12712979520

Names of 12712979520

• Cardinal: 12712979520 can be written as Twelve billion, seven hundred twelve million, nine hundred seventy-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.271297952 × 10¹⁰

Factors of 12712979520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 997

Divisors of 12712979520

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 32 36 40 45 46 48 60 64 69 72 80 90 92 96 115 120 138 144 160 180 184 192 207 230 240 276 281 288 320 345 360 368 414 460 480 552 562 576 683 690 720 736 828 843 920 960 1035 1104 1124 1366 1380 1405 1440 1472 1656 1686 1840 2049 2070 2208 2248 2529 2732 2760 2810 2880 3312 3372 3415 3680 4098 4140 4215 4416 4496 5058 5464 5520 5620 6147 6463 6624 6744 6830 7360 8196 8280 8430 8992 10116 10245 10928 11040 11240 12294 12645 12926 13248 13488 13660 15709 16392 16560 16860 17984 19389 20232 20490 21856 22080 22480 24588 25290 25852 26976 27320 30735 31418 32315 32784 33120 33720 38778 40464 40980 43712 44960 47127 49176 50580 51704 53952 54640 58167 61470 62836 64630 65568 66240 67440 77556 78545 80928 81960 89920 94254 96945 98352 101160 103408 109280 116334 122940 125672 129260 131136 134880 141381 155112 157090 161856 163920 188508 191923 193890 196704 202320 206816 218560 232668 235635 245880 251344 258520 269760 282762 290835 310224 314180 327840 377016 383846 387780 393408 404640 413632 465336 471270 491760 502688 517040 565524 575769 581670 620448 628360 655680 706905 754032 767692 775560 809280 930672 942540 959615 983520 1005376 1034080 1131048 1151538 1163340 1240896 1256720 1413810 1508064 1535384 1551120 1727307 1861344 1885080 1919230 1967040 2068160 2262096 2303076 2326680 2513440 2827620 2878845 3016128 3070768 3102240 3454614 3722688 3770160 3838460 4414229 4524192 4606152 4653360 5026880 5655240 5757690 6141536 6204480 6909228 7540320 7676920 8636535 8828458 9048384 9212304 9306720 11310480 11515380 12283072 13242687 13818456 15080640 15353840 17273070 17656916 18424608 18613440 22071145 22620960 23030760 26485374 27636912 30707680 34546140 35313832 36849216 39728061 44142290 45241920 46061520 52970748 55273824 61415360 66213435 69092280 70627664 79456122 88284580 92123040 105941496 110547648 132426870 138184560 141255328 158912244 176569160 184246080 198640305 211882992 264853740 276369120 282510656 317824488 353138320 397280610 423765984 529707480 552738240 635648976 706276640 794561220 847531968 1059414960 1271297952 1412553280 1589122440 2118829920 2542595904 3178244880 4237659840 6356489760 12712979520
• Sum of all divisors σ(n): 45857964672
• Sum of proper divisors (its aliquot sum) s(n): 33144985152
• 12712979520 is an abundant number, because the sum of its proper divisors (33144985152) is greater than itself. Its abundance is 20432005632

Bases of 12712979520

• Binary: 1011110101110000001010110001000000₂
• Hexadecimal: 0x2F5C0AC40
• Base-36: 5U8Z9S0

Squares and roots of 12712979520

• 12712979520 squared (12712979520²) is 161619848275939430400
• 12712979520 cubed (12712979520³) is 2054669821157525287435665408000
• The square root of 12712979520 is 112751.8492974727
• The cube root of 12712979520 is 2333.9011022873

Scales and comparisons

• 12,712,979,520 seconds is equal to 404 years, 12 weeks, 23 hours, 12 minutes.
• To count from 1 to 12,712,979,520 would take you about eight hundred 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 12712979520 cubic inches would be around 194.5 feet tall.

Recreational maths with 12712979520

• 12712979520 backwards is 02597921721
• 12712979520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12712979520's digits is 45
• More coming soon!