1643199441828774921

Names of 1643199441828774921

• Cardinal: 1643199441828774921 can be written as One quintillion, six hundred forty-three quadrillion, one hundred ninety-nine trillion, four hundred forty-one billion, eight hundred twenty-eight million, seven hundred seventy-four thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.643199441828774921 × 10¹⁸

Factors of 1643199441828774921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 521746

Divisors of 1643199441828774921

• Number of divisors d(n): 189
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 81 91 117 147 169 189 243 273 351 441 507 567 637 729 819 1053 1183 1323 1521 1701 1911 2457 3159 3549 3969 4563 5103 5733 7371 8281 9477 10647 11907 13689 17199 22113 24843 31941 35721 41067 51597 66339 74529 95823 123201 154791 223587 287469 464373 521723 670761 862407 1565169 2012283 3652061 4695507 6036849 6782399 10956183 14086521 20347197 25564427 32868549 42259563 47476793 61041591 76693281 88171187 98605647 126778689 142430379 183124773 230079843 264513561 295816941 332337551 380336067 427291137 549374319 617198309 690239529 793540683 887450823 997012653 1281873411 1648122957 1851594927 2070718587 2380622049 2662352469 2991037959 3845620233 4320388163 4944368871 5554784781 6212155761 7141866147 8973113877 11536860699 12961164489 16664354343 18636467283 21425598441 26919341631 34610582097 38883493467 49993063029 64276795323 80758024893 116650480401 149979189087 242274074679 272194888729 349951441203 449937567261 816584666187 1049854323609 1905364221103 2449753998561 3149562970827 3538533553477 5716092663309 7349261995683 10615600660431 13337549547721 17148277989927 22047785987049 24769734874339 31846801981293 40012648643163 46000936195201 51444833969781 66143357961147 74309204623017 95540405943879 120037945929489 138002808585603 154334501909343 173388144120373 198430073883441 222927613869051 286621217831637 322006553366407 360113837788467 414008425756809 463003505728029 520164432361119 668782841607153 859863653494911 966019660099221 1080341513365401 1242025277270427 1389010517184087 1560493297083357 2006348524821459 2254045873564849 2579590960484733 2898058980297663 3241024540096203 3726075831811281 4681479891250071 6019045574464377 6762137620694547 8694176940892989 9723073620288609 11178227495433843 14044439673750213 18057136723393131 20286412862083641 26082530822678967 33534682486301529 42133319021250639 60859238586250923 78247592468036901 126399957063751917 182577715758752769 234742777404110703 547733147276258307 1643199441828774921
• Sum of all divisors σ(n): 3103322466793720599
• Sum of proper divisors (its aliquot sum) s(n): 1460123024964945678
• 1643199441828774921 is a deficient number, because the sum of its proper divisors (1460123024964945678) is less than itself. Its deficiency is 183076416863829243

Bases of 1643199441828774921

• Binary: 1011011001101110100010010111110110001010100110000010000001001₂
• Hexadecimal: 0x16CDD12FB1530409
• Base-36: CHFLL6EGIRK9

Squares and roots of 1643199441828774921

• 1643199441828774921 squared (1643199441828774921²) is 2700104405626397455490906191678556241
• 1643199441828774921 cubed (1643199441828774921³) is 4436810052204712369171248941438719262125067587028831961
• 1643199441828774921 is a perfect square number. Its square root is 1281873411
• The cube root of 1643199441828774921 is 1180040.0833431685

Scales and comparisons

• 1,643,199,441,828,774,921 seconds is equal to 52,248,659,500 years, 29 weeks, 9 hours, 55 minutes, 21 seconds.
• To count from 1 to 1,643,199,441,828,774,921 would take you about one hundred eighty-two billion, eight hundred seventy million, three hundred eight thousand, two hundred fifty-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 1643199441828774921 cubic inches would be around 98336.7 feet tall.

Recreational maths with 1643199441828774921

• 1643199441828774921 backwards is 1294778281449913461
• The number of decimal digits it has is: 19
• The sum of 1643199441828774921's digits is 90
• More coming soon!