15345385020

Names of 15345385020

• Cardinal: 15345385020 can be written as Fifteen billion, three hundred forty-five million, three hundred eighty-five thousand and twenty.

Scientific notation

• Scientific notation: 1.534538502 × 10¹⁰

Factors of 15345385020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5100

Divisors of 15345385020

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 31 35 36 42 45 60 62 63 70 79 84 90 93 105 124 126 140 155 158 180 186 210 217 237 252 279 310 315 316 372 395 420 434 465 474 553 558 620 630 651 711 790 868 930 948 1085 1106 1116 1185 1260 1302 1395 1422 1580 1659 1860 1953 2170 2212 2370 2449 2604 2765 2790 2844 3255 3318 3555 3906 4340 4740 4898 4973 4977 5530 5580 6510 6636 7110 7347 7812 8295 9765 9796 9946 9954 11060 12245 13020 14220 14694 14919 16590 17143 19530 19892 19908 22041 24490 24865 24885 29388 29838 33180 34286 34811 36735 39060 44082 44757 48980 49730 49770 51429 59676 68572 69622 73470 74595 85715 88164 89514 99460 99540 102858 104433 110205 139244 146940 149190 154163 154287 171430 174055 179028 205716 208866 220410 223785 257145 298380 308326 308574 313299 342860 348110 392867 417732 440820 447570 462489 514290 522165 616652 617148 626598 696220 770815 771435 785734 895140 924978 1028580 1044330 1079141 1178601 1253196 1387467 1541630 1542870 1566495 1571468 1849956 1964335 2088660 2158282 2312445 2357202 2750069 2774934 3083260 3085740 3132990 3237423 3535803 3928670 4316564 4624890 4714404 5395705 5500138 5549868 5893005 6265980 6474846 6937335 7071606 7857340 8250207 9249780 9712269 10791410 11000276 11786010 12178877 12949692 13750345 13874670 14143212 16187115 16500414 17679015 19424538 21582820 23572020 24357754 24750621 27500690 27749340 32374230 33000828 35358030 36536631 38849076 41251035 48561345 48715508 49501242 55001380 60894385 64748460 70716060 73073262 82502070 85252139 97122690 99002484 109609893 121788770 123753105 146146524 165004140 170504278 182683155 194245380 219219786 243577540 247506210 255756417 341008556 365366310 426260695 438439572 495012420 511512834 548049465 730732620 767269251 852521390 1023025668 1096098930 1278782085 1534538502 1705042780 2192197860 2557564170 3069077004 3836346255 5115128340 7672692510 15345385020
• Sum of all divisors σ(n): 55619665920
• Sum of proper divisors (its aliquot sum) s(n): 40274280900
• 15345385020 is an abundant number, because the sum of its proper divisors (40274280900) is greater than itself. Its abundance is 24928895880

Bases of 15345385020

• Binary: 1110010010101001111111111000111100₂
• Hexadecimal: 0x392A7FE3C
• Base-36: 71S8UV0

Squares and roots of 15345385020

• 15345385020 squared (15345385020²) is 235480841412040400400
• 15345385020 cubed (15345385020³) is 3613544176301320407932962008000
• The square root of 15345385020 is 123876.4909900179
• The cube root of 15345385020 is 2484.9973493515

Scales and comparisons

• 15,345,385,020 seconds is equal to 487 years, 48 weeks, 4 days, 14 hours, 57 minutes.
• To count from 1 to 15,345,385,020 would take you about nine hundred seventy-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 15345385020 cubic inches would be around 207.1 feet tall.

Recreational maths with 15345385020

• 15345385020 backwards is 02058354351
• 15345385020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 15345385020's digits is 36
• More coming soon!