145378917320

Names of 145378917320

• Cardinal: 145378917320 can be written as One hundred forty-five billion, three hundred seventy-eight million, nine hundred seventeen thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.4537891732 × 10¹¹

Factors of 145378917320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 80

Divisors of 145378917320

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 40 49 52 53 56 65 70 91 98 104 106 130 140 169 182 196 212 245 260 265 280 338 343 364 371 392 424 455 490 520 530 637 676 686 689 728 742 845 910 980 1060 1183 1274 1352 1372 1378 1484 1690 1715 1820 1855 1960 2120 2197 2366 2401 2548 2597 2744 2756 2968 3185 3380 3430 3445 3640 3710 4394 4459 4732 4802 4823 5096 5194 5512 5915 6370 6760 6860 6890 7420 8281 8788 8918 8957 9464 9604 9646 10388 10985 11830 12005 12740 12985 13720 13780 14840 15379 16562 17576 17836 17914 18179 19208 19292 20776 21970 22295 23660 24010 24115 25480 25970 27560 28561 30758 31213 33124 33761 35672 35828 36358 38584 41405 43940 44590 44785 47320 48020 48230 51940 57122 57967 61516 62426 62699 66248 67522 71656 72716 76895 82810 87880 89180 89570 90895 96040 96460 103880 107653 114244 115934 116441 123032 124852 125398 127253 135044 142805 145432 153790 156065 165620 168805 178360 179140 181790 192920 199927 215306 228488 231868 232882 236327 249704 250796 254506 270088 285610 289835 307580 312130 313495 331240 337610 358280 363580 399854 405769 430612 438893 463736 465764 472654 501592 509012 538265 571220 579670 582205 615160 624260 626990 636265 675220 727160 753571 799708 811538 815087 861224 877786 931528 945308 999635 1018024 1076530 1142440 1159340 1164410 1181635 1248520 1253980 1272530 1350440 1399489 1507142 1513733 1599416 1623076 1630174 1654289 1755572 1890616 1999270 2028845 2153060 2194465 2318680 2328820 2363270 2507960 2545060 2798978 3014284 3027466 3072251 3246152 3260348 3308578 3511144 3767855 3998540 4057690 4075435 4306120 4388930 4657640 4726540 5090120 5274997 5597956 5705609 6028568 6054932 6144502 6520696 6617156 6997445 7535710 7568665 7997080 8115380 8150870 8271445 8777860 9453080 9796423 10549994 10596131 11195912 11411218 12109864 12289004 13234312 13994890 15071420 15137330 15361255 16230760 16301740 16542890 17555720 19592846 21099988 21192262 21505757 22822436 24578008 26374985 27989780 28528045 30142840 30274660 30722510 32603480 33085780 39185692 39939263 42199976 42384524 43011514 45644872 48982115 52749970 52980655 55979560 57056090 60549320 61445020 66171560 68574961 74172917 78371384 79878526 84769048 86023028 97964230 105499940 105961310 107528785 114112180 122890040 137149922 148345834 159757052 172046056 195928460 199696315 210999880 211922620 215057570 228224360 274299844 279574841 296691668 319514104 342874805 370864585 391856920 399392630 423845240 430115140 519210419 548599688 559149682 593383336 685749610 741729170 798785260 860230280 1038420838 1118299364 1371499220 1397874205 1483458340 1597570520 2076841676 2236598728 2596052095 2742998440 2795748410 2966916680 3634472933 4153683352 5192104190 5591496820 7268945866 10384208380 11182993640 14537891732 18172364665 20768416760 29075783464 36344729330 72689458660 145378917320
• Sum of all divisors σ(n): 421195501260
• Sum of proper divisors (its aliquot sum) s(n): 275816583940
• 145378917320 is an abundant number, because the sum of its proper divisors (275816583940) is greater than itself. Its abundance is 130437666620

Bases of 145378917320

• Binary: 10000111011001010000100011101111001000₂
• Hexadecimal: 0x21D9423BC8
• Base-36: 1USAUQIW

Squares and roots of 145378917320

• 145378917320 squared (145378917320²) is 21135029601135395982400
• 145378917320 cubed (145378917320³) is 3072587720939215310650789775168000
• The square root of 145378917320 is 381285.8734860237
• The cube root of 145378917320 is 5258.1601573753

Scales and comparisons

• 145,378,917,320 seconds is equal to 4,622 years, 31 weeks, 1 day, 8 hours, 35 minutes, 20 seconds.
• To count from 1 to 145,378,917,320 would take you about nine thousand, two hundred forty-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 145378917320 cubic inches would be around 438.2 feet tall.

Recreational maths with 145378917320

• 145378917320 backwards is 023719873541
• The number of decimal digits it has is: 12
• The sum of 145378917320's digits is 50
• More coming soon!