12978376740

Names of 12978376740

• Cardinal: 12978376740 can be written as Twelve billion, nine hundred seventy-eight million, three hundred seventy-six thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.297837674 × 10¹⁰

Factors of 12978376740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1344

Divisors of 12978376740

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 54 57 60 63 70 76 84 90 95 105 108 114 126 133 135 140 157 171 180 189 190 210 228 252 266 270 285 314 315 342 378 380 399 420 471 513 532 540 570 628 630 665 684 756 785 798 855 942 945 1026 1099 1140 1151 1197 1260 1330 1413 1570 1596 1710 1884 1890 1995 2052 2198 2302 2355 2394 2565 2660 2826 2983 3140 3297 3420 3453 3591 3780 3990 4239 4396 4604 4710 4788 5130 5495 5652 5755 5966 5985 6594 6906 7065 7182 7980 8057 8478 8949 9420 9891 10260 10359 10990 11510 11932 11970 13188 13812 14130 14364 14915 16114 16485 16956 17265 17898 17955 19782 20718 20881 21195 21869 21980 23020 23940 24171 26847 28260 29673 29830 31077 32228 32970 34530 35796 35910 39564 40285 41436 41762 42390 43738 44745 48342 49455 51795 53694 59346 59660 62154 62643 65607 65940 69060 71820 72513 80541 80570 83524 84780 87476 89490 96684 98910 103590 104405 107388 109345 118692 120855 124308 125286 131214 134235 145026 148365 153083 155385 161082 161140 178980 180707 187929 196821 197820 207180 208810 217539 218690 241710 250572 262428 268470 290052 296730 306166 310770 313215 322164 328035 361414 362565 375858 393642 402705 417620 435078 437380 459249 483420 536940 542121 563787 590463 593460 612332 621540 626430 656070 722828 725130 751716 765415 787284 805410 870156 903535 918498 939645 984105 1084242 1087695 1127574 1180926 1252860 1264949 1312140 1377747 1450260 1530830 1610820 1626363 1807070 1836996 1879290 1968210 2168484 2175390 2255148 2296245 2361852 2529898 2710605 2755494 2818935 2952315 3061660 3252726 3433433 3614140 3758580 3794847 3936420 4133241 4350780 4592490 4879089 5059796 5421210 5510988 5637870 5904630 6324745 6505452 6866866 6888735 7589694 8131815 8266482 9184980 9758178 10300299 10842420 11275740 11384541 11809260 12649490 13733732 13777470 15179388 16263630 16532964 17167165 18974235 19516356 20600598 20666205 22769082 24034031 24395445 25298980 27554940 30900897 32527260 34153623 34334330 37948470 41201196 41332410 45538164 48068062 48790890 51501495 56922705 61801794 68307246 68668660 72102093 75896940 82664820 92702691 96136124 97581780 103002990 113845410 120170155 123603588 136614492 144204186 154504485 170768115 185405382 206005980 216306279 227690820 240340310 288408372 309008970 341536230 360510465 370810764 432612558 463513455 480680620 618017940 648918837 683072460 721020930 865225116 927026910 1081531395 1297837674 1442041860 1854053820 2163062790 2595675348 3244594185 4326125580 6489188370 12978376740
• Sum of all divisors σ(n): 48925900800
• Sum of proper divisors (its aliquot sum) s(n): 35947524060
• 12978376740 is an abundant number, because the sum of its proper divisors (35947524060) is greater than itself. Its abundance is 22969147320

Bases of 12978376740

• Binary: 1100000101100100100101000000100100₂
• Hexadecimal: 0x305925024
• Base-36: 5YMZNL0

Squares and roots of 12978376740

• 12978376740 squared (12978376740²) is 168438262805373027600
• 12978376740 cubed (12978376740³) is 2186055232119260448427218024000
• The square root of 12978376740 is 113922.6787781957
• The cube root of 12978376740 is 2350.0302842031

Scales and comparisons

• 12,978,376,740 seconds is equal to 412 years, 34 weeks, 6 days, 16 hours, 39 minutes.
• To count from 1 to 12,978,376,740 would take you about eight hundred twenty-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 12978376740 cubic inches would be around 195.8 feet tall.

Recreational maths with 12978376740

• 12978376740 backwards is 04767387921
• 12978376740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12978376740's digits is 54
• More coming soon!