145045420520

Names of 145045420520

• Cardinal: 145045420520 can be written as One hundred forty-five billion, forty-five million, four hundred twenty thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.4504542052 × 10¹¹

Factors of 145045420520

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 985

Divisors of 145045420520

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 17 20 22 26 28 34 35 40 44 52 55 56 65 68 70 77 85 88 91 104 110 119 130 136 140 143 154 170 182 187 220 221 238 260 280 286 308 340 364 374 385 409 440 442 455 476 520 521 572 595 616 680 715 728 748 770 818 884 910 935 952 1001 1042 1105 1144 1190 1309 1430 1496 1540 1547 1636 1768 1820 1870 2002 2045 2084 2210 2380 2431 2605 2618 2860 2863 3080 3094 3272 3640 3647 3740 4004 4090 4168 4420 4499 4760 4862 5005 5210 5236 5317 5720 5726 5731 6188 6545 6773 6953 7294 7480 7735 8008 8180 8840 8857 8998 9724 10010 10420 10472 10634 11452 11462 12155 12376 13090 13546 13906 14315 14588 15470 16360 17017 17714 17996 18235 19448 20020 20840 21268 22495 22904 22924 24310 26180 26585 27092 27812 28630 28655 29176 30940 31493 33865 34034 34765 35428 35992 36470 37219 40040 40117 42536 44285 44990 45848 47411 48620 48671 52360 53170 54184 55624 57260 57310 58487 61880 61999 62986 67730 68068 69530 70856 72940 74438 74503 76483 80234 85085 88570 89980 90389 94822 97240 97342 97427 106340 114520 114620 115141 116974 123998 125972 135460 136136 139060 145880 148876 149006 152966 157465 160468 170170 177140 179960 180778 186095 189644 194684 194854 200585 212680 213089 229240 230282 233948 237055 243355 247996 251944 270920 278120 292435 297752 298012 305932 309995 314930 320936 340340 354280 361556 372190 372515 379288 382415 389368 389708 401170 409409 426178 451945 460564 467896 474110 486710 487135 495992 521521 535381 575705 584870 596024 611864 619990 629860 632723 680680 681989 723112 744380 745030 764830 779416 802340 805987 818818 852356 903890 921128 948220 973420 974270 994279 1043042 1065445 1070762 1151410 1169740 1239980 1259720 1265446 1266551 1363978 1488760 1490060 1491623 1529660 1604680 1611974 1637636 1704712 1807780 1896440 1946840 1948540 1988558 2047045 2086084 2130890 2141524 2302820 2339480 2343979 2479960 2530892 2533102 2607605 2676905 2727956 2770157 2980120 2983246 3059320 3163615 3223948 3275272 3409945 3615560 3622513 3897080 3977116 4029935 4094090 4172168 4261780 4283048 4605640 4687958 4971395 5061784 5066204 5215210 5353810 5455912 5540314 5966492 6327230 6332755 6447896 6819890 6959953 7245026 7458115 7954232 8059870 8188180 8523560 8865857 9375916 9942790 10132408 10430420 10707620 11080628 11719895 11932984 12654460 12665510 13639780 13850785 13919906 14490052 14916230 16119740 16376360 16407853 17731714 18112565 18751832 19391099 19885580 20860840 21415240 22161256 23439790 25308920 25331020 25357591 27279560 27701570 27839812 28980104 29832460 30471727 32239480 32815706 34799765 35463428 36225130 38782198 39771160 39847643 44329285 46879580 47092669 50662040 50715182 55403140 55679624 59664920 60943454 65631412 69599530 70926856 72450260 77564396 79695286 82039265 88658570 93759160 94185338 96955495 101430364 110806280 121886908 126787955 131262824 139199060 144900520 152358635 155128792 159390572 164078530 177317140 188370676 193910990 199238215 202860728 213302089 235463345 243773816 253575910 278398120 278933501 304717270 318781144 328157060 329648683 354634280 376741352 387821980 398476430 426604178 470926690 507151820 518019359 557867002 609434540 656314120 659297366 775643960 796952860 853208356 941853380 1014303640 1036038718 1066510445 1115734004 1218869080 1318594732 1394667505 1593905720 1648243415 1706416712 1883706760 2072077436 2133020890 2231468008 2590096795 2637189464 2789335010 3296486830 3626135513 4144154872 4266041780 5180193590 5578670020 6592973660 7252271026 8532083560 10360387180 11157340040 13185947320 14504542052 18130677565 20720774360 29009084104 36261355130 72522710260 145045420520
• Sum of all divisors σ(n): 465981465600
• Sum of proper divisors (its aliquot sum) s(n): 320936045080
• 145045420520 is an abundant number, because the sum of its proper divisors (320936045080) is greater than itself. Its abundance is 175890624560

Bases of 145045420520

• Binary: 10000111000101011000010111100111101000₂
• Hexadecimal: 0x21C56179E8
• Base-36: 1UMSAQQW

Squares and roots of 145045420520

• 145045420520 squared (145045420520²) is 21038174013823637070400
• 145045420520 cubed (145045420520³) is 3051490796807985731992028844608000
• The square root of 145045420520 is 380848.2906880375
• The cube root of 145045420520 is 5254.1363685427

Scales and comparisons

• 145,045,420,520 seconds is equal to 4,611 years, 51 weeks, 5 days, 10 hours, 35 minutes, 20 seconds.
• To count from 1 to 145,045,420,520 would take you about nine thousand, two hundred twenty-three 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 145045420520 cubic inches would be around 437.8 feet tall.

Recreational maths with 145045420520

• 145045420520 backwards is 025024540541
• The number of decimal digits it has is: 12
• The sum of 145045420520's digits is 32
• More coming soon!