1989505639680

Names of 1989505639680

• Cardinal: 1989505639680 can be written as One trillion, nine hundred eighty-nine billion, five hundred five million, six hundred thirty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.98950563968 × 10¹²

Factors of 1989505639680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 98947

Divisors of 1989505639680

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 32 39 40 48 52 60 62 64 65 78 80 93 96 104 120 124 128 130 155 156 160 169 186 192 195 208 240 248 256 260 310 312 320 338 372 384 390 403 416 465 480 496 507 520 620 624 640 676 744 768 780 806 832 845 930 960 992 1014 1040 1209 1240 1248 1280 1352 1488 1560 1612 1664 1690 1860 1920 1984 2015 2028 2080 2418 2480 2496 2535 2704 2976 3120 3224 3328 3380 3720 3840 3968 4030 4056 4160 4836 4960 4992 5070 5239 5408 5952 6045 6240 6448 6760 7440 7936 8060 8112 8320 9672 9920 9984 10140 10478 10816 11904 12090 12480 12896 13520 14880 15717 16120 16224 16640 19344 19840 20280 20956 21632 23808 24180 24960 25792 26195 27040 29760 31434 32240 32448 38688 39680 40560 41912 43264 48360 49920 51584 52390 54080 59520 62868 64480 64896 77376 78585 81120 83824 96720 98893 103168 104780 108160 119040 125736 128960 129792 154752 157170 162240 167648 193440 197786 209560 216320 251472 257920 296679 309504 314340 324480 335296 386880 395572 419120 494465 502944 515840 593358 628680 648960 670592 773760 791144 838240 988930 1005888 1186716 1257360 1285609 1341184 1483395 1547520 1582288 1676480 1977860 2011776 2373432 2514720 2571218 2966790 3065683 3164576 3352960 3856827 3955720 4023552 4746864 5029440 5142436 5933580 6131366 6329152 6428045 6705920 7713654 7911440 9197049 9493728 10058880 10284872 11867160 12262732 12658304 12856090 15328415 15427308 15822880 16712917 18394098 18987456 19284135 20117760 20569744 23734320 24525464 25316608 25712180 30656830 30854616 31645760 33425834 36788196 37974912 38568270 39853879 41139488 45985245 47468640 49050928 50138751 51424360 61313660 61709232 63291520 66851668 73576392 75949824 77136540 79707758 82278976 83564585 91970490 94937280 98101856 100277502 102848720 119561637 122627320 123418464 126583040 133703336 147152784 154273080 159415516 164557952 167129170 183940980 189874560 196203712 199269395 200555004 205697440 239123274 245254640 246836928 250693755 267406672 294305568 308546160 318831032 329115904 334258340 367881960 379749120 392407424 398538790 401110008 411394880 478246548 490509280 493673856 501387510 518100427 534813344 588611136 597808185 617092320 637662064 668516680 735763920 784814848 797077580 802220016 822789760 956493096 981018560 987347712 1002775020 1036200854 1069626688 1177222272 1195616370 1234184640 1275324128 1337033360 1471527840 1554301281 1594155160 1604440032 1645579520 1912986192 1962037120 2005550040 2072401708 2139253376 2354444544 2391232740 2468369280 2550648256 2590502135 2674066720 2943055680 3108602562 3188310320 3208880064 3825972384 3924074240 4011100080 4144803416 4278506752 4782465480 4936738560 5101296512 5181004270 5348133440 5886111360 6217205124 6376620640 6417760128 7651944768 7771506405 8022200160 8289606832 9564930960 10202593024 10362008540 10696266880 11772222720 12434410248 12753241280 12835520256 15303889536 15543012810 16044400320 16579213664 19129861920 20724017080 21392533760 24868820496 25506482560 30607779072 31086025620 32088800640 33158427328 38259723840 41448034160 49737640992 51012965120 62172051240 64177601280 66316854656 76519447680 82896068320 99475281984 124344102480 132633709312 153038895360 165792136640 198950563968 248688204960 331584273280 397901127936 497376409920 663168546560 994752819840 1989505639680
• Sum of all divisors σ(n): 7102367709696
• Sum of proper divisors (its aliquot sum) s(n): 5112862070016
• 1989505639680 is an abundant number, because the sum of its proper divisors (5112862070016) is greater than itself. Its abundance is 3123356430336

Bases of 1989505639680

• Binary: 11100111100110111110001101110010100000000₂
• Hexadecimal: 0x1CF37C6E500
• Base-36: PDYSAGAO

Squares and roots of 1989505639680

• 1989505639680 squared (1989505639680²) is 3958132690318525990502400
• 1989505639680 cubed (1989505639680³) is 7874727309990478393689182916575232000
• The square root of 1989505639680 is 1410498.3657133389
• The cube root of 1989505639680 is 12577.1350667641

Scales and comparisons

• 1,989,505,639,680 seconds is equal to 63,260 years, 6 weeks, 3 days, 15 hours, 28 minutes.
• To count from 1 to 1,989,505,639,680 would take you about one hundred fifty-eight thousand, one hundred fifty 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 1989505639680 cubic inches would be around 1048.1 feet tall.

Recreational maths with 1989505639680

• 1989505639680 backwards is 0869365059891
• The number of decimal digits it has is: 13
• The sum of 1989505639680's digits is 69
• More coming soon!