12400862840

Names of 12400862840

• Cardinal: 12400862840 can be written as Twelve billion, four hundred million, eight hundred sixty-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.240086284 × 10¹⁰

Factors of 12400862840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 645

Divisors of 12400862840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 17 20 29 34 40 58 68 71 85 116 136 142 145 170 232 284 289 290 340 355 493 521 568 578 580 680 710 986 1042 1156 1160 1207 1420 1445 1972 2059 2084 2312 2414 2465 2605 2840 2890 3944 4118 4168 4828 4930 5210 5780 6035 8236 8381 8857 9656 9860 10295 10420 11560 12070 15109 16472 16762 17714 19720 20519 20590 20840 24140 30218 33524 35003 35428 36991 41038 41180 41905 44285 48280 60436 67048 70006 70856 73982 75545 82076 82360 83810 88570 102595 120872 140012 147964 150569 151090 164152 167620 175015 177140 184955 205190 256853 280024 295928 301138 302180 335240 350030 354280 369910 410380 513706 595051 602276 604360 628847 700060 739820 752845 820760 1027412 1072739 1190102 1204552 1257694 1284265 1400120 1479640 1505690 2054824 2145478 2380204 2515388 2568530 2975255 3011380 3144235 4290956 4366501 4760408 5030776 5137060 5363695 5950510 6022760 6288470 8581912 8733002 10274120 10690399 10727390 11901020 12576940 17466004 18236563 21380798 21454780 21832505 23802040 25153880 34932008 36473126 42761596 42909560 43665010 53451995 72946252 85523192 87330020 91182815 106903990 145892504 174660040 182365630 213807980 310021571 364731260 427615960 620043142 729462520 1240086284 1550107855 2480172568 3100215710 6200431420 12400862840
• Sum of all divisors σ(n): 31153377600
• Sum of proper divisors (its aliquot sum) s(n): 18752514760
• 12400862840 is an abundant number, because the sum of its proper divisors (18752514760) is greater than itself. Its abundance is 6351651920

Bases of 12400862840

• Binary: 1011100011001001100010011001111000₂
• Hexadecimal: 0x2E3262678
• Base-36: 5P35J08

Squares and roots of 12400862840

• 12400862840 squared (12400862840²) is 153781399176492865600
• 12400862840 cubed (12400862840³) is 1907022038530976978544154304000
• The square root of 12400862840 is 111359.1614551761
• The cube root of 12400862840 is 2314.6427393027

Scales and comparisons

• 12,400,862,840 seconds is equal to 394 years, 16 weeks, 12 hours, 7 minutes, 20 seconds.
• To count from 1 to 12,400,862,840 would take you about seven hundred eighty-eight 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 12400862840 cubic inches would be around 192.9 feet tall.

Recreational maths with 12400862840

• 12400862840 backwards is 04826800421
• The number of decimal digits it has is: 11
• The sum of 12400862840's digits is 35
• More coming soon!