640379450000

Names of 640379450000

• Cardinal: 640379450000 can be written as Six hundred forty billion, three hundred seventy-nine million, four hundred fifty thousand.

Scientific notation

• Scientific notation: 6.4037945 × 10¹¹

Factors of 640379450000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 290

Divisors of 640379450000

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 40 50 58 80 97 100 116 125 145 157 194 200 232 250 290 314 388 400 464 485 500 580 625 628 725 776 785 841 970 1000 1160 1250 1256 1450 1552 1570 1682 1940 2000 2320 2425 2500 2512 2813 2900 3125 3140 3364 3625 3880 3925 4205 4553 4850 5000 5626 5800 6250 6280 6728 7250 7760 7850 8410 9106 9700 10000 11252 11600 12125 12500 12560 13456 14065 14500 15229 15700 16820 18125 18212 19400 19625 21025 22504 22765 24250 25000 28130 29000 30458 31400 33640 36250 36424 38800 39250 42050 45008 45530 48500 50000 56260 58000 60625 60916 62800 67280 70325 72500 72848 76145 78500 81577 84100 90625 91060 97000 98125 105125 112520 113825 121250 121832 132037 140650 145000 152290 157000 163154 168200 181250 182120 194000 196250 210250 225040 227650 242500 243664 264074 281300 290000 303125 304580 314000 326308 336400 351625 362500 364240 380725 392500 407885 420500 441641 455300 485000 490625 525625 528148 562600 569125 606250 609160 652616 660185 703250 725000 761450 785000 815770 841000 883282 910600 970000 981250 1051250 1056296 1125200 1138250 1212500 1218320 1305232 1320370 1406500 1450000 1522900 1570000 1631540 1682000 1758125 1766564 1821200 1903625 1962500 2039425 2102500 2112592 2208205 2276500 2425000 2628125 2640740 2813000 2845625 3045800 3263080 3300925 3516250 3533128 3807250 3925000 4078850 4205000 4416410 4553000 4850000 5256250 5281480 5626000 5691250 6091600 6526160 6601850 7032500 7066256 7614500 7850000 8157700 8410000 8790625 8832820 9106000 9518125 10197125 10512500 10562960 11041025 11382500 12807589 13203700 14065000 14228125 15229000 16315400 16504625 17581250 17665640 19036250 20394250 21025000 22082050 22765000 25615178 26407400 28130000 28456250 30458000 32630800 33009250 35162500 35331280 38072500 40788500 42050000 44164100 45530000 47590625 50985625 51230356 52814800 55205125 56912500 64037945 66018500 70325000 76145000 81577000 82523125 88328200 95181250 101971250 102460712 110410250 113825000 128075890 132037000 140650000 152290000 163154000 165046250 176656400 190362500 203942500 204921424 220820500 227650000 254928125 256151780 264074000 276025625 320189725 330092500 380725000 407885000 412615625 441641000 509856250 512303560 552051250 640379450 660185000 761450000 815770000 825231250 883282000 1019712500 1024607120 1104102500 1280758900 1320370000 1380128125 1600948625 1650462500 2039425000 2208205000 2561517800 2760256250 3201897250 3300925000 4078850000 4416410000 5123035600 5520512500 6403794500 6601850000 8004743125 11041025000 12807589000 16009486250 22082050000 25615178000 32018972500 40023715625 64037945000 80047431250 128075890000 160094862500 320189725000 640379450000
• Sum of all divisors σ(n): 1633034088504
• Sum of proper divisors (its aliquot sum) s(n): 992654638504
• 640379450000 is an abundant number, because the sum of its proper divisors (992654638504) is greater than itself. Its abundance is 352275188504

Bases of 640379450000

• Binary: 1001010100011001100101101111001010010000₂
• Hexadecimal: 0x951996F290
• Base-36: 866PE1ZK

Squares and roots of 640379450000

• 640379450000 squared (640379450000²) is 410085839982302500000000
• 640379450000 cubed (640379450000³) is 262610544660654884683625000000000000
• The square root of 640379450000 is 800237.1211084877
• The cube root of 640379450000 is 8619.4415491559

Scales and comparisons

• 640,379,450,000 seconds is equal to 20,362 years, 4 weeks, 3 days, 4 hours, 33 minutes, 20 seconds.
• To count from 1 to 640,379,450,000 would take you about forty thousand, seven hundred twenty-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 640379450000 cubic inches would be around 718.3 feet tall.

Recreational maths with 640379450000

• 640379450000 backwards is 000054973046
• The number of decimal digits it has is: 12
• The sum of 640379450000's digits is 38
• More coming soon!