990890941342531250

Names of 990890941342531250

• Cardinal: 990890941342531250 can be written as Nine hundred ninety quadrillion, eight hundred ninety trillion, nine hundred forty-one billion, three hundred forty-two million, five hundred thirty-one thousand, two hundred fifty.

Scientific notation

• Scientific notation: 9.9089094134253125 × 10¹⁷

Factors of 990890941342531250

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 16431

Divisors of 990890941342531250

• Number of divisors d(n): 294
• Complete list of divisors:
  1 2 5 7 10 14 25 35 49 50 70 98 125 175 245 250 343 350 490 625 686 875 1225 1250 1715 1750 2401 2450 3125 3430 4375 4802 6125 6250 8575 8750 12005 12250 15625 16417 16807 17150 21875 24010 30625 31250 32834 33614 42875 43750 60025 61250 82085 84035 85750 109375 114919 117649 120050 153125 164170 168070 214375 218750 229838 235298 300125 306250 410425 420175 428750 574595 588245 600250 765625 804433 820850 840350 1071875 1149190 1176490 1500625 1531250 1608866 2052125 2100875 2143750 2872975 2941225 3001250 4022165 4104250 4201750 5359375 5631031 5745950 5882450 7503125 8044330 10260625 10504375 10718750 11262062 14364875 14706125 15006250 20110825 20521250 21008750 28155155 28729750 29412250 37515625 39417217 40221650 51303125 52521875 56310310 71824375 73530625 75031250 78834434 100554125 102606250 105043750 140775775 143648750 147061250 197086085 201108250 256515625 262609375 269517889 275920519 281551550 359121875 367653125 394172170 502770625 513031250 525218750 539035778 551841038 703878875 718243750 735306250 985430425 1005541250 1347589445 1379602595 1407757750 1795609375 1838265625 1886625223 1931443633 1970860850 2513853125 2695178890 2759205190 3519394375 3591218750 3676531250 3773250446 3862887266 4927152125 5027706250 6737947225 6898012975 7038788750 9433126115 9657218165 9854304250 12569265625 13206376561 13475894450 13796025950 17596971875 18866252230 19314436330 24635760625 25138531250 26412753122 33689736125 34490064875 35193943750 47165630575 48286090825 49271521250 66031882805 67379472250 68980129750 87984859375 92444635927 94331261150 96572181650 123178803125 132063765610 168448680625 172450324375 175969718750 184889271854 235828152875 241430454125 246357606250 330159414025 336897361250 344900648750 462223179635 471656305750 482860908250 615894015625 647112451489 660318828050 842243403125 862251621875 924446359270 1179140764375 1207152270625 1231788031250 1294224902978 1650797070125 1684486806250 1724503243750 2311115898175 2358281528750 2414304541250 3235562257445 3301594140250 4211217015625 4311258109375 4529787160423 4622231796350 5895703821875 6035761353125 6471124514890 8253985350625 8422434031250 8622516218750 9059574320846 11555579490875 11791407643750 12071522706250 16177811287225 16507970701250 22648935802115 23111158981750 29478519109375 30178806765625 31708510122961 32355622574450 41269926753125 45297871604230 57777897454375 58957038218750 60357613531250 63417020245922 80889056436125 82539853506250 113244679010575 115555794908750 158542550614805 161778112872250 206349633765625 226489358021150 288889487271875 317085101229610 404445282180625 412699267531250 566223395052875 577778974543750 792712753074025 808890564361250 1132446790105750 1444447436359375 1585425506148050 2022226410903125 2831116975264375 2888894872718750 3963563765370125 4044452821806250 5662233950528750 7927127530740250 10111132054515625 14155584876321875 19817818826850625 20222264109031250 28311169752643750 39635637653701250 70777924381609375 99089094134253125 141555848763218750 198178188268506250 495445470671265625 990890941342531250
• Sum of all divisors σ(n): 2167675595735050107
• Sum of proper divisors (its aliquot sum) s(n): 1176784654392518857
• 990890941342531250 is an abundant number, because the sum of its proper divisors (1176784654392518857) is greater than itself. Its abundance is 185893713049987607

Bases of 990890941342531250

• Binary: 110111000000010110100000111110101001110111111011111010110010₂
• Hexadecimal: 0xDC05A0FA9DFBEB2
• Base-36: 7J0PIU7XE8C2

Squares and roots of 990890941342531250

• 990890941342531250 squared (990890941342531250²) is 981864857634687706386140157226562500
• 990890941342531250 cubed (990890941342531250³) is 972920993052786132638775753180194036550323486328125000
• The square root of 990890941342531250 is 995435051.2929164733
• The cube root of 990890941342531250 is 996954.3807343139

Scales and comparisons

• 990,890,941,342,531,250 seconds is equal to 31,507,266,907 years, 39 weeks, 6 days, 10 hours, 40 minutes, 50 seconds.
• To count from 1 to 990,890,941,342,531,250 would take you about ninety-four billion, five hundred twenty-one million, eight hundred thousand, seven hundred twenty-three 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 990890941342531250 cubic inches would be around 83079.5 feet tall.

Recreational maths with 990890941342531250

• 990890941342531250 backwards is 052135243149098099
• The number of decimal digits it has is: 18
• The sum of 990890941342531250's digits is 74
• More coming soon!