8997949861640

Names of 8997949861640

• Cardinal: 8997949861640 can be written as Eight trillion, nine hundred ninety-seven billion, nine hundred forty-nine million, eight hundred sixty-one thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.99794986164 × 10¹²

Factors of 8997949861640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3073

Divisors of 8997949861640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 841 1160 1682 3037 3364 4205 6074 6728 8410 12148 15185 16820 24296 24389 30370 33640 48778 60740 88073 97556 121480 121945 176146 195112 243890 352292 440365 487780 704584 880730 975560 1761460 2554117 3522920 5108234 9223369 10216468 12770585 18446738 20432936 25541170 36893476 46116845 51082340 73786952 74069393 92233690 102164680 148138786 184467380 267477701 296277572 368934760 370346965 534955402 592555144 740693930 1069910804 1337388505 1481387860 2139821608 2674777010 2962775720 5349554020 7756853329 10699108040 15513706658 31027413316 38784266645 62054826632 77568533290 155137066580 224948746541 310274133160 449897493082 899794986164 1124743732705 1799589972328 2249487465410 4498974930820 8997949861640
• Sum of all divisors σ(n): 20975313673800
• Sum of proper divisors (its aliquot sum) s(n): 11977363812160
• 8997949861640 is an abundant number, because the sum of its proper divisors (11977363812160) is greater than itself. Its abundance is 2979413950520

Bases of 8997949861640

• Binary: 10000010111011111111100110101110111100001000₂
• Hexadecimal: 0x82EFF9AEF08
• Base-36: 36TLN0ZK8

Squares and roots of 8997949861640

• 8997949861640 squared (8997949861640²) is 80963101712587295143489600
• 8997949861640 cubed (8997949861640³) is 728501929852720099382784090266778944000
• The square root of 8997949861640 is 2999658.2908124717
• The cube root of 8997949861640 is 20799.2586810807

Scales and comparisons

• 8,997,949,861,640 seconds is equal to 286,106 years, 50 weeks, 4 days, 5 hours, 7 minutes, 20 seconds.
• To count from 1 to 8,997,949,861,640 would take you about seven hundred fifteen thousand, two hundred sixty-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 8997949861640 cubic inches would be around 1733.3 feet tall.

Recreational maths with 8997949861640

• 8997949861640 backwards is 0461689497998
• The number of decimal digits it has is: 13
• The sum of 8997949861640's digits is 80
• More coming soon!