155221631424

Names of 155221631424

• Cardinal: 155221631424 can be written as One hundred fifty-five billion, two hundred twenty-one million, six hundred thirty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.55221631424 × 10¹¹

Factors of 155221631424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1720

Divisors of 155221631424

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 151 192 216 288 302 432 453 576 604 653 864 906 911 1208 1306 1359 1728 1812 1822 1959 2416 2612 2718 2733 3624 3644 3918 4077 4832 5224 5436 5466 5877 7248 7288 7836 8154 8199 9664 10448 10872 10932 11754 14496 14576 15672 16308 16398 17631 20896 21744 21864 23508 24597 28992 29152 31344 32616 32796 35262 41792 43488 43728 47016 49194 58304 62688 65232 65592 70524 86976 87456 94032 98388 98603 125376 130464 131184 137561 141048 174912 188064 196776 197206 260928 262368 275122 282096 295809 376128 393552 394412 412683 524736 550244 564192 591618 594883 787104 788824 825366 887427 1100488 1128384 1183236 1189766 1238049 1574208 1577648 1650732 1774854 1784649 2200976 2366472 2379532 2476098 2662281 3155296 3301464 3549708 3569298 3714147 4401952 4732944 4759064 4952196 5324562 5353947 6310592 6602928 7099416 7138596 7428294 8803904 9465888 9518128 9904392 10649124 10707894 13205856 14198832 14277192 14856588 16061841 18931776 19036256 19808784 21298248 21415788 26411712 28397664 28554384 29713176 32123682 38072512 39617568 42596496 42831576 56795328 57108768 59426352 64247364 79235136 85192992 85663152 89827333 114217536 118852704 128494728 170385984 171326304 179654666 237705408 256989456 269481999 342652608 359309332 513978912 538963998 718618664 808445997 1027957824 1077927996 1437237328 1616891994 2155855992 2425337991 2874474656 3233783988 4311711984 4850675982 5748949312 6467567976 8623423968 9701351964 12935135952 17246847936 19402703928 25870271904 38805407856 51740543808 77610815712 155221631424
• Sum of all divisors σ(n): 460553287680
• Sum of proper divisors (its aliquot sum) s(n): 305331656256
• 155221631424 is an abundant number, because the sum of its proper divisors (305331656256) is greater than itself. Its abundance is 150110024832

Bases of 155221631424

• Binary: 10010000100011111011100010000111000000₂
• Hexadecimal: 0x2423EE21C0
• Base-36: 1ZB2Y9C0

Squares and roots of 155221631424

• 155221631424 squared (155221631424²) is 24093754861928104267776
• 155221631424 cubed (155221631424³) is 3739871936798412210639767672193024
• The square root of 155221631424 is 393981.7653445397
• The cube root of 155221631424 is 5374.2444243737

Scales and comparisons

• 155,221,631,424 seconds is equal to 4,935 years, 29 weeks, 3 days, 15 hours, 50 minutes, 24 seconds.
• To count from 1 to 155,221,631,424 would take you about nine thousand, eight hundred seventy-one 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 155221631424 cubic inches would be around 447.9 feet tall.

Recreational maths with 155221631424

• 155221631424 backwards is 424136122551
• 155221631424 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155221631424's digits is 36
• More coming soon!