x24859E89A3D00
• Base-36: 6BQWUXUKN4

Squares and roots of 642500945132800

• 642500945132800 squared (642500945132800²) is 412807464496541276009635840000
• 642500945132800 cubed (642500945132800³) is 265229186096902550352837537759948439552000000
• The square root of 642500945132800 is 25347602.3547159191
• The cube root of 642500945132800 is 86289.4942619357

Scales and comparisons

• 642,500,945,132,800 seconds is equal to 20,429,542 years, 34 weeks, 5 days, 15 hours, 6 minutes, 40 seconds.
• To count from 1 to 642,500,945,132,800 would take you about fifty-one million, seventy-three thousand, eight hundred fifty-six 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 642500945132800 cubic inches would be around 7190.8 feet tall.

Recreational maths with 642500945132800

• 642500945132800 backwards is 008231549005246
• The number of decimal digits it has is: 15
• The sum of 642500945132800's digits is 49
• More coming soon!