12705361920

Names of 12705361920

• Cardinal: 12705361920 can be written as Twelve billion, seven hundred five million, three hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.270536192 × 10¹⁰

Factors of 12705361920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 70

Divisors of 12705361920

• Number of divisors d(n): 728
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 32 36 37 40 45 46 48 54 60 64 69 72 74 80 81 90 92 96 108 111 115 120 128 135 138 144 148 160 162 180 184 185 192 207 216 222 230 240 243 256 270 276 288 296 320 324 333 345 360 368 370 384 405 414 432 444 460 480 486 512 540 552 555 576 592 621 640 648 666 690 720 729 736 740 768 810 828 851 864 888 920 960 972 999 1024 1035 1080 1104 1110 1152 1184 1215 1242 1280 1296 1332 1380 1440 1458 1472 1480 1536 1620 1656 1665 1702 1728 1776 1840 1863 1920 1944 1998 2048 2070 2160 2208 2220 2304 2368 2430 2484 2553 2560 2592 2664 2760 2880 2916 2944 2960 2997 3072 3105 3240 3312 3330 3404 3456 3552 3645 3680 3726 3840 3888 3996 4096 4140 4255 4320 4416 4440 4608 4736 4860 4968 4995 5106 5120 5184 5328 5520 5589 5760 5832 5888 5920 5994 6144 6210 6480 6624 6660 6808 6912 7104 7290 7360 7452 7659 7680 7776 7992 8280 8510 8640 8832 8880 8991 9216 9315 9472 9720 9936 9990 10212 10240 10368 10656 11040 11178 11520 11664 11776 11840 11988 12288 12420 12765 12960 13248 13320 13616 13824 14208 14580 14720 14904 14985 15318 15360 15552 15984 16560 16767 17020 17280 17664 17760 17982 18432 18630 18944 19440 19872 19980 20424 20480 20736 21312 22080 22356 22977 23040 23328 23552 23680 23976 24840 25530 25920 26496 26640 26973 27232 27648 27945 28416 29160 29440 29808 29970 30636 30720 31104 31968 33120 33534 34040 34560 35328 35520 35964 36864 37260 37888 38295 38880 39744 39960 40848 41472 42624 44160 44712 44955 45954 46080 46656 47104 47360 47952 49680 51060 51840 52992 53280 53946 54464 55296 55890 56832 58320 58880 59616 59940 61272 61440 62208 63936 66240 67068 68080 68931 69120 70656 71040 71928 74520 75776 76590 77760 79488 79920 81696 82944 83835 85248 88320 89424 89910 91908 92160 93312 94208 94720 95904 99360 102120 103680 105984 106560 107892 108928 110592 111780 113664 114885 116640 117760 119232 119880 122544 124416 127872 132480 134136 134865 136160 137862 138240 141312 142080 143856 149040 151552 153180 155520 158976 159840 163392 165888 167670 170496 176640 178848 179820 183816 184320 186624 189440 191808 198720 204240 206793 207360 211968 213120 215784 217856 223560 227328 229770 233280 235520 238464 239760 245088 248832 255744 264960 268272 269730 272320 275724 276480 282624 284160 287712 298080 306360 311040 317952 319680 326784 331776 335340 340992 344655 353280 357696 359640 367632 373248 378880 383616 397440 408480 413586 414720 423936 426240 431568 435712 447120 454656 459540 466560 471040 476928 479520 490176 497664 511488 529920 536544 539460 544640 551448 552960 568320 575424 596160 612720 620379 622080 635904 639360 653568 670680 681984 689310 706560 715392 719280 735264 746496 757760 767232 794880 816960 827172 829440 847872 852480 863136 871424 894240 919080 933120 953856 959040 980352 995328 1022976 1033965 1059840 1073088 1078920 1089280 1102896 1136640 1150848 1192320 1225440 1240758 1244160 1271808 1278720 1307136 1341360 1363968 1378620 1413120 1430784 1438560 1470528 1492992 1534464 1589760 1633920 1654344 1658880 1704960 1726272 1742848 1788480 1838160 1866240 1907712 1918080 1960704 2045952 2067930 2119680 2146176 2157840 2178560 2205792 2273280 2301696 2384640 2450880 2481516 2488320 2543616 2557440 2614272 2682720 2757240 2861568 2877120 2941056 2985984 3068928 3101895 3179520 3267840 3308688 3409920 3452544 3485696 3576960 3676320 3732480 3815424 3836160 3921408 4091904 4135860 4239360 4292352 4315680 4357120 4411584 4603392 4769280 4901760 4963032 4976640 5114880 5228544 5365440 5514480 5723136 5754240 5882112 6137856 6203790 6359040 6535680 6617376 6819840 6905088 7153920 7352640 7464960 7630848 7672320 7842816 8271720 8584704 8631360 8714240 8823168 9206784 9538560 9803520 9926064 10229760 10457088 10730880 11028960 11446272 11508480 11764224 12275712 12407580 12718080 13071360 13234752 13810176 14307840 14705280 14929920 15344640 15685632 16543440 17169408 17262720 17428480 17646336 18413568 19077120 19607040 19852128 20459520 21461760 22057920 22892544 23016960 23528448 24815160 26142720 26469504 27620352 28615680 29410560 30689280 31371264 33086880 34338816 34525440 35292672 36827136 38154240 39214080 39704256 42923520 44115840 46033920 47056896 49630320 52285440 52939008 55240704 57231360 58821120 61378560 66173760 68677632 69050880 70585344 78428160 79408512 85847040 88231680 92067840 94113792 99260640 105878016 110481408 114462720 117642240 132347520 138101760 141170688 156856320 158817024 171694080 176463360 184135680 198521280 211756032 235284480 264695040 276203520 282341376 317634048 343388160 352926720 397042560 423512064 470568960 529390080 552407040 635268096 705853440 794085120 847024128 1058780160 1270536192 1411706880 1588170240 2117560320 2541072384 3176340480 4235120640 6352680960 12705361920
• Sum of all divisors σ(n): 48989519136
• Sum of proper divisors (its aliquot sum) s(n): 36284157216
• 12705361920 is an abundant number, because the sum of its proper divisors (36284157216) is greater than itself. Its abundance is 23578795296

Bases of 12705361920

• Binary: 1011110101010011000111000000000000₂
• Hexadecimal: 0x2F54C7000
• Base-36: 5U4G000

Squares and roots of 12705361920

• 12705361920 squared (12705361920²) is 161426221518186086400
• 12705361920 cubed (12705361920³) is 2050978567766646089620389888000
• The square root of 12705361920 is 112718.0638584605
• The cube root of 12705361920 is 2333.4348523631

Scales and comparisons

• 12,705,361,920 seconds is equal to 403 years, 51 weeks, 3 days, 19 hours, 12 minutes.
• To count from 1 to 12,705,361,920 would take you about eight hundred seven 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 12705361920 cubic inches would be around 194.5 feet tall.

Recreational maths with 12705361920

• 12705361920 backwards is 02916350721
• 12705361920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12705361920's digits is 36
• More coming soon!