1990730478900

Names of 1990730478900

• Cardinal: 1990730478900 can be written as One trillion, nine hundred ninety billion, seven hundred thirty million, four hundred seventy-eight thousand, nine hundred.

Scientific notation

• Scientific notation: 1.9907304789 × 10¹²

Factors of 1990730478900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10516914

Divisors of 1990730478900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 631 1262 1893 2524 3155 3786 6310 7572 9465 12620 15775 18930 31550 37860 47325 63100 94650 189300 10516273 21032546 31548819 42065092 52581365 63097638 105162730 126195276 157744095 210325460 262906825 315488190 525813650 630976380 788720475 1051627300 1577440950 3154881900 6635768263 13271536526 19907304789 26543073052 33178841315 39814609578 66357682630 79629219156 99536523945 132715365260 165894206575 199073047890 331788413150 398146095780 497682619725 663576826300 995365239450 1990730478900
• Sum of all divisors σ(n): 5768975525824
• Sum of proper divisors (its aliquot sum) s(n): 3778245046924
• 1990730478900 is an abundant number, because the sum of its proper divisors (3778245046924) is greater than itself. Its abundance is 1787514568024

Bases of 1990730478900

• Binary: 11100111110000000110010000111010100110100₂
• Hexadecimal: 0x1CF80C87534
• Base-36: PEJ1J0AC

Squares and roots of 1990730478900

• 1990730478900 squared (1990730478900²) is 3963007839621423345210000
• 1990730478900 cubed (1990730478900³) is 7889280494454010490709543321069000000
• The square root of 1990730478900 is 1410932.4855924185
• The cube root of 1990730478900 is 12579.7155751615

Scales and comparisons

• 1,990,730,478,900 seconds is equal to 63,299 years, 3 weeks, 5 days, 35 minutes.
• To count from 1 to 1,990,730,478,900 would take you about one hundred fifty-eight thousand, two hundred forty-seven 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 1990730478900 cubic inches would be around 1048.3 feet tall.

Recreational maths with 1990730478900

• 1990730478900 backwards is 0098740370991
• The number of decimal digits it has is: 13
• The sum of 1990730478900's digits is 57
• More coming soon!