389943493940

Names of 389943493940

• Cardinal: 389943493940 can be written as Three hundred eighty-nine billion, nine hundred forty-three million, four hundred ninety-three thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.8994349394 × 10¹¹

Factors of 389943493940

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2025

Divisors of 389943493940

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 91 97 110 113 130 140 143 154 182 194 220 226 260 286 308 364 385 388 452 455 485 565 572 679 715 770 791 910 970 1001 1067 1130 1243 1261 1358 1430 1469 1540 1582 1777 1820 1940 2002 2134 2260 2486 2522 2716 2860 2938 3164 3395 3554 3955 4004 4268 4972 5005 5044 5335 5876 6215 6305 6790 7108 7345 7469 7910 8701 8827 8885 10010 10283 10670 10961 12430 12439 12610 13580 13871 14690 14938 15820 16159 17402 17654 17770 19547 20020 20566 21340 21922 23101 24860 24878 25220 27742 29380 29876 32318 34804 35308 35540 37345 39094 41132 43505 43844 44135 46202 49756 51415 54805 55484 62195 64636 69355 74690 76727 78188 80795 87010 88270 92404 97097 97735 102830 109610 113113 115505 120571 124390 136829 138710 142493 149380 153454 161590 161707 172369 174020 176540 194194 195470 200801 205660 219220 226226 231010 241142 248780 254111 273658 277420 284986 306908 323180 323414 344738 383635 388388 390940 401602 452452 462020 482284 485485 508222 547316 565565 569972 602855 646828 684145 689476 712465 767270 803204 808535 843997 861845 970970 997451 1004005 1016444 1131130 1205710 1206583 1270555 1368290 1405607 1424930 1534540 1567423 1617070 1687994 1723690 1778777 1896059 1941940 1994902 2008010 2208811 2240797 2262260 2411420 2413166 2541110 2610413 2736580 2811214 2849860 3134846 3234140 3375988 3447380 3557554 3792118 3989804 4016020 4219985 4417622 4481594 4826332 4987255 5082220 5220826 5622428 6032915 6269692 7028035 7115108 7584236 7837115 8439970 8835244 8893885 8963188 9480295 9974510 10441652 10971961 11044055 11203985 12065830 13052065 13272413 14056070 15461677 15674230 15685579 16879940 17787770 18272891 18960590 19477697 19949020 21943922 22088110 22407970 24131660 24648767 26104130 26544826 28112140 28714543 30923354 31348460 31371158 35575540 36545782 37921180 38955394 43887844 44176220 44815940 49297534 52208260 53089652 54859805 57429086 61846708 62742316 66362065 73091564 77308385 77910788 78427895 91364455 97388485 98595068 109719610 114858172 123243835 132724130 136343879 143572715 154616770 156855790 172541369 182728910 194776970 201001801 214254667 219439220 246487670 253210061 265448260 272687758 287145430 309233540 313711580 345082738 365457820 389553940 402003602 428509334 492975340 506420122 545375516 574290860 681719395 690165476 804007204 857018668 862706845 1005009005 1012840244 1071273335 1266050305 1363438790 1499782669 1725413690 1772470427 2010018010 2142546670 2532100610 2726877580 2785310671 2999565338 3450827380 3544940854 4020036020 4285093340 5064201220 5570621342 5999130676 7089881708 7498913345 8862352135 11141242684 13926553355 14997826690 17724704270 19497174697 27853106710 29995653380 35449408540 38994349394 55706213420 77988698788 97485873485 194971746970 389943493940
• Sum of all divisors σ(n): 1121272685568
• Sum of proper divisors (its aliquot sum) s(n): 731329191628
• 389943493940 is an abundant number, because the sum of its proper divisors (731329191628) is greater than itself. Its abundance is 341385697688

Bases of 389943493940

• Binary: 101101011001010011100011000010100110100₂
• Hexadecimal: 0x5ACA718534
• Base-36: 4Z4YADKK

Squares and roots of 389943493940

• 389943493940 squared (389943493940²) is 152055928466134816723600
• 389943493940 cubed (389943493940³) is 59293220020375315400282127254984000
• The square root of 389943493940 is 624454.5571456743
• The cube root of 389943493940 is 7305.7907011335

Scales and comparisons

• 389,943,493,940 seconds is equal to 12,398 years, 51 weeks, 5 days, 21 hours, 12 minutes, 20 seconds.
• To count from 1 to 389,943,493,940 would take you about twenty-four thousand, seven hundred ninety-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 389943493940 cubic inches would be around 608.8 feet tall.

Recreational maths with 389943493940

• 389943493940 backwards is 049394349983
• 389943493940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 389943493940's digits is 65
• More coming soon!