642430968120

Names of 642430968120

• Cardinal: 642430968120 can be written as Six hundred forty-two billion, four hundred thirty million, nine hundred sixty-eight thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.4243096812 × 10¹¹

Factors of 642430968120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 520560

Divisors of 642430968120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 127 135 162 180 216 243 254 270 324 360 381 405 486 508 540 635 648 762 810 972 1016 1080 1143 1215 1270 1524 1620 1905 1944 2286 2430 2540 3048 3240 3429 3810 4572 4860 5080 5715 6858 7620 9144 9720 10287 11430 13716 15240 17145 20574 22860 27432 30861 34290 41148 45720 51435 61722 68580 82296 102870 123444 137160 154305 205740 246888 308610 411480 520423 617220 1040846 1234440 1561269 2081692 2602115 3122538 4163384 4683807 5204230 6245076 7806345 9367614 10408460 12490152 14051421 15612690 18735228 20816920 23419035 28102842 31225380 37470456 42154263 46838070 56205684 62450760 66093721 70257105 84308526 93676140 112411368 126462789 132187442 140514210 168617052 187352280 198281163 210771315 252925578 264374884 281028420 330468605 337234104 396562326 421542630 505851156 528749768 562056840 594843489 632313945 660937210 793124652 843085260 991405815 1011702312 1189686978 1264627890 1321874420 1586249304 1686170520 1784530467 1982811630 2379373956 2529255780 2643748840 2974217445 3569060934 3965623260 4758747912 5058511560 5353591401 5948434890 7138121868 7931246520 8922652335 10707182802 11896869780 14276243736 16060774203 17845304670 21414365604 23793739560 26767957005 32121548406 35690609340 42828731208 53535914010 64243096812 71381218680 80303871015 107071828020 128486193624 160607742030 214143656040 321215484060 642430968120
• Sum of all divisors σ(n): 2182283550720
• Sum of proper divisors (its aliquot sum) s(n): 1539852582600
• 642430968120 is an abundant number, because the sum of its proper divisors (1539852582600) is greater than itself. Its abundance is 897421614480

Bases of 642430968120

• Binary: 1001010110010011110111101010000100111000₂
• Hexadecimal: 0x9593DEA138
• Base-36: 874MT7I0

Squares and roots of 642430968120

• 642430968120 squared (642430968120²) is 412717548799600456334400
• 642430968120 cubed (642430968120³) is 265142534435440665032102378459328000
• The square root of 642430968120 is 801517.9150337191
• The cube root of 642430968120 is 8628.6361451877

Scales and comparisons

• 642,430,968,120 seconds is equal to 20,427 years, 16 weeks, 3 days, 14 hours, 42 minutes.
• To count from 1 to 642,430,968,120 would take you about forty thousand, eight hundred fifty-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 642430968120 cubic inches would be around 719.1 feet tall.

Recreational maths with 642430968120

• 642430968120 backwards is 021869034246
• 642430968120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642430968120's digits is 45
• More coming soon!