155400315240

Names of 155400315240

• Cardinal: 155400315240 can be written as One hundred fifty-five billion, four hundred million, three hundred fifteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.5540031524 × 10¹¹

Factors of 155400315240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 63616

Divisors of 155400315240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 19 20 24 29 30 37 38 40 57 58 60 74 76 87 95 111 114 116 120 145 148 152 174 185 190 222 228 232 285 290 296 348 370 380 435 444 456 551 555 570 580 696 703 740 760 870 888 1073 1102 1110 1140 1160 1406 1480 1653 1740 2109 2146 2204 2220 2280 2755 2812 3219 3306 3480 3515 4218 4292 4408 4440 5365 5510 5624 6438 6612 7030 8265 8436 8584 10545 10730 11020 12876 13224 14060 16095 16530 16872 20387 21090 21460 22040 25752 28120 32190 33060 40774 42180 42920 61161 63521 64380 66120 81548 84360 101935 122322 127042 128760 163096 190563 203870 244644 254084 305805 317605 381126 407740 489288 508168 611610 635210 762252 815480 952815 1206899 1223220 1270420 1524504 1842109 1905630 2350277 2413798 2446440 2540840 3620697 3684218 3811260 4700554 4827596 5526327 6034495 7050831 7241394 7368436 7622520 9210545 9401108 9655192 11052654 11751385 12068990 14101662 14482788 14736872 18103485 18421090 18802216 22105308 23502770 24137980 27631635 28203324 28965576 35000071 35254155 36206970 36842180 44210616 44655263 47005540 48275960 55263270 56406648 68158033 70000142 70508310 72413940 73684360 89310526 94011080 105000213 110526540 133965789 136316066 140000284 141016620 144827880 175000355 178621052 204474099 210000426 221053080 223276315 267931578 272632132 280000568 282033240 340790165 350000710 357242104 408948198 420000852 446552630 525001065 535863156 545264264 669828945 681580330 700001420 817896396 840001704 893105260 1022370495 1050002130 1071726312 1295002627 1339657890 1363160660 1400002840 1635792792 1786210520 2044740990 2100004260 2590005254 2679315780 2726321320 3885007881 4089481980 4200008520 5180010508 5358631560 6475013135 7770015762 8178963960 10360021016 12950026270 15540031524 19425039405 25900052540 31080063048 38850078810 51800105080 77700157620 155400315240
• Sum of all divisors σ(n): 521388576000
• Sum of proper divisors (its aliquot sum) s(n): 365988260760
• 155400315240 is an abundant number, because the sum of its proper divisors (365988260760) is greater than itself. Its abundance is 210587945520

Bases of 155400315240

• Binary: 10010000101110100101001010000101101000₂
• Hexadecimal: 0x242E94A168
• Base-36: 1ZE1C2NC

Squares and roots of 155400315240

• 155400315240 squared (155400315240²) is 24149257976691376257600
• 155400315240 cubed (155400315240³) is 3752802302389924442620491445824000
• The square root of 155400315240 is 394208.4667279483
• The cube root of 155400315240 is 5376.3058257565

Scales and comparisons

• 155,400,315,240 seconds is equal to 4,941 years, 12 weeks, 6 days, 18 hours, 14 minutes.
• To count from 1 to 155,400,315,240 would take you about nine thousand, eight hundred eighty-two 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 155400315240 cubic inches would be around 448 feet tall.

Recreational maths with 155400315240

• 155400315240 backwards is 042513004551
• 155400315240 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155400315240's digits is 30
• More coming soon!