90125018900

Names of 90125018900

• Cardinal: 90125018900 can be written as Ninety billion, one hundred twenty-five million, eighteen thousand, nine hundred.

Scientific notation

• Scientific notation: 9.01250189 × 10¹⁰

Factors of 90125018900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14925

Divisors of 90125018900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 14 17 20 25 28 34 35 49 50 68 70 73 85 98 100 119 140 146 170 175 196 238 245 292 340 350 365 425 476 490 511 595 700 730 833 850 980 1022 1190 1225 1241 1460 1666 1700 1825 2044 2380 2450 2482 2555 2975 3332 3577 3650 4165 4900 4964 5110 5950 6205 7154 7300 8330 8687 10220 11900 12410 12775 14308 14821 16660 17374 17885 20825 24820 25550 29642 31025 34748 35770 41650 43435 51100 59284 60809 62050 71540 74105 83300 86870 89425 103747 121618 124100 148210 173740 178850 207494 217175 243236 251957 296420 304045 357700 370525 414988 434350 503914 518735 608090 726229 741050 868700 1007828 1037470 1081933 1216180 1259785 1452458 1482100 1520225 1763699 2074940 2163866 2519570 2593675 2904916 3040450 3527398 3631145 4327732 5039140 5187350 5409665 6080900 6298925 7054796 7262290 7573531 8818495 10374700 10819330 12345893 12597850 14524580 15147062 17636990 18155725 18392861 21638660 24691786 25195700 27048325 30294124 35273980 36311450 36785722 37867655 44092475 49383572 53014717 54096650 61729465 72622900 73571444 75735310 88184950 91964305 106029434 108193300 123458930 128750027 151470620 176369900 183928610 189338275 212058868 246917860 257500054 265073585 308647325 367857220 378676550 459821525 515000108 530147170 617294650 643750135 757353100 901250189 919643050 1060294340 1234589300 1287500270 1325367925 1802500378 1839286100 2575000540 2650735850 3218750675 3605000756 4506250945 5301471700 6437501350 9012501890 12875002700 18025003780 22531254725 45062509450 90125018900
• Sum of all divisors σ(n): 244199979576
• Sum of proper divisors (its aliquot sum) s(n): 154074960676
• 90125018900 is an abundant number, because the sum of its proper divisors (154074960676) is greater than itself. Its abundance is 63949941776

Bases of 90125018900

• Binary: 1010011111011110111101010011100010100₂
• Hexadecimal: 0x14FBDEA714
• Base-36: 15EI3XN8

Squares and roots of 90125018900

• 90125018900 squared (90125018900²) is 8122519031725357210000
• 90125018900 cubed (90125018900³) is 732042181249857518160501269000000
• The square root of 90125018900 is 300208.2925237077
• The cube root of 90125018900 is 4483.4788246049

Scales and comparisons

• 90,125,018,900 seconds is equal to 2,865 years, 36 weeks, 1 day, 15 hours, 28 minutes, 20 seconds.
• To count from 1 to 90,125,018,900 would take you about five thousand, seven hundred thirty-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 90125018900 cubic inches would be around 373.6 feet tall.

Recreational maths with 90125018900

• 90125018900 backwards is 00981052109
• 90125018900 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90125018900's digits is 35
• More coming soon!