12508987920

Names of 12508987920

• Cardinal: 12508987920 can be written as Twelve billion, five hundred eight million, nine hundred eighty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.250898792 × 10¹⁰

Factors of 12508987920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 110

Divisors of 12508987920

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 23 24 26 30 33 39 40 44 46 48 52 53 55 60 65 66 69 78 80 88 92 104 106 110 115 120 130 132 138 143 156 159 165 169 176 184 195 208 212 220 230 240 253 260 264 265 276 286 299 312 318 330 338 345 368 390 424 429 440 460 506 507 520 528 529 530 552 572 583 598 624 636 660 676 689 690 715 759 780 795 845 848 858 880 897 920 1012 1014 1040 1058 1060 1104 1144 1166 1196 1219 1265 1272 1320 1352 1378 1380 1430 1495 1518 1560 1587 1590 1690 1716 1749 1794 1840 1859 2024 2028 2067 2116 2120 2145 2288 2332 2392 2438 2530 2535 2544 2640 2645 2704 2756 2760 2860 2915 2990 3036 3120 3174 3180 3289 3380 3432 3445 3498 3588 3657 3718 3795 3887 4048 4056 4134 4232 4240 4290 4485 4664 4784 4876 5060 5070 5290 5512 5520 5577 5720 5819 5830 5980 6072 6095 6348 6360 6578 6760 6864 6877 6890 6996 7176 7314 7436 7579 7590 7774 7935 8112 8268 8464 8580 8745 8957 8970 9295 9328 9752 9867 10120 10140 10335 10580 11024 11154 11440 11638 11660 11661 11960 12144 12190 12696 12720 13156 13409 13520 13754 13780 13992 14352 14628 14872 15158 15180 15548 15847 15870 16445 16536 17160 17457 17490 17914 17940 18285 18590 19435 19504 19734 20240 20280 20631 20670 21160 22308 22737 23276 23320 23322 23920 24380 25392 26312 26818 26871 27508 27560 27885 27984 28037 29095 29256 29744 30316 30360 31096 31694 31740 32890 33072 34320 34385 34914 34980 35828 35880 36570 37180 37895 38870 39468 40227 40560 41262 41340 42320 42757 44616 44785 45474 46552 46640 46644 47541 48760 49335 52624 53636 53742 55016 55120 55770 56074 58190 58305 58512 60632 60720 62192 63388 63480 65780 67045 68770 69828 69960 71656 71760 73140 74360 75647 75790 77740 78936 79235 80454 82524 82680 84111 85514 87285 89232 89401 89570 90948 93104 93288 95082 97520 98527 98670 103155 107272 107484 110032 111540 112148 113685 116380 116610 121264 126776 126960 128271 131560 134090 134355 137540 139656 139920 140185 143312 146280 148720 151294 151580 155480 157872 158470 160908 165048 165360 168222 171028 174317 174570 178802 179140 181896 186576 190164 197054 197340 201135 206011 206310 213785 214544 214968 223080 224296 226941 227370 232760 233220 237705 253552 256542 263120 268180 268203 268710 275080 279312 280370 292560 295581 302588 303160 308407 310960 316940 321816 330096 336444 342056 348634 349140 357604 358280 363792 364481 378235 380328 394108 394680 402270 412022 412620 420555 427570 429936 446160 447005 448592 453882 454740 465520 466440 475410 492635 513084 522951 536360 536406 537420 550160 560740 591162 605176 606320 616814 618033 633880 641355 643632 672888 684112 697268 698280 715208 716560 728962 756470 760656 788216 789360 804540 824044 825240 841110 855140 871585 894010 907764 909480 925221 932880 950820 983411 985270 1026168 1030055 1045902 1072720 1072812 1074840 1093443 1121480 1134705 1182324 1210352 1233628 1236066 1267760 1282710 1341015 1345776 1394536 1396560 1430416 1457924 1477905 1512940 1542035 1576432 1609080 1648088 1650480 1682220 1710280 1743170 1788020 1815528 1818960 1822405 1850442 1901640 1966822 1970540 2052336 2060110 2091804 2145624 2149680 2186886 2242960 2266121 2269410 2364648 2467256 2472132 2565420 2614755 2682030 2789072 2915848 2950233 2955810 3025880 3084070 3090165 3218160 3296176 3364440 3420560 3486340 3576040 3631056 3644810 3700884 3803280 3933644 3941080 4009291 4120220 4183608 4291248 4373772 4532242 4538820 4626105 4729296 4738253 4917055 4934512 4944264 5130840 5229510 5364060 5467215 5831696 5900466 5911620 6051760 6168140 6180330 6728880 6798363 6972680 7152080 7289620 7401768 7867288 7882160 8018582 8240440 8367216 8747544 9064484 9077640 9252210 9476506 9834110 9888528 10261680 10459020 10728120 10934430 11330605 11800932 11823240 12027873 12336280 12360660 13596726 13945360 14214759 14579240 14751165 14803536 15734576 16037164 16480880 17495088 18128968 18155280 18504420 18953012 19668220 20046455 20918040 21456240 21868860 22661210 23601864 23646480 23691265 24055746 24672560 24721320 27193452 28429518 29158480 29502330 32074328 33991815 36257936 37008840 37906024 39336440 40092910 41836080 43737720 45322420 47203728 47382530 48111492 49442640 52120783 54386904 56859036 59004660 60139365 64148656 67983630 71073795 74017680 75812048 78672880 80185820 87475440 90644840 94765060 96222984 104241566 108773808 113718072 118009320 120278730 135967260 142147590 156362349 160371640 181289680 189530120 192445968 208483132 227436144 236018640 240557460 260603915 271934520 284295180 312724698 320743280 379060240 416966264 481114920 521207830 543869040 568590360 625449396 781811745 833932528 962229840 1042415660 1137180720 1250898792 1563623490 2084831320 2501797584 3127246980 4169662640 6254493960 12508987920
• Sum of all divisors σ(n): 48789252288
• Sum of proper divisors (its aliquot sum) s(n): 36280264368
• 12508987920 is an abundant number, because the sum of its proper divisors (36280264368) is greater than itself. Its abundance is 23771276448

Bases of 12508987920

• Binary: 1011101001100110000000001000010000₂
• Hexadecimal: 0x2E9980210
• Base-36: 5QVJ0UO

Squares and roots of 12508987920

• 12508987920 squared (12508987920²) is 156474778782705926400
• 12508987920 cubed (12508987920³) is 1957341117577540738250009088000
• The square root of 12508987920 is 111843.5868523537
• The cube root of 12508987920 is 2321.3505265953

Scales and comparisons

• 12,508,987,920 seconds is equal to 397 years, 38 weeks, 5 days, 22 hours, 52 minutes.
• To count from 1 to 12,508,987,920 would take you about seven hundred ninety-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 12508987920 cubic inches would be around 193.4 feet tall.

Recreational maths with 12508987920

• 12508987920 backwards is 02978980521
• The number of decimal digits it has is: 11
• The sum of 12508987920's digits is 51
• More coming soon!