389742928740

Names of 389742928740

• Cardinal: 389742928740 can be written as Three hundred eighty-nine billion, seven hundred forty-two million, nine hundred twenty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 3.8974292874 × 10¹¹

Factors of 389742928740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9576

Divisors of 389742928740

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 31 33 36 44 45 55 60 61 62 66 90 93 99 110 121 122 124 132 155 165 180 183 186 198 220 242 244 279 305 310 330 341 363 366 372 396 465 484 495 549 558 605 610 620 660 671 682 726 732 915 930 990 1023 1089 1098 1116 1210 1220 1342 1364 1395 1452 1705 1815 1830 1860 1891 1980 2013 2046 2178 2196 2420 2684 2745 2790 3069 3355 3410 3630 3660 3751 3782 4026 4092 4356 5115 5445 5490 5580 5673 6039 6138 6710 6820 7260 7381 7502 7564 8052 9455 9463 10065 10230 10890 10980 11253 11346 12078 12276 13420 14762 15004 15345 17019 18755 18910 18926 20130 20460 20801 21780 22143 22506 22692 24156 28365 28389 29524 30195 30690 33759 34038 36905 37510 37820 37852 40260 41602 44286 45012 47315 56265 56730 56778 60390 61380 62403 66429 67518 68076 73810 75020 83204 85095 85167 88572 94630 104005 104093 110715 112530 113460 113556 120780 124806 132858 135036 141945 147620 168795 170190 170334 187209 189260 208010 208186 221430 225060 228811 249612 265716 283890 293353 312015 312279 332145 337590 340380 340668 374418 416020 416372 425835 442860 457622 520465 567780 577243 586706 624030 624558 664290 675180 686433 748836 851670 880059 915244 936045 936837 1040930 1144055 1145023 1154486 1173412 1248060 1249116 1328580 1372866 1466765 1561395 1703340 1731729 1760118 1872090 1873674 2059299 2081860 2288110 2290046 2308972 2640177 2745732 2886215 2933530 3122790 3226883 3432165 3435069 3463458 3520236 3744180 3747348 4118598 4400295 4576220 4580092 4684185 5195187 5280354 5725115 5772430 5867060 6245580 6349673 6453766 6864330 6870138 6926916 8237196 8658645 8800590 9368370 9680649 10296495 10305207 10390374 10560708 11450230 11544860 12699346 12907532 13200885 13728660 13740276 16134415 17175345 17317290 17601180 17894533 18736740 19049019 19361298 20592990 20610414 20780748 22900460 25398692 25975935 26401770 29041947 31748365 32268830 34350690 34634580 35495713 35789066 38098038 38722596 41185980 41220828 48403245 51526035 51951870 52803540 53683599 57147057 58083894 63496730 64537660 68701380 69846403 70991426 71578132 76196076 89472665 95245095 96806490 103052070 103903740 106487139 107367198 114294114 116167788 126993460 139692806 141982852 145209735 161050797 177478565 178945330 190490190 193612980 196839863 206104140 209539209 212974278 214734396 228588228 268417995 279385612 285735285 290419470 319461417 322101594 349232015 354957130 357890660 380980380 393679726 419078418 425948556 532435695 536835990 571470570 580838940 590519589 628617627 638922834 644203188 698464030 709914260 787359452 805253985 838156836 984199315 1047696045 1064871390 1073671980 1142941140 1181039178 1257235254 1277845668 1396928060 1597307085 1610507970 1771558767 1968398630 2095392090 2129742780 2165238493 2362078356 2514470508 2952597945 3143088135 3194614170 3221015940 3543117534 3936797260 4190784180 4330476986 5905195890 6286176270 6389228340 6495715479 7086235068 8660953972 8857793835 10826192465 11810391780 12572352540 12991430958 17715587670 19487146437 21652384930 25982861916 32478577395 35431175340 38974292874 43304769860 64957154790 77948585748 97435732185 129914309580 194871464370 389742928740
• Sum of all divisors σ(n): 1363517395968
• Sum of proper divisors (its aliquot sum) s(n): 973774467228
• 389742928740 is an abundant number, because the sum of its proper divisors (973774467228) is greater than itself. Its abundance is 584031538488

Bases of 389742928740

• Binary: 101101010111110011111010010001101100100₂
• Hexadecimal: 0x5ABE7D2364
• Base-36: 4Z1MVKH0

Squares and roots of 389742928740

• 389742928740 squared (389742928740²) is 151899550502832717987600
• 389742928740 cubed (389742928740³) is 59201775687263563174781703003624000
• The square root of 389742928740 is 624293.9441801433
• The cube root of 389742928740 is 7304.5379224715

Scales and comparisons

• 389,742,928,740 seconds is equal to 12,392 years, 32 weeks, 1 day, 12 hours, 39 minutes.
• To count from 1 to 389,742,928,740 would take you about twenty-four thousand, seven hundred eighty-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 389742928740 cubic inches would be around 608.7 feet tall.

Recreational maths with 389742928740

• 389742928740 backwards is 047829247983
• The number of decimal digits it has is: 12
• The sum of 389742928740's digits is 63
• More coming soon!